DSP EXP NO 2

EXP NO. 2TITLE: TO STUDY AND VERIFY DFT PROPERTIES 

clc;

clear all;

close all;

X1 = input('Enter the first sequence');

X2 = input('Enter the second sequence');

a = 2;

b = 3;

L1 = length(X1);

L2 = length(X2);

N = max(L1,L2);

X1= [X1,zeros(1,N-L1)];

X2= [X2,zeros(1,N-L2)];

X3= a*X1 + b*X2;

LHS = fft(X3);

disp(LHS);

RHS = a*fft(X1) + b*fft(X2);

disp(RHS);

n=0:N-1;

subplot(1,2,1);

stem(n,LHS);

xlabel('samples');

ylabel('amplitude');

subplot(1,2,2);

stem(n,RHS);

xlabel('samples');

ylabel('amplitude');