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//Example 5_26
//find and sketch Fourier Transform of Periodic Impulse Train
clear;
clc;
T=-4:4;;
T1=1;
xt=ones(1,length(T));
ak=1/T1;
XW=2*%pi*ak*ones(1,length(T));
Wo=2*%pi/T1;
W=Wo*T;
figure
subplot(2,1,1)
plot2d3('gnn',T,xt);
xlabel('t');
title('Periodic Impulse Train')
subplot(2,1,2)
plot2d3('gnn',W,XW);
xlabel('t');
title('CTFT of Periodic Impulse Train')
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