p320b.m

P3.20. Consider an analog signal xa (t) = sin (2πt), 0 ≤t≤ 1. It is sampled at Ts = 0.01, 0.05, and

clear all;clc;

i=1;
Ts1=0.01;
Ts2=0.05;
Ts3=0.1;
Dt=0.001;

for t=0:Dt:1
    n=t/Ts1;
    Time(i)=t;
    xt1(i) = sin(2*pi*n);
    i=i+1;
end
subplot(3,1,1)
plot(Time,xt1,'k')

for t=0:Dt:1
    n=t/Ts2;
    Time(i)=t;
    xt2(i) = sin(2*pi*n);
    i=i+1;
end
subplot(3,1,2)
plot(Time,xt2,'k')

for t=0:Dt:1
    n=t/Ts3;
    Time(i)=t;
    xt3(i) = sin (2*pi*n);
    i=i+1;
end
subplot(3,1,3)
plot(Time,xt3,'k')