a27.m

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

figure(1)
n=0:10;
x=10*(0.8).^n;
[xec,xoc]=circevod(x);
subplot(311)
stem(n,x)
subplot(312)
stem(n,xec);
subplot(313)
stem(n,xoc)
figure(2)
X=dft(x,11)
Xec=dft(xec,11)
Xoc=dft(xoc,11)
subplot(221)
stem(n,real(X))
subplot(222)
stem(n,imag(X))
subplot(223)
stem(n,real(Xec))
subplot(224)
stem(n,imag(Xoc))