<!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_freq_xlating_fir_filter_fcf.h File Reference</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__freq__xlating__fir__filter__fcf_8h.html',''); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#nested-classes">Classes</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <h1>gr_freq_xlating_fir_filter_fcf.h File Reference</h1> </div> </div> <div class="contents"> <div class="textblock"><code>#include <gr_sync_decimator.h></code><br/> <code>#include <<a class="el" href="gr__rotator_8h_source.html">gr_rotator.h</a>></code><br/> </div><div class="textblock"><div class="dynheader"> Include dependency graph for gr_freq_xlating_fir_filter_fcf.h:</div> <div class="dyncontent"> <div class="center"><img src="gr__freq__xlating__fir__filter__fcf_8h__incl.png" border="0" usemap="#gr__freq__xlating__fir__filter__fcf_8h" alt=""/></div> <map name="gr__freq__xlating__fir__filter__fcf_8h" id="gr__freq__xlating__fir__filter__fcf_8h"> <area shape="rect" id="node5" href="gr__rotator_8h.html" title="gr_rotator.h" alt="" coords="171,83,259,112"/></map> </div> </div> <p><a href="gr__freq__xlating__fir__filter__fcf_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="nested-classes"></a> Classes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__freq__xlating__fir__filter__fcf.html">gr_freq_xlating_fir_filter_fcf</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">FIR filter combined with frequency translation with float input, gr_complex output and float tapsThis class efficiently combines a frequency translation (typically "down conversion") with a FIR filter (typically low-pass) and decimation. It is ideally suited for a "channel selection filter" and can be efficiently used to select and decimate a narrow band signal out of wide bandwidth input. <a href="classgr__freq__xlating__fir__filter__fcf.html#_details">More...</a><br/></td></tr> <tr><td colspan="2"><h2><a name="func-members"></a> Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_freq_xlating_fir_filter_fcf_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__freq__xlating__fir__filter__fcf_8h.html#ae98eec795f0b87a474e7a256c54864f6">gr_make_freq_xlating_fir_filter_fcf</a> (int decimation, const <a class="el" href="classstd_1_1vector.html">std::vector</a>< float > &<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>, double center_freq, double sampling_freq)</td></tr> </table> <hr/><h2>Function Documentation</h2> <a class="anchor" id="ae98eec795f0b87a474e7a256c54864f6"></a><!-- doxytag: member="gr_freq_xlating_fir_filter_fcf.h::gr_make_freq_xlating_fir_filter_fcf" ref="ae98eec795f0b87a474e7a256c54864f6" args="(int decimation, const std::vector< float > &taps, double center_freq, double sampling_freq)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_freq_xlating_fir_filter_fcf_sptr</a> gr_make_freq_xlating_fir_filter_fcf </td> <td>(</td> <td class="paramtype">int </td> <td class="paramname"><em>decimation</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< float > & </td> <td class="paramname"><em>taps</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>center_freq</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>sampling_freq</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Construct a FIR filter with the given taps and a composite frequency translation that shifts center_freq down to zero Hz. The frequency translation logically comes before the filtering operation. </p> </div> </div> </div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="gr__freq__xlating__fir__filter__fcf_8h.html">gr_freq_xlating_fir_filter_fcf.h</a> </li> <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by  <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>