DSP EXP NO 1

EXP NO 1

TITLE: TO VERIFY SAMPLING THEOREM AND ALIASING EFFECT

clc;

clear all;

close all;

a=2;

F1=5;

t=0:0.001:1;

x = a*sin(2*3.142*F1*t);

subplot(2,2,1);

plot(t,x);

xlabel('Sine Wave');

ylabel('Time');

Fs=11;

n=0:0.05:1;

x= a*sin(2*3.142*F1*n);

subplot(2,2,2);

stem(n,x);

hold on

plot(n,x);

xlabel('Fs>Fmax');

ylabel('Time');

Fs=10;

n=0:0.001:1;

x= a*sin(2*3.142*F1*n);

subplot(2,2,3);

stem(n,x);

hold on

plot(n,x);

xlabel('Fs=Fmax');

ylabel('Time');

Fs=9;

n=0:0.0001:1;

x= a*sin(2*3.142*F1*n);

subplot(2,2,4);

stem(n,x);

hold on

plot(n,x);

xlabel('Fs<max');

ylabel('Time');