diff options
Diffstat (limited to 'help/en_US/scilab_en_US_help/periodogram.html')
-rw-r--r-- | help/en_US/scilab_en_US_help/periodogram.html | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/help/en_US/scilab_en_US_help/periodogram.html b/help/en_US/scilab_en_US_help/periodogram.html deleted file mode 100644 index c8bb0d3..0000000 --- a/help/en_US/scilab_en_US_help/periodogram.html +++ /dev/null @@ -1,84 +0,0 @@ -<html><head> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> - <title>periodogram</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="peig.html"><< peig</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="phaseInputParseAs_ab.html">phaseInputParseAs_ab >></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> > periodogram</span> - - <br /><br /> - <div class="refnamediv"><h1 class="refname">periodogram</h1> - <p class="refpurpose">Return the periodogram (Power Spectral Density) of X</p></div> - - -<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> - <div class="synopsis"><pre><span class="default">[</span><span class="default">PXX</span><span class="default">, </span><span class="default">W</span><span class="default">] = </span><span class="functionid">periodogram</span><span class="default"> (</span><span class="default">X</span><span class="default">)</span> -<span class="default">[</span><span class="default">PXX</span><span class="default">, </span><span class="default">W</span><span class="default">] = </span><span class="functionid">periodogram</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN</span><span class="default">)</span> -<span class="default">[</span><span class="default">PXX</span><span class="default">, </span><span class="default">W</span><span class="default">] = </span><span class="functionid">periodogram</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN</span><span class="default">, </span><span class="default">NFFT</span><span class="default">)</span> -<span class="default">[</span><span class="default">PXX</span><span class="default">, </span><span class="default">W</span><span class="default">] = </span><span class="functionid">periodogram</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">WIN</span><span class="default">, </span><span class="default">NFFT</span><span class="default">, </span><span class="default">FS</span><span class="default">)</span> -<span class="default">[</span><span class="default">PXX</span><span class="default">, </span><span class="default">W</span><span class="default">] = </span><span class="functionid">periodogram</span><span class="default"> (..., </span>"<span class="default">RANGE</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">data vector. If X is real-valued a one-sided spectrum is estimated. If X is complex-valued, or "RANGE" specifies "twosided", the full spectrum is estimated.</p></dd></dt> - <dt><span class="term">WIN:</span> - <dd><p class="para">window weight data. If window is empty or unspecified a default rectangular window is used. Otherwise, the window is applied to the signal ('X .* WIN') before computing th periodogram. The window data must be a vector of the same length as X.</p></dd></dt> - <dt><span class="term">NFFT:</span> - <dd><p class="para">number of frequency bins. The default is 256 or the next higher power of 2 greater than the length of X ('max (256,2.^nextpow2 (length (x)))'). If NFFT is greater than the length of the input then X will be zero-padded to the length of NFFT.</p></dd></dt> - <dt><span class="term">FS:</span> - <dd><p class="para">sampling rate. The default is 1.</p></dd></dt> - <dt><span class="term">RANGE:</span> - <dd><p class="para">range of spectrum. "onesided" computes spectrum from [0..nfft/2+1]."twosided" computes spectrum from [0..nfft-1].</p></dd></dt></dl></div> - -<div class="refsection"><h3 class="title">Description</h3> - <p class="para">The optional second output W are the normalized angular frequencies. For a one-sided calculation W is in the range [0, pi]. If NFFT is even and [0, pi) if NFFT is odd. Similarly, for a two-sided calculation W is in the range [0, 2*pi] or [0, 2*pi)depending on NFFT.</p> - <p class="para">If a sampling frequency is specified, FS, then the output frequencies F will be in the range [0, FS/2] or [0, FS/2) for one-sided calculations. For two-sided calculations the range will be [0, FS).</p> - <p class="para">When called with no outputs the periodogram is immediately plotted in the current figure window.</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="peig.html"><< peig</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="phaseInputParseAs_ab.html">phaseInputParseAs_ab >></a></span> - - </td> - </tr></table> - <hr /> - </div> - </body> -</html> |