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how to design a notch filter in matlab

Asked by premchand m on 7 Feb 2019
Latest activity Edited by Aquatris
on 7 Feb 2019
i wnat to design a notch filter in my project

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R2010b

1 Answer

Answer by Aquatris
on 7 Feb 2019
Edited by Aquatris
on 7 Feb 2019

Here is one way;
alpha= 2000; % determines the depth
f = 650*2*pi;% notch filter frequecy (rad/s)
x = 0.1; % notch filter damping, determines width
Gn1=tf([1 2*x*f/alpha f*f],[1 2*x*f f*f]);% notch filter TF

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