From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3812/CH6/EX6.5/6_5.sce | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 3812/CH6/EX6.5/6_5.sce

(limited to '3812/CH6/EX6.5/6_5.sce')

diff --git a/3812/CH6/EX6.5/6_5.sce b/3812/CH6/EX6.5/6_5.sce
new file mode 100644
index 000000000..eae33211b
--- /dev/null
+++ b/3812/CH6/EX6.5/6_5.sce
@@ -0,0 +1,28 @@
+//Example 6.5:
+//Find The Fourier Transform
+clc;
+a = 0.5;
+max_limit = 10;
+n = -max_limit+1:max_limit-1;
+x = a^abs(n);
+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)];
+XW_Mag = [mtlb_fliplr(XW_Mag), XW_Mag(2:1001)];
+//plot for abs(a)<1
+figure
+subplot(2,1,1);
+a = gca();
+a.y_location ="origin";
+a.x_location ="origin";
+plot2d3('gnn',n,x);xtitle('Discrete Time Sequence x[n] for a>0')
+subplot(2,1,2);
+a = gca();
+a.y_location ="origin";
+a.x_location ="origin";
+plot2d(W,XW_Mag);
+title('Discrete Time Fourier Transform X(exp(jW))')
-- 
cgit