2.To study & analyze sampling of a signal using MATLAB software.

EXPERIMENT NO - 2

ARVIND KUMAR

 clc;

clear all;

close all;

fs=500;

f=10;

N=5; 

t=0:1/fs:N*1/f; 

x=cos(2*pi*f*t);

subplot(3,1,1);

plot(t,x,'.r');

title('Continuous sinusoidal signal');

xlabel('Time(s)');

ylabel('Amplitude');

fs1=100; 

t1=0:1/fs1:N*1/f; 

x1=cos(2*pi*f*t1);

subplot(3,1,2);

hold on;

stem(t1,x1,'.g')

xlabel('Time(s)');

ylabel('Amplitude');

title('sampling at fs1');

fs2=500; 

t2=0:1/fs2:N*1/f; 

x2=cos(2*pi*f*t2);

subplot(3,1,3);

plot(t,x);

hold on;

stem(t2,x2,'.b');

xlabel('Time(s)');

ylabel('Amplitude');

title('sampling at fs2');

WAVEFORMS