?? designbutworth.m
字號:
function designbutworth
%designbutworth.m
%used to design 16-order Butterworth filter,which has a 1.5KHz-5KHz passband with
%a sampling rate 16KHz.
Fs=16;
[b,a]=butter(8,[1.5/(Fs/2) 5/(Fs/2)],'bandpass')
freqz(b,a,512,16000)
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