cheb1highpass.m

来自「IIR滤波器的matlab实现」· M 代码 · 共 14 行

clc
clear
close all

%IIR
%lowpass
fs=1000;%Sample frequence
fpass=150;%pass frequence
fstop=40;%stop frequence
Wp = fpass/(0.5*fs); Ws = fstop/(0.5*fs);
Rp = 3; Rs = 60;
[n,Wn] = cheb1ord(Wp,Ws,Rp,Rs)
[b,a]= cheby1(n,Rp,Wn,'high');
freqz(b,a,512,fs); title('Chebyshev Type I Highpass');