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[scilab.git] / scilab / modules / cacsd / help / ja_JP / dscr.xml
1 <?xml version="1.0" encoding="UTF-8"?>
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16 <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="ja" xml:id="dscr">
17     <refnamediv>
18         <refname>dscr</refname>
19         <refpurpose>線形システムの離散化</refpurpose>
20     </refnamediv>
21     <refsynopsisdiv>
22         <title>呼び出し手順</title>
23         <synopsis>[sld [,r]]=dscr(sl,dt [,m])</synopsis>
24     </refsynopsisdiv>
25     <refsection>
26         <title>パラメータ</title>
27         <variablelist>
28             <varlistentry>
29                 <term>sl</term>
30                 <listitem>
31                     <para>
32                         <literal>[A,B,C,D]</literal>を含む<literal>syslin</literal> リスト.
33                     </para>
34                 </listitem>
35             </varlistentry>
36             <varlistentry>
37                 <term>dt</term>
38                 <listitem>
39                     <para>実数, サンプル周期</para>
40                 </listitem>
41             </varlistentry>
42             <varlistentry>
43                 <term>m</term>
44                 <listitem>
45                     <para>入力ノイズの共分散 (連続時間)(デフォルト値=0)</para>
46                 </listitem>
47             </varlistentry>
48             <varlistentry>
49                 <term>r</term>
50                 <listitem>
51                     <para>
52                         <literal>m</literal>が入力として指定された場合の出力ノイズの共分散 (離散時間) 
53                     </para>
54                 </listitem>
55             </varlistentry>
56             <varlistentry>
57                 <term>sld</term>
58                 <listitem>
59                     <para>
60                         サンプル値 (離散時間) 線形システム, <literal>syslin</literal> リスト
61                     </para>
62                 </listitem>
63             </varlistentry>
64         </variablelist>
65     </refsection>
66     <refsection>
67         <title>説明</title>
68         <para>
69             線形システムの離散化.
70             <literal>sl</literal> は次のような連続時間システムです:
71         </para>
72         <para>
73             <literal>dx/dt=A*x+B*u (+ noise)</literal>.
74         </para>
75         <para>
76             <literal>sld</literal> は<literal>sl</literal>を
77             サンプルすることにより得られる離散時間システムです.
78         </para>
79     </refsection>
80     <refsection>
81         <title>例</title>
82         <programlisting role="example"><![CDATA[ 
83 s=poly(0,'s');
84 Sys=syslin('c',[1,1/(s+1);2*s/(s^2+2),1/s])
85 ss2tf(dscr(tf2ss(Sys),0.1))
86  ]]></programlisting>
87     </refsection>
88     <refsection role="see also">
89         <title>参照</title>
90         <simplelist type="inline">
91             <member>
92                 <link linkend="syslin">syslin</link>
93             </member>
94             <member>
95                 <link linkend="flts">flts</link>
96             </member>
97             <member>
98                 <link linkend="dsimul">dsimul</link>
99             </member>
100         </simplelist>
101     </refsection>
102 </refentry>