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diff --git a/help/en_US/scilab_en_US_help/stft.html b/help/en_US/scilab_en_US_help/stft.html deleted file mode 100644 index 2f4bdb3..0000000 --- a/help/en_US/scilab_en_US_help/stft.html +++ /dev/null @@ -1,93 +0,0 @@ -<html><head> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <title>stft</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="statelevels.html"><< statelevels</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="stmcb.html">stmcb >></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> > stft</span> - - <br /><br /> - <div class="refnamediv"><h1 class="refname">stft</h1> - <p class="refpurpose">Compute the short-time Fourier transform of the vector X</p></div> - - -<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> - <div class="synopsis"><pre><span class="default">Y</span><span class="default"> = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">)</span> -<span class="default">Y</span><span class="default"> = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">)</span> -<span class="default">Y</span><span class="default"> = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">)</span> -<span class="default">Y</span><span class="default"> = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">, </span><span class="default">NUM_COEF</span><span class="default">)</span> -<span class="default">Y</span><span class="default"> = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">, </span><span class="default">NUM_COEF</span><span class="default">, </span><span class="default">WIN_TYPE</span><span class="default">)</span> -<span class="default">[</span><span class="default">Y</span><span class="default">,</span><span class="default">C</span><span class="default">] = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">)</span> -<span class="default">[</span><span class="default">Y</span><span class="default">,</span><span class="default">C</span><span class="default">] = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">)</span> -<span class="default">[</span><span class="default">Y</span><span class="default">,</span><span class="default">C</span><span class="default">] = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">)</span> -<span class="default">[</span><span class="default">Y</span><span class="default">,</span><span class="default">C</span><span class="default">] = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">, </span><span class="default">NUM_COEF</span><span class="default">)</span> -<span class="default">[</span><span class="default">Y</span><span class="default">,</span><span class="default">C</span><span class="default">] = </span><span class="functionid">stft</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN_SIZE</span><span class="default">, </span><span class="default">INC</span><span class="default">, </span><span class="default">NUM_COEF</span><span class="default">, </span><span class="default">WIN_TYPE</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">Real scalar or vector</p></dd></dt> - <dt><span class="term">WIN_SIZE:</span> - <dd><p class="para">Size of the window used</p></dd></dt> - <dt><span class="term">INC:</span> - <dd><p class="para">Increment</p></dd></dt> - <dt><span class="term">WIN_TYPE:</span> - <dd><p class="para">Type of window</p></dd></dt></dl></div> - -<div class="refsection"><h3 class="title">Description</h3> - <p class="para">Compute the short-time Fourier transform of the vector X with NUM_COEF coefficients by applying a window of WIN_SIZE data points and an increment of INC points.</p> - <p class="para">Before computing the Fourier transform, one of the following windows is applied:</p> - <p class="para">"hanning" -> win_type = 1</p> - <p class="para">"hamming" -> win_type = 2</p> - <p class="para">"rectangle" -> win_type = 3</p> - <p class="para">The window names can be passed as strings or by the WIN_TYPE number.</p> - <p class="para">The following defaults are used for unspecified arguments:WIN_SIZE= 80, INC = 24, NUM_COEF = 64, and WIN_TYPE = 1.</p> - <p class="para">Y = stft (X, ...)' returns the absolute values of the Fourier coefficients according to the NUM_COEF positive frequencies.</p> - <p class="para">'[Y, C] = stft (x, ...)' returns the entire STFT-matrix Y and a 3-element vector C containing the window size, increment, and window type, which is needed by the 'synthesis' function.</p></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="statelevels.html"><< statelevels</a></span> - - </td> - <td width="40%" class="center"> - <span class="top"><a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a></span> - 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