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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-08-30 14:42:38 UTC
  • mfrom: (1.4.7)
  • Revision ID: package-import@ubuntu.com-20120830144238-c1y2og7dbm7m9nig
Tags: 5.4.0-beta-3-1~exp1
* New upstream release
* Update the scirenderer dep
* Get ride of libjhdf5-java dependency

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modules/signal_processing/help/en_US/filters/zpch1.xml
 
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<?xml version="1.0" encoding="UTF-8"?>
 
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<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" version="5.0-subset Scilab" xml:lang="en" xml:id="zpch1">
 
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    <refnamediv>
 
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        <refname>zpch1</refname>
 
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        <refpurpose> Chebyshev analog filter</refpurpose>
 
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    </refnamediv>
 
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    <refsynopsisdiv>
 
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        <title>Calling Sequence</title>
 
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        <synopsis>[poles,gain]=zpch1(n,epsilon,omegac)</synopsis>
 
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    </refsynopsisdiv>
 
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    <refsection>
 
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        <title>Arguments</title>
 
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        <variablelist>
 
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            <varlistentry>
 
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                <term>n</term>
 
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                <listitem>
 
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                    <para>integer (filter order)</para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>epsilon</term>
 
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                <listitem>
 
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                    <para>
 
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                        real : ripple in the pass band (<literal>0&lt;epsilon&lt;1</literal>)
 
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                    </para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>omegac</term>
 
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                <listitem>
 
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                    <para>real : cut-off frequency in Hertz</para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>poles</term>
 
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                <listitem>
 
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                    <para>resulting filter poles</para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>gain</term>
 
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                <listitem>
 
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                    <para>resulting filter gain</para>
 
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                </listitem>
 
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            </varlistentry>
 
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        </variablelist>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Description</title>
 
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        <para>
 
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            Poles of a Type 1 Chebyshev analog filter. The transfer function is given by :
 
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        </para>
 
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        <programlisting role="no-scilab-exec"><![CDATA[ 
 
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H(s)=gain/poly(poles,'s')
 
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 ]]></programlisting>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Examples</title>
 
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        <programlisting role="example"><![CDATA[ 
 
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n = 13;
 
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epsilon = 0.2;
 
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omegac = 3;
 
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[p,gain] = zpch1(n,epsilon,omegac)
 
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 ]]></programlisting>
 
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    </refsection>
 
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</refentry>