%qusetion %Make changes with the code below for %Design IIR Filter (HPF, BPF, band stop filter) by using th Ab=6; As=20; A=10^(As/20) beta=((sqrt(10^(As/10)-1))/(sqrt(10^(Ab/10)-1))) ebslon=sqrt(A^2-1)/beta; elpha=3/2; N=5 d1=2*((10^(Ab/10)-1)^(-1/10)); d2=3*((10^(As/10)-1)^(-1/10)); wc=max(d1,d2)/pi; [zb,pb,kb]=butter(N, wc,'s' ) Tbb abl-zp2tflzh ph kb) %zero pol to trans function

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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%qusetion
%Make changes with the code below for
%Design IIR Filter (HPF, BPF, band stop filter) by using the Butterworth approximation.
Ab=6;
As=20;
A=10^(As/20)
beta=((sqrt(10^(As/10)-1))/(sqrt(10^(Ab/10)-1)))
ebslon=sqrt(A^2-1)/beta;
elpha=3/2;
N=5
d1=2* ((10^(Ab/10)-1)^(-1/10));
d2=3*((10^(As/10)-1)^(-1/10));
wc=max(d1,d2)/pi;
[zb,pb,kb]=butter(N, wc,'s' )
[bb,ab]=zp2tf(zb,pb,kb) %zero pol to trans function
[hb,w]=freqs(bb,ab);
plot(w,mag2db(abs(hb)))
Transcribed Image Text:%qusetion %Make changes with the code below for %Design IIR Filter (HPF, BPF, band stop filter) by using the Butterworth approximation. Ab=6; As=20; A=10^(As/20) beta=((sqrt(10^(As/10)-1))/(sqrt(10^(Ab/10)-1))) ebslon=sqrt(A^2-1)/beta; elpha=3/2; N=5 d1=2* ((10^(Ab/10)-1)^(-1/10)); d2=3*((10^(As/10)-1)^(-1/10)); wc=max(d1,d2)/pi; [zb,pb,kb]=butter(N, wc,'s' ) [bb,ab]=zp2tf(zb,pb,kb) %zero pol to trans function [hb,w]=freqs(bb,ab); plot(w,mag2db(abs(hb)))
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