ex3058.m

the file contain many matlab signal source code and many example .

wp=0.2*pi;
ws=0.3*pi;
Rp=1;
As=15;
T=1;
OmegaP=(2/T)*tan(wp/2);
OmeagS=(2/T)*tan(ws/2);
[N,wn]=buttord(OmegaP,OmegaS,Rp,As,'s')
[b,a]=butter(N,wn)