p320.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;

Ts1=0.01;n=1:3:1/Ts1;
t=n*Ts1;
Time=t;
xn1 = sin (2*pi*t);
subplot(3,1,1)
stem(n,xn1)
title('Discrete Signal for Ts=0.01 Sec');
xlabel('n Plot');
ylabel('x(n)');

Ts2=0.05;n=1:1:1/Ts2;
t=n*Ts2;
Time1=t;
xn2 = sin (2*pi*t);    
subplot(3,1,2)
stem(n,xn2)
title('Discrete Signal for Ts=0.05 Sec');
xlabel('n  Plot');
ylabel('x(n)');

Ts3=0.1;n=1:1:1/Ts3;
t=n*Ts3;
Time2=t;
xn3 = sin (2*pi*t);
subplot(3,1,3)
stem(n,xn3)
title('Discrete Signal for Ts=0.1 Sec');
xlabel('n Plot');
ylabel('x(n)');