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<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from remez1.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="remez1" 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>remez1</refname>
<refpurpose>Parks-McClellan optimal FIR filter design</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
b = remez1 (n, f, a)
b = remez1 (n, f, a, w)
b = remez1 (n, f, a, w, ftype)
b = remez1 (n, f, a, w, ftype, griddensity)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>n:</term>
<listitem><para> gives the number of taps in the returned filter</para></listitem></varlistentry>
<varlistentry><term>f:</term>
<listitem><para>gives frequency at the band edges [b1 e1 b2 e2 b3 e3 …]</para></listitem></varlistentry>
<varlistentry><term>a:</term>
<listitem><para>gives amplitude at the band edges [a(b1) a(e1) a(b2) a(e2) …]</para></listitem></varlistentry>
<varlistentry><term>w:</term>
<listitem><para>gives weighting applied to each band</para></listitem></varlistentry>
<varlistentry><term>ftype:</term>
<listitem><para>is "bandpass", "hilbert" or "differentiator"</para></listitem></varlistentry>
<varlistentry><term>griddensity:</term>
<listitem><para>determines how accurately the filter will be constructed. The minimum value is 16, but higher numbers are slower to compute.</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
Frequency is in the range (0, 1), with 1 being the Nyquist frequency.
</para>
</refsection>
</refentry>
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