ex3022.m

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

N=5;
k=0:1:N-1;
wk=2*pi*k/N;
zk=exp(j*wk);
Xk=(zk)./(zk-0.7);
xn=real(idfs(Xk,N));
xtilde=xn'*ones(1,8);
xtilde=(xtilde(:))';
subplot(211)
stem(0:39,xtilde);
axis([0,40,-0.1,1.5])