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DSP Code Sharing > Analog IIR filter to Digital IIR Filter - Backward Difference
Analog IIR filter to Digital IIR Filter - Backward Difference
Language: Scilab
Processor: Not Relevant
Submitted by Senthilkumar R on Mar 21 2011
Licensed under a Creative Commons Attribution 3.0 Unported License
Analog IIR filter to Digital IIR Filter - Backward Difference
This Program is used To convert analog filter into digital filter using
Backward Difference method
//Program To convert analog filter into digital filter using
//mapping = (z-(z^-1))/T - Backward Difference
clear all;
clc;
close;
s = poly(0,'s');
H = 1/((s+0.1)^2+9)
T =1;//Sampling period T = 1 Second
z = poly(0,'z');
Hz = horner(H,(1/T)*(z-(z^-1)))
//mapping = (z-(z^-1))/T - Backward Difference
clear all;
clc;
close;
s = poly(0,'s');
H = 1/((s+0.1)^2+9)
T =1;//Sampling period T = 1 Second
z = poly(0,'z');
Hz = horner(H,(1/T)*(z-(z^-1)))
posted by Senthilkumar R Comments
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