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/CH10/EX10.8/Exa_10_8.sce | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 40/CH10/EX10.8/Exa_10_8.sce

(limited to '40/CH10/EX10.8')

diff --git a/40/CH10/EX10.8/Exa_10_8.sce b/40/CH10/EX10.8/Exa_10_8.sce
new file mode 100755
index 000000000..994cbe31f
--- /dev/null
+++ b/40/CH10/EX10.8/Exa_10_8.sce
@@ -0,0 +1,27 @@
+//Design of interpolating filters
+//(a)Design using a single stage interpolator
+fp=1.8;Sout=48;Sin=4;
+Ap=0.6;As=50;
+fs=Sin-fp;
+//finding ripple parameters
+delp=(10^(Ap/20)-1)/(10^(Ap/20)+1);
+dels=10^(-As/20);
+N=Sout*(-10*log10(delp*dels)-13)/(14.6*(fs-fp))+1;
+disp('By using single stage interpolator the filter design is:');
+ceil(N)
+//Design using 3-stage interpolator with I1=2;I2=3;I3=2
+Ap=0.2;
+Sin=[4 8 24];
+Sout=[8 24 48];
+fp=[1.8 1.8 1.8];
+fs=Sin-fp;
+delp=(10^(Ap/20)-1)/(10^(Ap/20)+1);
+dels=10^(-As/20);
+p=14.6*(fs-fp);
+N1=((-10*log10(delp*dels)-13)./p);
+N1=(Sout.*N1)+1;N=0;
+for i=1:length(N1)
+    N=N+N1(i);
+end
+disp('By using single stage interpolator the filter design is:');
+ceil(N)
\ No newline at end of file
-- 
cgit