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

---
 692/CH5/EX5.14/P5_14.sce | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100755 692/CH5/EX5.14/P5_14.sce

(limited to '692/CH5/EX5.14')

diff --git a/692/CH5/EX5.14/P5_14.sce b/692/CH5/EX5.14/P5_14.sce
new file mode 100755
index 000000000..ab583b2ab
--- /dev/null
+++ b/692/CH5/EX5.14/P5_14.sce
@@ -0,0 +1,32 @@
+//EXAMPLE 5.14
+//DFT of two real sequences using one DFT
+clear;
+clc;
+g = [1 2 0 1];
+disp(g,'g[n] = ');
+h = [2 2 1 1];
+disp(h,'h[n] = ');
+x = g + %i.*h;
+disp(x,'x[n] = ');
+X = fft(x,-1);
+disp(X,'The DFT, X[k] = ');
+X1 = conj(X);
+disp(X1,'X*[k] = ');
+
+for i=0:3;
+    a(i+1)=pmodulo(-i,4);
+    X2(i+1)=X1(a(i+1)+1);
+end
+
+X3 = conj(X2');
+disp(X3,'X*[<4-k>4] = ');
+disp(0.5*(X + X3),'G[k] = ');
+disp((X - X3)/(2*%i),'H[k] = ');
+
+
+
+
+
+
+
+
-- 
cgit