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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from cpsd.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="cpsd" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:scilab="http://www.scilab.org"
xmlns:db="http://docbook.org/ns/docbook">
<refnamediv>
<refname>cpsd</refname>
<refpurpose>This function estimates cross power spectrum of data x and y by the Welch (1967) periodogram/FFT method.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
[PXX, FREQ] = cpsd(X, Y)
[...] = cpsd(X, Y, WINDOW)
[...] = cpsd(X, Y, WINDOW, OVERLAP)
[...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT)
[...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT, FS)
[...] = cpsd(X, Y, WINDOW, OVERLAP, NFFT, FS, RANGE)
cpsd(...)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>X, Y:</term>
<listitem><para> Matrix or integer</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
Estimate cross power spectrum of data X and Y by the Welch (1967) periodogram/FFT method.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
[a, b] = cpsd([1,2,3],[4,5,6])
ans =
b =
0.
0.25
0.5
a =
2.7804939
4.4785583 + 1.0743784i
0.7729851
]]></programlisting>
</refsection>
</refentry>
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