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y1.asv
N=40;T1=0.5925;T2=0.1099;
ws1=0.2*pi;wp1=0.35*pi;ws2=0.8*pi;wp2=0.65*pi;
alpha=(N-1)/2;
L=0:N-1;w1=(2*pi/N)*L;
hrs=[zeros(1,5),T2,T1,ones(1,7),T1,T2,zeros(1,4)];
k1=[0:floor((N-1)/2)];
k2=floor(
y2.m
clc;
ws1=0.2*pi;wp1=0.35*pi;wp2=0.65*pi;ws2=0.8*pi;
wd=min((wp1-ws1),(ws2-wp2));
wc1=(ws1+wp1)/2;wc2=(ws2+wp2)/2;
N=ceil(11*pi/wd);
wn=[wc1,wc2]/pi;
b=fir1(N,wn,blackman(N+1));
freqz(b,1)