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

---
 40/CH6/EX6.7b/Exa_6_7b.sce   |  18 ++++++++++++++++++
 40/CH6/EX6.7b/Exa_6_7b_0.jpg | Bin 0 -> 16489 bytes
 40/CH6/EX6.7b/Exa_6_7b_1.jpg | Bin 0 -> 13071 bytes
 3 files changed, 18 insertions(+)
 create mode 100755 40/CH6/EX6.7b/Exa_6_7b.sce
 create mode 100755 40/CH6/EX6.7b/Exa_6_7b_0.jpg
 create mode 100755 40/CH6/EX6.7b/Exa_6_7b_1.jpg

(limited to '40/CH6/EX6.7b')

diff --git a/40/CH6/EX6.7b/Exa_6_7b.sce b/40/CH6/EX6.7b/Exa_6_7b.sce
new file mode 100755
index 000000000..8d9b05069
--- /dev/null
+++ b/40/CH6/EX6.7b/Exa_6_7b.sce
@@ -0,0 +1,18 @@
+z=%z;
+s=%s;
+F=0:(0.5/400):0.5;
+s=exp(%i*2*%pi*F);
+H1Z=(z^2+1-0.618*z)/(z^2-0.5857*z+0.898);
+for i=1:401
+    H1(i)=(s(i)^2+1-0.618*s(i))/(s(i)^2-0.5857*s(i)+0.898);
+end
+H1=abs(H1);
+plzr(H1Z);
+a=gca();
+xset('window',1);
+a.x_location="origin";
+a.y_location="origin";
+plot2d(F,H1)
+xlabel('Digital frequency F');
+ylabel('magnitude');
+xtitle('Magnitude spectrum of bandpass filter');
diff --git a/40/CH6/EX6.7b/Exa_6_7b_0.jpg b/40/CH6/EX6.7b/Exa_6_7b_0.jpg
new file mode 100755
index 000000000..db9eb323e
Binary files /dev/null and b/40/CH6/EX6.7b/Exa_6_7b_0.jpg differ
diff --git a/40/CH6/EX6.7b/Exa_6_7b_1.jpg b/40/CH6/EX6.7b/Exa_6_7b_1.jpg
new file mode 100755
index 000000000..7680db94e
Binary files /dev/null and b/40/CH6/EX6.7b/Exa_6_7b_1.jpg differ
-- 
cgit