1 files changed, 22 insertions, 0 deletions
diff --git a/2279/CH7/EX7.24/Ex7_24.sce b/2279/CH7/EX7.24/Ex7_24.sce
new file mode 100644
index 000000000..c01faa4e7
--- /dev/null
+++ b/2279/CH7/EX7.24/Ex7_24.sce
@@ -0,0 +1,22 @@
+//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)