?? exa4_18.m
字號:
% exa4-18_ellipstop.m , for example 4-18
% using chebyshev II filter to design bandpass DF
clear all;
Wpl=650;
Wph=850;
Wp=[Wpl,Wph];
Rp=0.1;
Wsl=700;
Wsh=800;
Ws=[Wsl,Wsh];
Rs=50;
Fs=2000;
[N,Wn]=cheb2ord(Wp/(Fs/2),Ws/(Fs/2),Rp,Rs);
[b,a]=ellip(N,Rp,Rs,Wn,'stop');
freqz(b,a,512,1000)
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -