From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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 1592/CH5/EX5.1/Example5_1.sce | 32 ++++++++++++++++++++++++++++++++
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 create mode 100755 1592/CH5/EX5.1/Example5_1.sce

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diff --git a/1592/CH5/EX5.1/Example5_1.sce b/1592/CH5/EX5.1/Example5_1.sce
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+//Scilab Code for Example 5.1 of Signals and systems by
+//P.Ramakrishna Rao
+//Discrete Time Fourier Transform of
+//x[n]= (a^abs(n))  0<a<1
+clear;
+clc;
+close;
+// DTS Signal
+a = 0.5;     //0<a<1
+max_limit = 10;
+n = -max_limit+1:max_limit-1;
+x = a^abs(n);
+// Discrete-time Fourier Transform
+Wmax = 2*%pi;      
+K = 4;
+k = 0:(K/1000):K;
+W = k*Wmax/K;
+XW = x* exp(-sqrt(-1)*n'*W);
+XW_Mag = real(XW);
+W = [-mtlb_fliplr(W), W(2:1001)]; // Omega from -Wmax to Wmax
+XW_Mag = [mtlb_fliplr(XW_Mag), XW_Mag(2:1001)];
+a = gca();
+a.y_location ="origin";
+a.x_location ="origin";  
+plot2d3('gnn',n,x);
+xtitle('Discrete Time Sequence x[n] for a>0')
+figure(1);
+a = gca();
+a.y_location ="origin";
+a.x_location ="origin";
+plot2d(W,XW_Mag);
+title('Discrete Time Fourier Transform X(exp(jW))')
-- 
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