Digital Low Pass Filter in MATLAB | Part 2
Prerequisite:-
Low pass Filter | Part 1
https://www.matlabcoding.com/2020/03/digital-low-pass-filter-in-matlab-part-1.html
Low pass Filter Difference Equation
y[n] = x[n] + a*y[n − 1]
Y(z)=X(z)+a*Y(z)*z^-1
Y(z)[1-a*z^-1]=X(z)
Y(z)/X(z)=1/[1-a*z^-1]
So the transfer function of low pass filter is:
H(z)=1/[1-a*z^-1]
Low pass Filter | Part 1
https://www.matlabcoding.com/2020/03/digital-low-pass-filter-in-matlab-part-1.html
Low pass Filter Difference Equation
y[n] = x[n] + a*y[n − 1]
Y(z)=X(z)+a*Y(z)*z^-1
Y(z)[1-a*z^-1]=X(z)
Y(z)/X(z)=1/[1-a*z^-1]
So the transfer function of low pass filter is:
H(z)=1/[1-a*z^-1]
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