diff options
Diffstat (limited to 'help/en_US/scilab_en_US_help/czt.html')
-rw-r--r-- | help/en_US/scilab_en_US_help/czt.html | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/help/en_US/scilab_en_US_help/czt.html b/help/en_US/scilab_en_US_help/czt.html deleted file mode 100644 index 06b9a9b..0000000 --- a/help/en_US/scilab_en_US_help/czt.html +++ /dev/null @@ -1,86 +0,0 @@ -<html><head> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <title>czt</title> - <style type="text/css" media="all"> - @import url("scilab_code.css"); - @import url("xml_code.css"); - @import url("c_code.css"); - @import url("style.css"); - </style> - </head> - <body> - <div class="manualnavbar"> - <table width="100%"><tr> - <td width="30%"> - <span class="previous"><a href="cummin.html"><< cummin</a></span> - - </td> - <td width="40%" class="center"> - <span class="top"><a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a></span> - - </td> - <td width="30%" class="next"> - <span class="next"><a href="db.html">db >></a></span> - - </td> - </tr></table> - <hr /> - </div> - - - - <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a> > czt</span> - - <br /><br /> - <div class="refnamediv"><h1 class="refname">czt</h1> - <p class="refpurpose">Chirp Z Transform</p></div> - - -<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> - <div class="synopsis"><pre><span class="functionid">czt</span><span class="default"> (</span><span class="default">x</span><span class="default">)</span> -<span class="functionid">czt</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">m</span><span class="default">)</span> -<span class="functionid">czt</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">m</span><span class="default">, </span><span class="default">w</span><span class="default">)</span> -<span class="functionid">czt</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">m</span><span class="default">, </span><span class="default">w</span><span class="default">, </span><span class="default">a</span><span class="default">)</span></pre></div></div> - -<div class="refsection"><h3 class="title">Parameters</h3> - <dl><dt><span class="term">x:</span> - <dd><p class="para">Input scalar or vector</p></dd></dt> - <dt><span class="term">m:</span> - <dd><p class="para">Total Number of steps</p></dd></dt> - <dt><span class="term">w:</span> - <dd><p class="para">ratio between points in each step</p></dd></dt> - <dt><span class="term">a:</span> - <dd><p class="para">point in the complex plane</p></dd></dt></dl></div> - -<div class="refsection"><h3 class="title">Description</h3> - <p class="para">This is an Octave function. -Chirp z-transform. Compute the frequency response starting at a and stepping by w for m steps. a is a point in the complex plane, and w is the ratio between points in each step (i.e., radius increases exponentially, and angle increases linearly).</p></div> - -<div class="refsection"><h3 class="title">Examples</h3> - <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">m</span> <span class="scilaboperator">=</span> <span class="scilabnumber">32</span><span class="scilabdefault">;</span> <span class="scilabid">##</span> <span class="scilabid">number</span> <span class="scilabid">of</span> <span class="scilabid">points</span> <span class="scilabid">desired</span> -<span class="scilabid">w</span> <span class="scilaboperator">=</span> <a class="scilabcommand" href="scilab://exp">exp</a><span class="scilabopenclose">(</span><span class="scilaboperator">-</span><span class="scilabid">j</span><span class="scilaboperator">*</span><span class="scilabnumber">2</span><span class="scilaboperator">*</span><span class="scilabid">pi</span><span class="scilaboperator">*</span><span class="scilabopenclose">(</span><span class="scilabid">f2</span><span class="scilaboperator">-</span><span class="scilabid">f1</span><span class="scilabopenclose">)</span><span class="scilaboperator">/</span><span class="scilabopenclose">(</span><span class="scilabopenclose">(</span><span class="scilabid">m</span><span class="scilaboperator">-</span><span class="scilabnumber">1</span><span class="scilabopenclose">)</span><span class="scilaboperator">*</span><span class="scilabid">Fs</span><span class="scilabopenclose">)</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">##</span> <a class="scilabcommand" href="scilab://freq">freq</a><span class="scilaboperator">.</span> <span class="scilabid">step</span> <span class="scilabid">of</span> <span class="scilabid">f2</span><span class="scilaboperator">-</span><span class="scilabid">f1</span><span class="scilaboperator">/</span><span class="scilabid">m</span> -<span class="scilabid">a</span> <span class="scilaboperator">=</span> <a class="scilabcommand" href="scilab://exp">exp</a><span class="scilabopenclose">(</span><span class="scilabid">j</span><span class="scilaboperator">*</span><span class="scilabnumber">2</span><span class="scilaboperator">*</span><span class="scilabid">pi</span><span class="scilaboperator">*</span><span class="scilabid">f1</span><span class="scilaboperator">/</span><span class="scilabid">Fs</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span> <span class="scilabid">##</span> <span class="scilabid">starting</span> <span class="scilabid">at</span> <span class="scilabid">frequency</span> <span class="scilabid">f1</span> -<span class="scilabid">y</span> <span class="scilaboperator">=</span> <span class="scilabmacro">czt</span><span class="scilabopenclose">(</span><span class="scilabid">x</span><span class="scilabdefault">,</span> <span class="scilabid">m</span><span class="scilabdefault">,</span> <span class="scilabid">w</span><span class="scilabdefault">,</span> <span class="scilabid">a</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div> - <br /> - - <div class="manualnavbar"> - <table width="100%"> - <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr> -<tr> - <td width="30%"> - <span class="previous"><a href="cummin.html"><< cummin</a></span> - - </td> - <td width="40%" class="center"> - <span class="top"><a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a></span> - - </td> - <td width="30%" class="next"> - <span class="next"><a href="db.html">db >></a></span> - - </td> - </tr></table> - <hr /> - </div> - </body> -</html> |