URL
https://opencores.org/ocsvn/sciir/sciir/trunk
Subversion Repositories sciir
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- This comparison shows the changes necessary to convert path
/sciir/trunk
- from Rev 1 to Rev 2
- ↔ Reverse comparison
Rev 1 → Rev 2
/Matlab/IIR.m
0,0 → 1,30
close all |
clear |
clc |
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f = [0 0.25 0.35 1.0]; % Corner frequencies |
m = [1 1 0 0]; % Filter magnitudes |
n = 3; % Filter order |
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[b,a] = yulewalk(n, f, m); % Design IIR Filter |
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[h,w] = freqz(b,a,128); % FFT |
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figure |
plot(f,m,w/pi,abs(h)) % Plot frequency response |
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figure |
step(filt(b,a)) % Plot step response |
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figure |
impulse(filt(b,a)) % Plot impuse response |
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figure |
zplane(b,a) % Plot poles/zeros |
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[sos, g] = tf2sos(b, a); % Second Order Sections |
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afx = num2fixpt(a, sfix(8), 2^-6); |
bfx = num2fixpt(b, sfix(8), 2^-6); |
fvtool(bfx, afx) |
fvtool(b, a) |