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| author | bgtushar | 2017-11-30 20:31:42 +0530 |
|---|---|---|
| committer | bgtushar | 2017-11-30 20:31:42 +0530 |
| commit | f6ef6a0238d4a028e65a0a7f1f1d39ff7979dec2 (patch) | |
| tree | 9d5f3f6632568deb6f285acebd9990f4eb02171a /help/en_US/scilab_en_US_help/czt.html | |
| parent | bde72bceca94ce47e8c65886878947cf3c2445cb (diff) | |
| parent | 99b498fb0cedd8560d18f032a4cb1fcae0c1fadb (diff) | |
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final commit
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 |
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diff --git a/help/en_US/scilab_en_US_help/czt.html b/help/en_US/scilab_en_US_help/czt.html new file mode 100644 index 0000000..f80fb07 --- /dev/null +++ b/help/en_US/scilab_en_US_help/czt.html @@ -0,0 +1,86 @@ +<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_cc2bc01c47967d47fcf3507a91d572ba.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_cc2bc01c47967d47fcf3507a91d572ba.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_cc2bc01c47967d47fcf3507a91d572ba.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> |