ex3012.m

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

Dt=0.00005;
t=0.005:Dt:0.005;
xa=exp(-1000:abs(t));
Wmax=2*pi*2000;
K=500;
k=0:1:K;
W=k*Wmax/K;
Xa=xa*exp(-j*t'*W)*Dt;
Xa=real(Xa);
W