How to Determine the impluse response and provided a plot of the frequency response of the designed filter. by using Matlab software
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* Design a lowpass digital filter (IIR) using a Butterworth prototype to satisfy:
Wp=0.2π, Ws=0.3π, Rp=1dB, As=15dB
Wp= digital passband freq
Ws= digital stopband freq
Rp= passband ripple
As= stopband attenuation
How to solve this question by using Matlab.
Accepted Answer
Honglei Chen
on 9 Jul 2012
I would suggest you to read the documentation for several functions. Simply type these commands in your command window
doc buttord
doc butter
doc freqz
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