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DSP Code Sharing > Window Functions for FIR Filter design
Window Functions for FIR Filter design
Language: Scilab
Processor: Not Relevant
Submitted by Senthilkumar R on Mar 21 2011
Licensed under a Creative Commons Attribution 3.0 Unported License
Window Functions for FIR Filter design
This Program is used to generate different window functions For FIR Filter design based on windowing technique
//Program to generate different window functions
//For FIR Filter design based on windowing techniques
clear all;
close;
clc
M =11 ;
for n = 1:M
h_Rect(n) = 1;
h_hann(n) = 0.5-0.5*cos(2*%pi*(n-1)/(M-1));
h_hamm(n) = 0.54-0.46*cos(2*%pi*(n-1)/(M-1));
h_balckmann(n) = 0.42-0.5*cos(2*%pi*n/(M-1))+0.08*cos(4*%pi*n/(M-1));
end
plot2d(1:M,[h_Rect,h_hann,h_hamm,h_balckmann],[2,5,7,9]);
legend(['Rectangular Window';'Hanning';'Hamming';'Balckmann']);
title('Window Functions for Length M = 11')
//For FIR Filter design based on windowing techniques
clear all;
close;
clc
M =11 ;
for n = 1:M
h_Rect(n) = 1;
h_hann(n) = 0.5-0.5*cos(2*%pi*(n-1)/(M-1));
h_hamm(n) = 0.54-0.46*cos(2*%pi*(n-1)/(M-1));
h_balckmann(n) = 0.42-0.5*cos(2*%pi*n/(M-1))+0.08*cos(4*%pi*n/(M-1));
end
plot2d(1:M,[h_Rect,h_hann,h_hamm,h_balckmann],[2,5,7,9]);
legend(['Rectangular Window';'Hanning';'Hamming';'Balckmann']);
title('Window Functions for Length M = 11')
posted by Senthilkumar R Comments
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