1 files changed, 29 insertions, 0 deletions
diff --git a/2279/CH5/EX5.19/Ex5_19.sce b/2279/CH5/EX5.19/Ex5_19.sce
new file mode 100644
index 000000000..f61779753
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+++ b/2279/CH5/EX5.19/Ex5_19.sce
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+//frequency response of impulse signal
+clear;
+clc;
+close;
+A =1;    
+Dt = 0.005;
+T1 = 4; 
+Wo=2//Assume Wo=2
+t = -T1/2:Dt:T1/2;
+for i = 1:length(t)
+    xt(i)=sin(Wo*t(i));
+end
+Wmax = 2*%pi*1;        
+K = 4;
+k = 0:(K/1000):K;
+W = k*Wmax/K;
+xt = xt';
+XW = xt* exp(-sqrt(-1)*t'*W) * Dt;
+XW_Mag = real(XW);
+W = [-mtlb_fliplr(W), W(2:1001)]; 
+XW_Mag = [mtlb_fliplr(XW_Mag), XW_Mag(2:1001)];
+subplot(2,1,1);
+plot(t,xt);
+xlabel('t in sec.');
+title('Contiuous Time Signal x(t)')
+subplot(2,1,2);
+plot(W,XW_Mag);
+xlabel('Frequency in Radians/Seconds');
+title('Continuous-time Fourier Transform  X(jW)')