[問題] butterwort，規格使用rad/sec已回收
Wp=40(rad/sec)
Ws=60(rad/sec)
Rp=2.5dB
As=10dB
我程式是用
clear all, close all;
wp=40; ws=60;
Rp=2; As=10;
[n,Wn] = buttord(wp,ws,Rp,As,'s');
[b,a] = butter(n,Wn,'s');
freqz(b,a,200,400);
這樣畫出來的圖都有問題
請問各位是那邊有問題啊？
麻煩了!
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