Sophie

Sophie

distrib > Fedora > 14 > x86_64 > media > updates > by-pkgid > 6e7a2755bd78c9deedab199b86e675f3 > files > 3905

gnuradio-doc-3.2.2-9.fc14.x86_64.rpm

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>GNU Radio 3.2.2 C++ API: gr_dd_mpsk_sync_cc.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">GNU Radio 3.2.2 C++ API</div>
  </td>
 </tr>
 </tbody>
</table>
</div>
</div>
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
  initNavTree('gr__dd__mpsk__sync__cc_8h.html','');
</script>
<div id="doc-content">
<div class="header">
  <div class="headertitle">
<h1>gr_dd_mpsk_sync_cc.h</h1>  </div>
</div>
<div class="contents">
<a href="gr__dd__mpsk__sync__cc_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2004,2006 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING.  If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef INCLUDED_GR_DD_MPSK_SYNC_CC_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_DD_MPSK_SYNC_CC_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &lt;gr_sync_block.h&gt;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="keyword">class </span><a class="code" href="classgri__mmse__fir__interpolator__cc.html" title="Compute intermediate samples between signal samples x(k*Ts)This implements a Mininum Mean Squared Err...">gri_mmse_fir_interpolator_cc</a>;
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="keyword">class </span><a class="code" href="classgr__dd__mpsk__sync__cc.html" title="Decision directed M-PSK synchronous demodThis block performs joint carrier tracking and symbol timing...">gr_dd_mpsk_sync_cc</a>;
<a name="l00031"></a>00031 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr&lt;gr_dd_mpsk_sync_cc&gt;</a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_dd_mpsk_sync_cc_sptr</a>;
<a name="l00032"></a>00032 
<a name="l00033"></a>00033 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_dd_mpsk_sync_cc_sptr</a> 
<a name="l00034"></a>00034 <a class="code" href="gr__dd__mpsk__sync__cc_8h.html#a768410b456fa895d2e73964c4744d1cd">gr_make_dd_mpsk_sync_cc</a> (<span class="keywordtype">float</span> alpha, <span class="keywordtype">float</span> beta,
<a name="l00035"></a>00035                          <span class="keywordtype">float</span> max_freq, <span class="keywordtype">float</span> min_freq, <span class="keywordtype">float</span> ref_phase,
<a name="l00036"></a>00036                          <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a1bb9b1fa3e94bd49f6b0f420ae777272">omega</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#ae82e530d764cee18d7bcb30da5368474">gain_omega</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a121b460945aad49f7de9b379ca11a575">mu</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#aa740bd4c2b4a1bd5308a2f28e88db121">gain_mu</a>);
<a name="l00037"></a>00037 <span class="comment"></span>
<a name="l00038"></a>00038 <span class="comment">/*!</span>
<a name="l00039"></a>00039 <span class="comment"> * \brief Decision directed M-PSK synchronous demod </span>
<a name="l00040"></a>00040 <span class="comment"> * \ingroup sync_blk</span>
<a name="l00041"></a>00041 <span class="comment"> * This block performs joint carrier tracking and symbol timing recovery.</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * input: complex baseband; output: properly timed complex samples ready for slicing.</span>
<a name="l00044"></a>00044 <span class="comment"> *</span>
<a name="l00045"></a>00045 <span class="comment"> * N.B, at this point, it handles only QPSK.</span>
<a name="l00046"></a>00046 <span class="comment"> */</span>
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html">00048</a> <span class="keyword">class </span><a class="code" href="classgr__dd__mpsk__sync__cc.html" title="Decision directed M-PSK synchronous demodThis block performs joint carrier tracking and symbol timing...">gr_dd_mpsk_sync_cc</a> : <span class="keyword">public</span> <a class="code" href="classgr__block.html" title="The abstract base class for all &amp;#39;terminal&amp;#39; processing blocks.A signal processing flow is cons...">gr_block</a>
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050   <span class="keyword">friend</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_dd_mpsk_sync_cc_sptr</a> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a768410b456fa895d2e73964c4744d1cd">gr_make_dd_mpsk_sync_cc</a> (<span class="keywordtype">float</span> alpha, <span class="keywordtype">float</span> beta,
<a name="l00051"></a>00051                                                           <span class="keywordtype">float</span> max_freq, <span class="keywordtype">float</span> min_freq, <span class="keywordtype">float</span> ref_phase,
<a name="l00052"></a>00052                                                           <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a1bb9b1fa3e94bd49f6b0f420ae777272">omega</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#ae82e530d764cee18d7bcb30da5368474">gain_omega</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a121b460945aad49f7de9b379ca11a575">mu</a>, <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#aa740bd4c2b4a1bd5308a2f28e88db121">gain_mu</a>);
<a name="l00053"></a>00053 <span class="keyword">public</span>:
<a name="l00054"></a>00054   <a class="code" href="classgr__dd__mpsk__sync__cc.html#a819a802e07f108984ce9e714b5ecc8db">~gr_dd_mpsk_sync_cc</a> ();
<a name="l00055"></a>00055   <span class="keywordtype">void</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#ac66825ce2aa809b67d115230be6b5d1c" title="Estimate input requirements given output request.">forecast</a>(<span class="keywordtype">int</span> noutput_items, <a class="code" href="classstd_1_1vector.html">gr_vector_int</a> &amp;ninput_items_required);
<a name="l00056"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#a121b460945aad49f7de9b379ca11a575">00056</a>   <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a121b460945aad49f7de9b379ca11a575">mu</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_mu;}
<a name="l00057"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#a1bb9b1fa3e94bd49f6b0f420ae777272">00057</a>   <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a1bb9b1fa3e94bd49f6b0f420ae777272">omega</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_omega;}
<a name="l00058"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#aa740bd4c2b4a1bd5308a2f28e88db121">00058</a>   <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#aa740bd4c2b4a1bd5308a2f28e88db121">gain_mu</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_gain_mu;}
<a name="l00059"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#ae82e530d764cee18d7bcb30da5368474">00059</a>   <span class="keywordtype">float</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#ae82e530d764cee18d7bcb30da5368474">gain_omega</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_gain_omega;}
<a name="l00060"></a>00060   
<a name="l00061"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#ae1870931ae0113bfc5dded42ffbb18bf">00061</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#ae1870931ae0113bfc5dded42ffbb18bf">set_gain_mu</a> (<span class="keywordtype">float</span> gain_mu) { d_gain_mu = <a class="code" href="classgr__dd__mpsk__sync__cc.html#aa740bd4c2b4a1bd5308a2f28e88db121">gain_mu</a>; }
<a name="l00062"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#a034144109a494a86d97b4194e134d2d7">00062</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a034144109a494a86d97b4194e134d2d7">set_gain_omega</a> (<span class="keywordtype">float</span> gain_omega) { d_gain_omega = <a class="code" href="classgr__dd__mpsk__sync__cc.html#ae82e530d764cee18d7bcb30da5368474">gain_omega</a>; }
<a name="l00063"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#abc43d441d4d2a319ada46bbb91fad82e">00063</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#abc43d441d4d2a319ada46bbb91fad82e">set_mu</a> (<span class="keywordtype">float</span> mu) { d_mu = <a class="code" href="classgr__dd__mpsk__sync__cc.html#a121b460945aad49f7de9b379ca11a575">mu</a>; }
<a name="l00064"></a><a class="code" href="classgr__dd__mpsk__sync__cc.html#a2998c88b13849abb754350c5f51b1d07">00064</a>   <span class="keywordtype">void</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a2998c88b13849abb754350c5f51b1d07">set_omega</a> (<span class="keywordtype">float</span> omega) { d_omega = <a class="code" href="classgr__dd__mpsk__sync__cc.html#a1bb9b1fa3e94bd49f6b0f420ae777272">omega</a>; }
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 <span class="keyword">protected</span>:
<a name="l00067"></a>00067   <a class="code" href="classgr__dd__mpsk__sync__cc.html#abda9d523df71c20dedef767b4e05f581">gr_dd_mpsk_sync_cc</a> (<span class="keywordtype">float</span> alpha, <span class="keywordtype">float</span> beta, <span class="keywordtype">float</span> max_freq, <span class="keywordtype">float</span> min_freq, <span class="keywordtype">float</span> ref_phase,
<a name="l00068"></a>00068                       <span class="keywordtype">float</span> omega, <span class="keywordtype">float</span> gain_omega, <span class="keywordtype">float</span> mu, <span class="keywordtype">float</span> gain_mu);
<a name="l00069"></a>00069   
<a name="l00070"></a>00070   <span class="keywordtype">int</span> <a class="code" href="classgr__dd__mpsk__sync__cc.html#a4b2511faef74997cb05af32d352593e8" title="compute output items from input items">general_work</a> (<span class="keywordtype">int</span> noutput_items,
<a name="l00071"></a>00071                     <a class="code" href="classstd_1_1vector.html">gr_vector_int</a> &amp;ninput_items,
<a name="l00072"></a>00072                     <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &amp;input_items,
<a name="l00073"></a>00073                     <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> &amp;output_items);
<a name="l00074"></a>00074   
<a name="l00075"></a>00075 <span class="keyword">private</span>:
<a name="l00076"></a>00076   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> DLLEN = 8;  <span class="comment">// delay line length.</span>
<a name="l00077"></a>00077 
<a name="l00078"></a>00078   <span class="keywordtype">float</span> d_alpha,d_beta,d_max_freq,d_min_freq,d_ref_phase;
<a name="l00079"></a>00079   <span class="keywordtype">float</span> d_omega, d_gain_omega, d_mu, d_gain_mu;
<a name="l00080"></a>00080   <span class="keywordtype">float</span> d_phase, d_freq;
<a name="l00081"></a>00081   <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> slicer_45deg (<a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> sample);
<a name="l00082"></a>00082   <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> slicer_0deg (<a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> sample);
<a name="l00083"></a>00083   <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> d_last_sample;
<a name="l00084"></a>00084   <a class="code" href="classgri__mmse__fir__interpolator__cc.html" title="Compute intermediate samples between signal samples x(k*Ts)This implements a Mininum Mean Squared Err...">gri_mmse_fir_interpolator_cc</a>  *d_interp;
<a name="l00085"></a>00085   
<a name="l00086"></a>00086   <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> d_dl[2 * DLLEN];   <span class="comment">// Holds post carrier tracking samples.</span>
<a name="l00087"></a>00087                                 <span class="comment">// double length delay line to avoid wraps.</span>
<a name="l00088"></a>00088   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_dl_idx;        <span class="comment">// indexes oldest sample in delay line.</span>
<a name="l00089"></a>00089 
<a name="l00090"></a>00090   <span class="keywordtype">float</span> phase_detector(<a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> sample,<span class="keywordtype">float</span> ref_phase);
<a name="l00091"></a>00091 };
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 <span class="preprocessor">#endif</span>
</pre></div></div>
</div>
  <div id="nav-path" class="navpath">
    <ul>
      <li class="navelem"><a class="el" href="gr__dd__mpsk__sync__cc_8h.html">gr_dd_mpsk_sync_cc.h</a>      </li>
      <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by&#160;
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li>
    </ul>
  </div>

</body>
</html>

Perl :: Catalyst :: PostgreSQL :: RPM Valid HTML 4.01 Transitional