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1090 lines
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<div id="projectname">libsdr
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 <span id="projectnumber">0.1.0</span>
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<div id="projectbrief">A simple SDR library</div>
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<li class="navelem"><b>sdr</b></li><li class="navelem"><a class="el" href="classsdr_1_1_a_f_s_k.html">AFSK</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pro-methods">Protected Member Functions</a> |
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<div class="title">sdr::AFSK Class Reference</div> </div>
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<p>A simple (Audio) Frequency Shift Keying (<a class="el" href="classsdr_1_1_a_f_s_k.html" title="A simple (Audio) Frequency Shift Keying (AFSK) demodulator. ">AFSK</a>) demodulator.
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<a href="classsdr_1_1_a_f_s_k.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="afsk_8hh_source.html">afsk.hh</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for sdr::AFSK:</div>
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<div class="dyncontent">
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<img src="classsdr_1_1_a_f_s_k.png" usemap="#sdr::AFSK_map" alt=""/>
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<map id="sdr::AFSK_map" name="sdr::AFSK_map">
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<area href="classsdr_1_1_sink.html" alt="sdr::Sink< int16_t >" shape="rect" coords="0,56,121,80"/>
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<area href="classsdr_1_1_source.html" title="Generic source class. " alt="sdr::Source" shape="rect" coords="131,56,252,80"/>
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<area href="classsdr_1_1_sink_base.html" title="Basic interface of all Sinks. " alt="sdr::SinkBase" shape="rect" coords="0,0,121,24"/>
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</map>
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</div></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a616ece7cbdde1101fc7a08bbfacd460d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">Mode</a> { <a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460dae59f37cc16bd92549bf96a780a26b4ec">NORMAL</a>,
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<a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460da15d9ca21f40f0d9f872fadacf79cf3c1">TRANSITION</a>
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}</td></tr>
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<tr class="memdesc:a616ece7cbdde1101fc7a08bbfacd460d"><td class="mdescLeft"> </td><td class="mdescRight">Possible bit decoding modes. <a href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">More...</a><br /></td></tr>
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<tr class="separator:a616ece7cbdde1101fc7a08bbfacd460d"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a11e5bd332b38f01ac5043ae8a3581231"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a11e5bd332b38f01ac5043ae8a3581231">AFSK</a> (double baud=1200.0, double Fmark=1200.0, double Fspace=2200.0, <a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">Mode</a> mode=<a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460da15d9ca21f40f0d9f872fadacf79cf3c1">TRANSITION</a>)</td></tr>
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<tr class="memdesc:a11e5bd332b38f01ac5043ae8a3581231"><td class="mdescLeft"> </td><td class="mdescRight">Constructs a <a class="el" href="classsdr_1_1_a_f_s_k.html" title="A simple (Audio) Frequency Shift Keying (AFSK) demodulator. ">AFSK</a> node with the specified <code>baud</code> rate and <code>Fmark</code>, <code>Fspace</code> frequencies. <a href="#a11e5bd332b38f01ac5043ae8a3581231">More...</a><br /></td></tr>
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<tr class="separator:a11e5bd332b38f01ac5043ae8a3581231"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a294a9e92acbf79b5389f86396a75409b"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a294a9e92acbf79b5389f86396a75409b">~AFSK</a> ()</td></tr>
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<tr class="memdesc:a294a9e92acbf79b5389f86396a75409b"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a294a9e92acbf79b5389f86396a75409b">More...</a><br /></td></tr>
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<tr class="separator:a294a9e92acbf79b5389f86396a75409b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a80c802a15d6fa3bd9d59f2bff1ec4421"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a80c802a15d6fa3bd9d59f2bff1ec4421">config</a> (const <a class="el" href="classsdr_1_1_config.html">Config</a> &src_cfg)</td></tr>
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<tr class="memdesc:a80c802a15d6fa3bd9d59f2bff1ec4421"><td class="mdescLeft"> </td><td class="mdescRight">Configures the node. <a href="#a80c802a15d6fa3bd9d59f2bff1ec4421">More...</a><br /></td></tr>
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<tr class="separator:a80c802a15d6fa3bd9d59f2bff1ec4421"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6b077b4003e4755dcf8e5749fb46e809"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a6b077b4003e4755dcf8e5749fb46e809">process</a> (const <a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< int16_t > &buffer, bool allow_overwrite)</td></tr>
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<tr class="memdesc:a6b077b4003e4755dcf8e5749fb46e809"><td class="mdescLeft"> </td><td class="mdescRight">Processes the given buffer. <a href="#a6b077b4003e4755dcf8e5749fb46e809">More...</a><br /></td></tr>
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<tr class="separator:a6b077b4003e4755dcf8e5749fb46e809"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classsdr_1_1_sink"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classsdr_1_1_sink')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classsdr_1_1_sink.html">sdr::Sink< int16_t ></a></td></tr>
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<tr class="memitem:a1a5279c1507276612797734eed890ecb inherit pub_methods_classsdr_1_1_sink"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_sink.html#a1a5279c1507276612797734eed890ecb">Sink</a> ()</td></tr>
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<tr class="memdesc:a1a5279c1507276612797734eed890ecb inherit pub_methods_classsdr_1_1_sink"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a1a5279c1507276612797734eed890ecb">More...</a><br /></td></tr>
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<tr class="separator:a1a5279c1507276612797734eed890ecb inherit pub_methods_classsdr_1_1_sink"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad17413f3a75305f326b7c3885be9279a inherit pub_methods_classsdr_1_1_sink"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_sink.html#ad17413f3a75305f326b7c3885be9279a">~Sink</a> ()</td></tr>
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<tr class="memdesc:ad17413f3a75305f326b7c3885be9279a inherit pub_methods_classsdr_1_1_sink"><td class="mdescLeft"> </td><td class="mdescRight">Drestructor. <a href="#ad17413f3a75305f326b7c3885be9279a">More...</a><br /></td></tr>
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<tr class="separator:ad17413f3a75305f326b7c3885be9279a inherit pub_methods_classsdr_1_1_sink"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a25b0849e40053f87496ca72f8b8cd9e2 inherit pub_methods_classsdr_1_1_sink"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_sink.html#a25b0849e40053f87496ca72f8b8cd9e2">handleBuffer</a> (const <a class="el" href="classsdr_1_1_raw_buffer.html">RawBuffer</a> &buffer, bool allow_overwrite)</td></tr>
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<tr class="memdesc:a25b0849e40053f87496ca72f8b8cd9e2 inherit pub_methods_classsdr_1_1_sink"><td class="mdescLeft"> </td><td class="mdescRight">Re-implemented from <code>SinkBase</code>. <a href="#a25b0849e40053f87496ca72f8b8cd9e2">More...</a><br /></td></tr>
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<tr class="separator:a25b0849e40053f87496ca72f8b8cd9e2 inherit pub_methods_classsdr_1_1_sink"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classsdr_1_1_sink_base"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classsdr_1_1_sink_base')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classsdr_1_1_sink_base.html">sdr::SinkBase</a></td></tr>
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<tr class="memitem:aaa9fb7219aa47e809ff1d62a819a2d57 inherit pub_methods_classsdr_1_1_sink_base"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_sink_base.html#aaa9fb7219aa47e809ff1d62a819a2d57">SinkBase</a> ()</td></tr>
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<tr class="memdesc:aaa9fb7219aa47e809ff1d62a819a2d57 inherit pub_methods_classsdr_1_1_sink_base"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#aaa9fb7219aa47e809ff1d62a819a2d57">More...</a><br /></td></tr>
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<tr class="separator:aaa9fb7219aa47e809ff1d62a819a2d57 inherit pub_methods_classsdr_1_1_sink_base"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a522205396205d6d3601da6a65bdaf75a inherit pub_methods_classsdr_1_1_sink_base"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_sink_base.html#a522205396205d6d3601da6a65bdaf75a">~SinkBase</a> ()</td></tr>
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<tr class="memdesc:a522205396205d6d3601da6a65bdaf75a inherit pub_methods_classsdr_1_1_sink_base"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#a522205396205d6d3601da6a65bdaf75a">More...</a><br /></td></tr>
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<tr class="separator:a522205396205d6d3601da6a65bdaf75a inherit pub_methods_classsdr_1_1_sink_base"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_classsdr_1_1_source"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classsdr_1_1_source')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classsdr_1_1_source.html">sdr::Source</a></td></tr>
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<tr class="memitem:a660c0a4b8b8f8402568bef86f2cb2fbb inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a660c0a4b8b8f8402568bef86f2cb2fbb">Source</a> ()</td></tr>
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<tr class="memdesc:a660c0a4b8b8f8402568bef86f2cb2fbb inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#a660c0a4b8b8f8402568bef86f2cb2fbb">More...</a><br /></td></tr>
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<tr class="separator:a660c0a4b8b8f8402568bef86f2cb2fbb inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac5104a4d66641ae529419b47da4a1473 inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#ac5104a4d66641ae529419b47da4a1473">~Source</a> ()</td></tr>
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<tr class="memdesc:ac5104a4d66641ae529419b47da4a1473 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#ac5104a4d66641ae529419b47da4a1473">More...</a><br /></td></tr>
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<tr class="separator:ac5104a4d66641ae529419b47da4a1473 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a13921d5daa00574e2057c1ae1fc28054 inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a> (const <a class="el" href="classsdr_1_1_raw_buffer.html">RawBuffer</a> &buffer, bool allow_overwrite=false)</td></tr>
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<tr class="memdesc:a13921d5daa00574e2057c1ae1fc28054 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Sends the given buffer to all connected sinks. <a href="#a13921d5daa00574e2057c1ae1fc28054">More...</a><br /></td></tr>
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<tr class="separator:a13921d5daa00574e2057c1ae1fc28054 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac7df1faefb31e72e135eec3ecf539132 inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#ac7df1faefb31e72e135eec3ecf539132">connect</a> (<a class="el" href="classsdr_1_1_sink_base.html">SinkBase</a> *sink, bool direct=false)</td></tr>
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<tr class="memdesc:ac7df1faefb31e72e135eec3ecf539132 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Connect this source to a sink. <a href="#ac7df1faefb31e72e135eec3ecf539132">More...</a><br /></td></tr>
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<tr class="separator:ac7df1faefb31e72e135eec3ecf539132 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9b1d1ccef6cee5f4668ee67bc28eed7a inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a9b1d1ccef6cee5f4668ee67bc28eed7a">disconnect</a> (<a class="el" href="classsdr_1_1_sink_base.html">SinkBase</a> *sink)</td></tr>
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<tr class="memdesc:a9b1d1ccef6cee5f4668ee67bc28eed7a inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Disconnect a sink again. <a href="#a9b1d1ccef6cee5f4668ee67bc28eed7a">More...</a><br /></td></tr>
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<tr class="separator:a9b1d1ccef6cee5f4668ee67bc28eed7a inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afd4c7e3fb94a057ac40e9877167791ec inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">setConfig</a> (const <a class="el" href="classsdr_1_1_config.html">Config</a> &config)</td></tr>
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<tr class="memdesc:afd4c7e3fb94a057ac40e9877167791ec inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Stores the configuration and propergates it if the configuration has been changed. <a href="#afd4c7e3fb94a057ac40e9877167791ec">More...</a><br /></td></tr>
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<tr class="separator:afd4c7e3fb94a057ac40e9877167791ec inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aca6c3a89bb5787de5657c4d221bb1ed4 inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">virtual double </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sampleRate</a> () const </td></tr>
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<tr class="memdesc:aca6c3a89bb5787de5657c4d221bb1ed4 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Returns the configured sample rate or <code>0</code> otherwise. <a href="#aca6c3a89bb5787de5657c4d221bb1ed4">More...</a><br /></td></tr>
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<tr class="separator:aca6c3a89bb5787de5657c4d221bb1ed4 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab9362057c06f35e0a23901cc0556b976 inherit pub_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8">Config::Type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#ab9362057c06f35e0a23901cc0556b976">type</a> () const </td></tr>
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<tr class="memdesc:ab9362057c06f35e0a23901cc0556b976 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Returns the configured source type or <code>Config::Type_UNDEFINED</code> otherwise. <a href="#ab9362057c06f35e0a23901cc0556b976">More...</a><br /></td></tr>
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<tr class="separator:ab9362057c06f35e0a23901cc0556b976 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7cf977be7a508097532991155e90ae45 inherit pub_methods_classsdr_1_1_source"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
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<tr class="memitem:a7cf977be7a508097532991155e90ae45 inherit pub_methods_classsdr_1_1_source"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a7cf977be7a508097532991155e90ae45">addEOS</a> (T *instance, void(T::*function)())</td></tr>
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<tr class="memdesc:a7cf977be7a508097532991155e90ae45 inherit pub_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Adds a callback to the end-of-stream signal of the source. <a href="#a7cf977be7a508097532991155e90ae45">More...</a><br /></td></tr>
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<tr class="separator:a7cf977be7a508097532991155e90ae45 inherit pub_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a194e890c5b311521c3e25b95910c9b55"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a194e890c5b311521c3e25b95910c9b55">_getSymbol</a> ()</td></tr>
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<tr class="memdesc:a194e890c5b311521c3e25b95910c9b55"><td class="mdescLeft"> </td><td class="mdescRight">Performs the convolution filtering of the mark & space frequencies. <a href="#a194e890c5b311521c3e25b95910c9b55">More...</a><br /></td></tr>
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<tr class="separator:a194e890c5b311521c3e25b95910c9b55"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pro_methods_classsdr_1_1_source"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classsdr_1_1_source')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classsdr_1_1_source.html">sdr::Source</a></td></tr>
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<tr class="memitem:a30eeb1d98d9759ef01a36e938a1172bc inherit pro_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a30eeb1d98d9759ef01a36e938a1172bc">signalEOS</a> ()</td></tr>
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<tr class="memdesc:a30eeb1d98d9759ef01a36e938a1172bc inherit pro_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Signals the EOS. <a href="#a30eeb1d98d9759ef01a36e938a1172bc">More...</a><br /></td></tr>
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<tr class="separator:a30eeb1d98d9759ef01a36e938a1172bc inherit pro_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3fbd9bdaf370acad141440388da2100c inherit pro_methods_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a3fbd9bdaf370acad141440388da2100c">propagateConfig</a> (const <a class="el" href="classsdr_1_1_config.html">Config</a> &config)</td></tr>
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<tr class="memdesc:a3fbd9bdaf370acad141440388da2100c inherit pro_methods_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Propagates the given configuration to all connected sinks. <a href="#a3fbd9bdaf370acad141440388da2100c">More...</a><br /></td></tr>
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<tr class="separator:a3fbd9bdaf370acad141440388da2100c inherit pro_methods_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
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Protected Attributes</h2></td></tr>
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<tr class="memitem:a9c1df369c20229376edd35f585f6463f"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a9c1df369c20229376edd35f585f6463f">_sampleRate</a></td></tr>
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<tr class="memdesc:a9c1df369c20229376edd35f585f6463f"><td class="mdescLeft"> </td><td class="mdescRight">The sample rate of the input signal. <a href="#a9c1df369c20229376edd35f585f6463f">More...</a><br /></td></tr>
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<tr class="separator:a9c1df369c20229376edd35f585f6463f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a12626715e8614d26ea52da5b1029270f"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a12626715e8614d26ea52da5b1029270f">_symbolRate</a></td></tr>
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<tr class="memdesc:a12626715e8614d26ea52da5b1029270f"><td class="mdescLeft"> </td><td class="mdescRight">A multiple of the baud rate. <a href="#a12626715e8614d26ea52da5b1029270f">More...</a><br /></td></tr>
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<tr class="separator:a12626715e8614d26ea52da5b1029270f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a33613b6c306a617bf7cb73c94d38cf4b"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a33613b6c306a617bf7cb73c94d38cf4b">_baud</a></td></tr>
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<tr class="memdesc:a33613b6c306a617bf7cb73c94d38cf4b"><td class="mdescLeft"> </td><td class="mdescRight">The baud rate. <a href="#a33613b6c306a617bf7cb73c94d38cf4b">More...</a><br /></td></tr>
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<tr class="separator:a33613b6c306a617bf7cb73c94d38cf4b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a844c1e0ae214f53faa2240d4b868dced"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a844c1e0ae214f53faa2240d4b868dced">_Fmark</a></td></tr>
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<tr class="memdesc:a844c1e0ae214f53faa2240d4b868dced"><td class="mdescLeft"> </td><td class="mdescRight">Mark "tone" frequency. <a href="#a844c1e0ae214f53faa2240d4b868dced">More...</a><br /></td></tr>
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<tr class="separator:a844c1e0ae214f53faa2240d4b868dced"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0cf15fc488afacb2b89687312264ee9b"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a0cf15fc488afacb2b89687312264ee9b">_Fspace</a></td></tr>
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<tr class="memdesc:a0cf15fc488afacb2b89687312264ee9b"><td class="mdescLeft"> </td><td class="mdescRight">Space "tone" frequency. <a href="#a0cf15fc488afacb2b89687312264ee9b">More...</a><br /></td></tr>
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<tr class="separator:a0cf15fc488afacb2b89687312264ee9b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7e4a0ac6d136bdffcfc6c488127cfa14"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">Mode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a7e4a0ac6d136bdffcfc6c488127cfa14">_mode</a></td></tr>
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<tr class="memdesc:a7e4a0ac6d136bdffcfc6c488127cfa14"><td class="mdescLeft"> </td><td class="mdescRight">Bit encoding mode. <a href="#a7e4a0ac6d136bdffcfc6c488127cfa14">More...</a><br /></td></tr>
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<tr class="separator:a7e4a0ac6d136bdffcfc6c488127cfa14"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8da86a42e9f9dbf147919d672ab6e55f"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a8da86a42e9f9dbf147919d672ab6e55f">_corrLen</a></td></tr>
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<tr class="memdesc:a8da86a42e9f9dbf147919d672ab6e55f"><td class="mdescLeft"> </td><td class="mdescRight">Correlation length, the number of "symbols" per bit. <a href="#a8da86a42e9f9dbf147919d672ab6e55f">More...</a><br /></td></tr>
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<tr class="separator:a8da86a42e9f9dbf147919d672ab6e55f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af3f2917e8ef07c0fe94d556bd8c7520f"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#af3f2917e8ef07c0fe94d556bd8c7520f">_lutIdx</a></td></tr>
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<tr class="memdesc:af3f2917e8ef07c0fe94d556bd8c7520f"><td class="mdescLeft"> </td><td class="mdescRight">The current FIR filter LUT index. <a href="#af3f2917e8ef07c0fe94d556bd8c7520f">More...</a><br /></td></tr>
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<tr class="separator:af3f2917e8ef07c0fe94d556bd8c7520f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa98d68f2a9835124d33d7732bf4495fb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex< float > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#aa98d68f2a9835124d33d7732bf4495fb">_markLUT</a></td></tr>
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<tr class="memdesc:aa98d68f2a9835124d33d7732bf4495fb"><td class="mdescLeft"> </td><td class="mdescRight">Mark frequency FIR filter LUT. <a href="#aa98d68f2a9835124d33d7732bf4495fb">More...</a><br /></td></tr>
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<tr class="separator:aa98d68f2a9835124d33d7732bf4495fb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad085d0692e8383fdfdfaf1a98b607347"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex< float > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ad085d0692e8383fdfdfaf1a98b607347">_spaceLUT</a></td></tr>
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<tr class="memdesc:ad085d0692e8383fdfdfaf1a98b607347"><td class="mdescLeft"> </td><td class="mdescRight">Space frequency FIR filter LUT. <a href="#ad085d0692e8383fdfdfaf1a98b607347">More...</a><br /></td></tr>
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<tr class="separator:ad085d0692e8383fdfdfaf1a98b607347"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8d966fd9cc9c54457bd30fd6af81b287"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex< float > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a8d966fd9cc9c54457bd30fd6af81b287">_markHist</a></td></tr>
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<tr class="memdesc:a8d966fd9cc9c54457bd30fd6af81b287"><td class="mdescLeft"> </td><td class="mdescRight">FIR filter buffer. <a href="#a8d966fd9cc9c54457bd30fd6af81b287">More...</a><br /></td></tr>
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<tr class="separator:a8d966fd9cc9c54457bd30fd6af81b287"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad678cb5470df81d16d8ad247da008ef0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex< float > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ad678cb5470df81d16d8ad247da008ef0">_spaceHist</a></td></tr>
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<tr class="memdesc:ad678cb5470df81d16d8ad247da008ef0"><td class="mdescLeft"> </td><td class="mdescRight">FIR filter buffer. <a href="#ad678cb5470df81d16d8ad247da008ef0">More...</a><br /></td></tr>
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<tr class="separator:ad678cb5470df81d16d8ad247da008ef0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aed941051b226bb4caa877fe319b274c7"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#aed941051b226bb4caa877fe319b274c7">_mu</a></td></tr>
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<tr class="memdesc:aed941051b226bb4caa877fe319b274c7"><td class="mdescLeft"> </td><td class="mdescRight">Symbol subsampling counter. <a href="#aed941051b226bb4caa877fe319b274c7">More...</a><br /></td></tr>
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<tr class="separator:aed941051b226bb4caa877fe319b274c7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4a7b706751a59c970b609c4f1858f362"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a4a7b706751a59c970b609c4f1858f362">_muIncr</a></td></tr>
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<tr class="memdesc:a4a7b706751a59c970b609c4f1858f362"><td class="mdescLeft"> </td><td class="mdescRight">Symbol subsampling. <a href="#a4a7b706751a59c970b609c4f1858f362">More...</a><br /></td></tr>
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<tr class="separator:a4a7b706751a59c970b609c4f1858f362"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8d34a2c036ce8cde48cf7c925cf64a94"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< float > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a8d34a2c036ce8cde48cf7c925cf64a94">_dl</a></td></tr>
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<tr class="memdesc:a8d34a2c036ce8cde48cf7c925cf64a94"><td class="mdescLeft"> </td><td class="mdescRight">Delay line for the 8-pole interpolation filter. <a href="#a8d34a2c036ce8cde48cf7c925cf64a94">More...</a><br /></td></tr>
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<tr class="separator:a8d34a2c036ce8cde48cf7c925cf64a94"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab5177f81cd67f1a9ab15b94c39ea55fa"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ab5177f81cd67f1a9ab15b94c39ea55fa">_dl_idx</a></td></tr>
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<tr class="memdesc:ab5177f81cd67f1a9ab15b94c39ea55fa"><td class="mdescLeft"> </td><td class="mdescRight">Delay line index. <a href="#ab5177f81cd67f1a9ab15b94c39ea55fa">More...</a><br /></td></tr>
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<tr class="separator:ab5177f81cd67f1a9ab15b94c39ea55fa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6d4a06aa4715ec32d277271c103cc540"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< int16_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a6d4a06aa4715ec32d277271c103cc540">_symbols</a></td></tr>
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<tr class="memdesc:a6d4a06aa4715ec32d277271c103cc540"><td class="mdescLeft"> </td><td class="mdescRight">Ring buffer of the last <code>_corrLen</code> symbols. <a href="#a6d4a06aa4715ec32d277271c103cc540">More...</a><br /></td></tr>
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<tr class="separator:a6d4a06aa4715ec32d277271c103cc540"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab550533f9aca58b9a5e118e27c816c98"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ab550533f9aca58b9a5e118e27c816c98">_symbolIdx</a></td></tr>
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<tr class="memdesc:ab550533f9aca58b9a5e118e27c816c98"><td class="mdescLeft"> </td><td class="mdescRight">Insertion index. <a href="#ab550533f9aca58b9a5e118e27c816c98">More...</a><br /></td></tr>
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<tr class="separator:ab550533f9aca58b9a5e118e27c816c98"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a75df116cd69c3e8d8073dcbec4f1f16a"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a75df116cd69c3e8d8073dcbec4f1f16a">_symSum</a></td></tr>
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<tr class="memdesc:a75df116cd69c3e8d8073dcbec4f1f16a"><td class="mdescLeft"> </td><td class="mdescRight">Sum of the current <code>_corrLen</code> symbols. <a href="#a75df116cd69c3e8d8073dcbec4f1f16a">More...</a><br /></td></tr>
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<tr class="separator:a75df116cd69c3e8d8073dcbec4f1f16a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1b66874534ab764ff7e702a2d7464ec9"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a1b66874534ab764ff7e702a2d7464ec9">_lastSymSum</a></td></tr>
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<tr class="memdesc:a1b66874534ab764ff7e702a2d7464ec9"><td class="mdescLeft"> </td><td class="mdescRight">Sum of the last <code>_corrLen</code> symbols. <a href="#a1b66874534ab764ff7e702a2d7464ec9">More...</a><br /></td></tr>
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<tr class="separator:a1b66874534ab764ff7e702a2d7464ec9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6c90b049c1a0d66e69ab2b404ed6bdf8"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a6c90b049c1a0d66e69ab2b404ed6bdf8">_lastBits</a></td></tr>
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<tr class="memdesc:a6c90b049c1a0d66e69ab2b404ed6bdf8"><td class="mdescLeft"> </td><td class="mdescRight">Last received bits. <a href="#a6c90b049c1a0d66e69ab2b404ed6bdf8">More...</a><br /></td></tr>
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<tr class="separator:a6c90b049c1a0d66e69ab2b404ed6bdf8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a647bcd37fbb147391baf6c3e310679aa"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a647bcd37fbb147391baf6c3e310679aa">_phase</a></td></tr>
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<tr class="memdesc:a647bcd37fbb147391baf6c3e310679aa"><td class="mdescLeft"> </td><td class="mdescRight">Current PLL phase. <a href="#a647bcd37fbb147391baf6c3e310679aa">More...</a><br /></td></tr>
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<tr class="separator:a647bcd37fbb147391baf6c3e310679aa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac4e1eb84416adbcdcb01e820ba2567c2"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ac4e1eb84416adbcdcb01e820ba2567c2">_omega</a></td></tr>
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<tr class="memdesc:ac4e1eb84416adbcdcb01e820ba2567c2"><td class="mdescLeft"> </td><td class="mdescRight">PLL phase speed. <a href="#ac4e1eb84416adbcdcb01e820ba2567c2">More...</a><br /></td></tr>
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<tr class="separator:ac4e1eb84416adbcdcb01e820ba2567c2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aac74937a67a4c52698df54a07a0dd23e"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#aac74937a67a4c52698df54a07a0dd23e">_omegaMin</a></td></tr>
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<tr class="memdesc:aac74937a67a4c52698df54a07a0dd23e"><td class="mdescLeft"> </td><td class="mdescRight">Maximum PLL phase speed. <a href="#aac74937a67a4c52698df54a07a0dd23e">More...</a><br /></td></tr>
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<tr class="separator:aac74937a67a4c52698df54a07a0dd23e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aace02d1b7c6a76a21b5cb36dc39e7961"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#aace02d1b7c6a76a21b5cb36dc39e7961">_omegaMax</a></td></tr>
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<tr class="memdesc:aace02d1b7c6a76a21b5cb36dc39e7961"><td class="mdescLeft"> </td><td class="mdescRight">Minimum PLL phase speed. <a href="#aace02d1b7c6a76a21b5cb36dc39e7961">More...</a><br /></td></tr>
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<tr class="separator:aace02d1b7c6a76a21b5cb36dc39e7961"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab26c8999999c60819aefa58026b16e6e"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#ab26c8999999c60819aefa58026b16e6e">_gainOmega</a></td></tr>
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<tr class="memdesc:ab26c8999999c60819aefa58026b16e6e"><td class="mdescLeft"> </td><td class="mdescRight">PLL gain. <a href="#ab26c8999999c60819aefa58026b16e6e">More...</a><br /></td></tr>
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<tr class="memitem:a40f2e6ebec5936f27b9acb25e0384369"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< uint8_t > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_a_f_s_k.html#a40f2e6ebec5936f27b9acb25e0384369">_buffer</a></td></tr>
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<tr class="memdesc:a40f2e6ebec5936f27b9acb25e0384369"><td class="mdescLeft"> </td><td class="mdescRight">Output buffer. <a href="#a40f2e6ebec5936f27b9acb25e0384369">More...</a><br /></td></tr>
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<tr class="inherit_header pro_attribs_classsdr_1_1_source"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classsdr_1_1_source')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classsdr_1_1_source.html">sdr::Source</a></td></tr>
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<tr class="memitem:ac7ea547c33d45cf5b5654ce21957ab27 inherit pro_attribs_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classsdr_1_1_config.html">Config</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#ac7ea547c33d45cf5b5654ce21957ab27">_config</a></td></tr>
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<tr class="memdesc:ac7ea547c33d45cf5b5654ce21957ab27 inherit pro_attribs_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">Holds the source configuration, this can be updated by calling <code>setConfig</code>. <a href="#ac7ea547c33d45cf5b5654ce21957ab27">More...</a><br /></td></tr>
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<tr class="separator:ac7ea547c33d45cf5b5654ce21957ab27 inherit pro_attribs_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2d030b840c4a1ad45d7a6598f9f582b9 inherit pro_attribs_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">std::map< <a class="el" href="classsdr_1_1_sink_base.html">SinkBase</a> *, bool > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#a2d030b840c4a1ad45d7a6598f9f582b9">_sinks</a></td></tr>
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<tr class="memdesc:a2d030b840c4a1ad45d7a6598f9f582b9 inherit pro_attribs_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">The connected sinks. <a href="#a2d030b840c4a1ad45d7a6598f9f582b9">More...</a><br /></td></tr>
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<tr class="separator:a2d030b840c4a1ad45d7a6598f9f582b9 inherit pro_attribs_classsdr_1_1_source"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aee600dc30d6f91466acec5ffcde0f3ac inherit pro_attribs_classsdr_1_1_source"><td class="memItemLeft" align="right" valign="top">std::list< <a class="el" href="classsdr_1_1_delegate_interface.html">DelegateInterface</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classsdr_1_1_source.html#aee600dc30d6f91466acec5ffcde0f3ac">_eos</a></td></tr>
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<tr class="memdesc:aee600dc30d6f91466acec5ffcde0f3ac inherit pro_attribs_classsdr_1_1_source"><td class="mdescLeft"> </td><td class="mdescRight">The connected EOS singal handlers. <a href="#aee600dc30d6f91466acec5ffcde0f3ac">More...</a><br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>A simple (Audio) Frequency Shift Keying (<a class="el" href="classsdr_1_1_a_f_s_k.html" title="A simple (Audio) Frequency Shift Keying (AFSK) demodulator. ">AFSK</a>) demodulator. </p>
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<p>This node consists of two convolution peak-filters at the mark and space frequencies, a interpolating sub-sampler to match the baud-rate exactly and a PLL to lock to the symbol transitions. The node will decode the (A)FSK signal and will send a bit-stream (uint8_t). </p>
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</div><h2 class="groupheader">Member Enumeration Documentation</h2>
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<td class="memname">enum <a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">sdr::AFSK::Mode</a></td>
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<p>Possible bit decoding modes. </p>
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<table class="fieldtable">
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="a616ece7cbdde1101fc7a08bbfacd460dae59f37cc16bd92549bf96a780a26b4ec"></a>NORMAL </td><td class="fielddoc">
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<p>Normal mode (i.e. mark -> 1, space -> 0). </p>
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<tr><td class="fieldname"><a class="anchor" id="a616ece7cbdde1101fc7a08bbfacd460da15d9ca21f40f0d9f872fadacf79cf3c1"></a>TRANSITION </td><td class="fielddoc">
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<p>Transition mode (i.e. transition -> 0, no transition -> 1). </p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">AFSK::AFSK </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>baud</em> = <code>1200.0</code>, </td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>Fmark</em> = <code>1200.0</code>, </td>
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<td class="paramtype">double </td>
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<td></td>
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<td class="paramtype"><a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">Mode</a> </td>
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<td class="paramname"><em>mode</em> = <code><a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460da15d9ca21f40f0d9f872fadacf79cf3c1">TRANSITION</a></code> </td>
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<td></td>
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<td>)</td>
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<p>Constructs a <a class="el" href="classsdr_1_1_a_f_s_k.html" title="A simple (Audio) Frequency Shift Keying (AFSK) demodulator. ">AFSK</a> node with the specified <code>baud</code> rate and <code>Fmark</code>, <code>Fspace</code> frequencies. </p>
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<p>The default valuse corresponds to those used for 1200 baud packet radio. </p>
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<td class="memname">AFSK::~AFSK </td>
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<td>(</td>
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<p>Destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">double sdr::AFSK::_getSymbol </td>
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<td>(</td>
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<p>Performs the convolution filtering of the mark & space frequencies. </p>
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<td class="memname">void AFSK::config </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classsdr_1_1_config.html">Config</a> & </td>
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<td class="paramname"><em>src_cfg</em></td><td>)</td>
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<p>Configures the node. </p>
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<p>Implements <a class="el" href="classsdr_1_1_sink_base.html#aacebf73840f06c82c438e352bf1eb75e">sdr::SinkBase</a>.</p>
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<td class="memname">void AFSK::process </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< int16_t > & </td>
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<td class="paramtype">bool </td>
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<td>)</td>
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<p>Processes the given buffer. </p>
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<p>std::cerr << "Transition at phi=" << _phase << std::endl << " update omega from " << _omega << " to "; </p>
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<p>Implements <a class="el" href="classsdr_1_1_sink.html#aaa6fa5f784d5f328fc9c4e7b241a03e9">sdr::Sink< int16_t ></a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">float sdr::AFSK::_baud</td>
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<p>The baud rate. </p>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a><uint8_t> sdr::AFSK::_buffer</td>
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<p>Output buffer. </p>
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<td class="memname">uint32_t sdr::AFSK::_corrLen</td>
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<p>Correlation length, the number of "symbols" per bit. </p>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< float > sdr::AFSK::_dl</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<p>Delay line for the 8-pole interpolation filter. </p>
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</div>
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<td class="memname">size_t sdr::AFSK::_dl_idx</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Delay line index. </p>
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<td class="memname">float sdr::AFSK::_Fmark</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Mark "tone" frequency. </p>
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</div>
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<a class="anchor" id="a0cf15fc488afacb2b89687312264ee9b"></a>
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<td class="memname">float sdr::AFSK::_Fspace</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Space "tone" frequency. </p>
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<td class="memname">float sdr::AFSK::_gainOmega</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>PLL gain. </p>
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</div>
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</div>
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<a class="anchor" id="a6c90b049c1a0d66e69ab2b404ed6bdf8"></a>
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<td class="memname">uint32_t sdr::AFSK::_lastBits</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Last received bits. </p>
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</div>
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<a class="anchor" id="a1b66874534ab764ff7e702a2d7464ec9"></a>
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<td class="memname">int32_t sdr::AFSK::_lastSymSum</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Sum of the last <code>_corrLen</code> symbols. </p>
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</div>
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<a class="anchor" id="af3f2917e8ef07c0fe94d556bd8c7520f"></a>
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<td class="memname">uint32_t sdr::AFSK::_lutIdx</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>The current FIR filter LUT index. </p>
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</div>
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<a class="anchor" id="a8d966fd9cc9c54457bd30fd6af81b287"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<float> > sdr::AFSK::_markHist</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>FIR filter buffer. </p>
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<a class="anchor" id="aa98d68f2a9835124d33d7732bf4495fb"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<float> > sdr::AFSK::_markLUT</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Mark frequency FIR filter LUT. </p>
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</div>
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</div>
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<a class="anchor" id="a7e4a0ac6d136bdffcfc6c488127cfa14"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_a_f_s_k.html#a616ece7cbdde1101fc7a08bbfacd460d">Mode</a> sdr::AFSK::_mode</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Bit encoding mode. </p>
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</div>
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</div>
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<a class="anchor" id="aed941051b226bb4caa877fe319b274c7"></a>
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<td class="memname">float sdr::AFSK::_mu</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Symbol subsampling counter. </p>
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</div>
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</div>
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<a class="anchor" id="a4a7b706751a59c970b609c4f1858f362"></a>
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<td class="memname">float sdr::AFSK::_muIncr</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Symbol subsampling. </p>
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</div>
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</div>
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<a class="anchor" id="ac4e1eb84416adbcdcb01e820ba2567c2"></a>
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<td class="memname">float sdr::AFSK::_omega</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>PLL phase speed. </p>
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</div>
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</div>
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<a class="anchor" id="aace02d1b7c6a76a21b5cb36dc39e7961"></a>
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<td class="memname">float sdr::AFSK::_omegaMax</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Minimum PLL phase speed. </p>
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</div>
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</div>
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<a class="anchor" id="aac74937a67a4c52698df54a07a0dd23e"></a>
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<td class="memname">float sdr::AFSK::_omegaMin</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Maximum PLL phase speed. </p>
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</div>
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</div>
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<a class="anchor" id="a647bcd37fbb147391baf6c3e310679aa"></a>
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<td class="memname">float sdr::AFSK::_phase</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Current PLL phase. </p>
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</div>
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</div>
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<a class="anchor" id="a9c1df369c20229376edd35f585f6463f"></a>
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<td class="memname">float sdr::AFSK::_sampleRate</td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>The sample rate of the input signal. </p>
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</div>
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</div>
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<a class="anchor" id="ad678cb5470df81d16d8ad247da008ef0"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<float> > sdr::AFSK::_spaceHist</td>
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</table>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>FIR filter buffer. </p>
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</div>
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</div>
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<a class="anchor" id="ad085d0692e8383fdfdfaf1a98b607347"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<float> > sdr::AFSK::_spaceLUT</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Space frequency FIR filter LUT. </p>
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</div>
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</div>
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<a class="anchor" id="ab550533f9aca58b9a5e118e27c816c98"></a>
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<td class="memname">size_t sdr::AFSK::_symbolIdx</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</div><div class="memdoc">
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<p>Insertion index. </p>
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</div>
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</div>
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<a class="anchor" id="a12626715e8614d26ea52da5b1029270f"></a>
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<td class="memname">float sdr::AFSK::_symbolRate</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>A multiple of the baud rate. </p>
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</div>
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</div>
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<a class="anchor" id="a6d4a06aa4715ec32d277271c103cc540"></a>
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<td class="memname"><a class="el" href="classsdr_1_1_buffer.html">Buffer</a><int16_t> sdr::AFSK::_symbols</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Ring buffer of the last <code>_corrLen</code> symbols. </p>
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<td class="memname">int32_t sdr::AFSK::_symSum</td>
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<p>Sum of the current <code>_corrLen</code> symbols. </p>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>/Users/hannes/Uni/Elektronik/sdr/libsdr/src/<a class="el" href="afsk_8hh_source.html">afsk.hh</a></li>
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<li>/Users/hannes/Uni/Elektronik/sdr/libsdr/src/afsk.cc</li>
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</a> 1.8.9.1
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