u_buttap.m

数字信号处理的比较全面的程序代码

function [b,a]=u_buttap(N,Omegac)
[Z,P,K]=buttap(N);
P=P*Omegac;
K=K*Omegac^N;
B=real(poly(Z));
b0=K;
b=K*B;
a=real(poly(P));