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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
commit7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch)
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parentb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff)
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+//Discrete Time Fourier Transform of
+// Periodic Impulse Train
+clear;
+clc;
+close;
+N = 5;
+N1 = -3*N:3*N;
+xn = [zeros(1,N-1),1];
+x = [1 xn xn xn xn xn xn];
+ak = 1/N;
+XW = 2*%pi*ak*ones(1,2*N);
+Wo = 2*%pi/N;
+n = -N:N-1;
+W = Wo*n;
+figure
+subplot(2,1,1)
+plot2d3('gnn',N1,x,2);
+xtitle('Periodic Impulse Train','n','x[n]')
+subplot(2,1,2)
+plot2d3('gnn',W,XW,2);
+xtitle('DTFT of Periodic Impulse Train','w','|X(exp(jw))|')
+disp(Wo)