Write a detailed Matlab Program for the Following question
Write a detailed Matlab Program for the Following question .
Find the Fourier transform of x(t)= 2*e -3t u(t) Take t=-3:0.5:3 Now take the inverse Fourier transform and check if it returns the signal backSolution
clear all;
close all;
clc;
x1=input(\'enter the first sequence\');
x2=input(\'enter the second sequence\');
l=length(x1);
m=length(x2);
g=wrev(x2);
x1=[x1 zeros(1,(m-1))];
g=[g zeros(1,(l-1))];
x1=fft(x1);
g=fft(g);
y=x1.*g;
y=ifft(y);
subplot(3,1,1);
stem(x1);
xlabel(\'time\');
ylabel(\'amplitude\');
subplot(3,1,2);
stem(g);
xlabel(\'time\');
ylabel(\'amplitude\');
subplot(3,1,3);
stem(y);
xlabel(\'time\');
ylabel(\'amplitude\');
