1 files changed, 37 insertions, 0 deletions
diff --git a/2279/CH5/EX5.15/Ex5_15.sce b/2279/CH5/EX5.15/Ex5_15.sce
new file mode 100644
index 000000000..fc0495da8
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+++ b/2279/CH5/EX5.15/Ex5_15.sce
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+//Continuous Time Signal x(t)= exp(B*t)u(-t), t>0
+clear;
+clc;
+close;
+B =1;  
+Dt = 0.005;
+t = -10:Dt:0;
+xt = exp(B*t);
+Wmax = 2*%pi*1;        
+K = 4;
+k = 0:(K/1000):K;
+W = k*Wmax/K;
+XW = xt* exp(-sqrt(-1)*t'*W) * Dt;
+XW_Mag = abs(XW);
+W = [-mtlb_fliplr(W), W(2:1001)]; 
+XW_Mag = [mtlb_fliplr(XW_Mag), XW_Mag(2:1001)];
+[XW_Phase,db] = phasemag(XW);
+XW_Phase = [-mtlb_fliplr(XW_Phase),XW_Phase(2:1001)];
+//Plotting Continuous Time Signal
+figure(1)
+plot(t,xt);
+xlabel('t in sec.');
+ylabel('x(t)')
+title('Continuous Time Signal')
+figure(2)
+//Plotting Magnitude Response of CTS
+subplot(2,1,1);
+plot(W,XW_Mag);
+xlabel('Frequency in Radians/Seconds---> W');
+ylabel('abs(X(jW))')
+title('Magnitude Response (CTFT)')
+//Plotting Phase Reponse of CTS
+subplot(2,1,2);
+plot(W,XW_Phase*%pi/180);
+xlabel('                         Frequency in Radians/Seconds---> W');
+ylabel('                                                <X(jW)')
+title('Phase Response(CTFT) in Radians')