freqz_m.m

本程序是针对WCDMA

function[db,mag,pha,w]=freqz_m(b,a);
[H,w]=freqz(b,a,59000,'whole');
H=(H(1:1:(59000/2+1)))';
w=(w(1:1:(59000/2+1)))';
mag=abs(H);
db=20*log10((mag+eps)/max(mag));
pha=angle(H);