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<?xml version="1.0" encoding="UTF-8"?>
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:lang="en" xml:id="intdec">
<refnamediv>
<refname>intdec</refname>
<refpurpose>Changes sampling rate of a signal</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Syntax</title>
<synopsis>[y]=intdec(x,lom)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>x</term>
<listitem>
<para>input sampled signal</para>
</listitem>
</varlistentry>
<varlistentry>
<term>lom</term>
<listitem>
<para>
For a 1D signal this is a scalar which gives the rate change. For a 2D signal this is a 2-Vector of sampling rate changes <literal>lom</literal>=(col rate change,row rate change)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y</term>
<listitem>
<para>Output sampled signal</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
Changes the sampling rate of a 1D or 2D signal by the rates in lom
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
Fs1 = 10000;
Fs2 = 14000;
t1 = 0:1/Fs1:10;
t2 = 0:1/Fs2:10;
F0 = 500;
u1 = sin(2*%pi*F0*t1);
u2 = sin(2*%pi*F0*t2);
u2b = intdec(u1, Fs2/Fs1)
plot(u2b, u2);
]]></programlisting>
<scilab:image>
Fs1 = 10000; Fs2 = 14000;
t1 = 0:1/Fs1:10; t2 = 0:1/Fs2:10;
F0 = 500;
u1 = sin(2*%pi*F0*t1); u2 = sin(2*%pi*F0*t2);
u2b = intdec(u1, Fs2/Fs1);
plot(u2b, u2);
</scilab:image>
</refsection>
</refentry>
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