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
|
/*
* File filter1.c
*
* implements filter routine a la MATLAB
* for real data in vector sigin[]
*
* PA0MBO - M.Bos
* Date Feb 21st 2009
*
* result is stored in y[]
* dataLen is number of elements in input (sigin) and mih is length of
* the filter vector h[]
*
*/
/*************************************************************************
*
* PA0MBO
*
* COPYRIGHT (C) 2009 M.Bos
*
* This file is part of the distribution package RXAMADRM
*
* This package is free software and you can redistribute is
* and/or modify it under the terms of the GNU General Public License
*
* More details can be found in the accompanying file COPYING
*************************************************************************/
#include <stdio.h>
void drmfilter1(float *sigin, float *out, float *coef, int dataLen, int coefLen)
{
int i, j;
for (i = 0; i < dataLen; i++)
{
out[i] = 0.0;
for (j = 0; ((j <= i) && (j < coefLen)); j++)
{
out[i] += coef[j] * sigin[i - j];
}
}
}
|
