blob: 98da4ec131ab9e39ede39c0973fbb2c24ee23a46 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from upfirdn.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="upfirdn" 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>upfirdn</refname>
<refpurpose>This function upsamples the input data, applies the FIR filter and then downsamples it.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
y = upfirdn (x, h, p, q)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>x:</term>
<listitem><para> The input signal.</para></listitem></varlistentry>
<varlistentry><term>h:</term>
<listitem><para> The impulse response of the FIR filter.</para></listitem></varlistentry>
<varlistentry><term>p:</term>
<listitem><para>The upsampling factor(default=1) </para></listitem></varlistentry>
<varlistentry><term>q:</term>
<listitem><para>The downsampling factor(default=1) </para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
This function upsamples the input data in the matrix by a factor of n. Then the upsampled data is FIR filtered. After this, the resultant is downsampled.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
upfirdn([1,2,3],2,3,5)
//ans =
//2. 0.
]]></programlisting>
</refsection>
</refentry>
|
