1 files changed, 33 insertions, 0 deletions
diff --git a/269/CH16/EX16.2/ex2a.sce b/269/CH16/EX16.2/ex2a.sce
new file mode 100644
index 000000000..7b992e885
--- /dev/null
+++ b/269/CH16/EX16.2/ex2a.sce
@@ -0,0 +1,33 @@
+clear;
+clc;
+close;
+A=4;//V0=4 amplitude
+Dt=0.005;
+T1=4;
+t=0:Dt:T1/2;
+for i=1:length(t)
+    xt(i)=A*exp(-0.01*i)
+end
+//continous time Fourier Transform
+Wmax=2*%pi*1;//Analog freq=1HZ
+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);
+a=gca();
+a.data_bounds=[-4,0;4,2];
+a.y_location="origin";
+plot(t,xt);
+xlabel('t in msec.');
+title('Continous time signal x(t)');
+subplot(2,1,2);
+a=gca();
+a.y_location="origin";
+plot(W,XW_Mag);
+xlabel('Freq in rad/sec');
+title('continous time fourier transform');
+\ No newline at end of file