Mercurial > hg > ltpda

comparison m-toolbox/classes/@mfir/mkhighpass.m @ 0:f0afece42f48

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:f0afece42f48
1 % MKHIGHPASS return a high pass filter mfir(). A Butterworth filter is used.
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %
4 % DESCRIPTION: MKHIGHPASS return a high pass filter mfir().
5 % A Butterworth filter is used.
6 %
7 % CALL: f = mkhighpass(f, pl)
8 %
9 % VERSION: $Id: mkhighpass.m,v 1.8 2011/04/04 11:37:02 hewitson Exp $
10 %
11 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
12
13 function f = mkhighpass(f, pl)
14
15 g = find(pl, 'gain');
16 fc = find(pl, 'fc');
17 fs = find(pl, 'fs');
18 order = find(pl, 'order');
19 win = find(pl, 'Win');
20
21 utils.helper.checkFilterOptions(pl);
22
23
24 f.name = 'highpass';
25 f.fs = fs;
26 f.a = g.*fir1(order, 2*fc(1)/fs, 'high', win.win);
27 f.gd = (f.ntaps-1)/2;
28 f.histout = zeros(1,f.ntaps-1); % initialise output history
29 end
30
31