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DSP Code Sharing > Decimation or Downsampling in scilab
Decimation or Downsampling in scilab
Language: Scilab
Processor: Not Relevant
Submitted by Senthilkumar R on Mar 21 2011
Licensed under a Creative Commons Attribution 3.0 Unported License
Decimation or Downsampling in scilab
This program perfoms Multirate Signal Processing in scilab - Downsampling a sinusoidal signal by a factor of 2
//Multirate Signal Processing in scilab
//Downsampling a sinusoidal signal by a factor of 2
clear;
clc;
n = 0:%pi/200:2*%pi;
x = sin(%pi*n); //original signal
downsampling_x = x(1:2:length(x)); //downsampled by a factor of 2
subplot(2,1,1)
plot(1:length(x),x);
xtitle('original singal')
subplot(2,1,2)
plot(1:length(downsampling_x),downsampling_x);
xtitle('Downsampled Signal by a factor of 2');
//Downsampling a sinusoidal signal by a factor of 2
clear;
clc;
n = 0:%pi/200:2*%pi;
x = sin(%pi*n); //original signal
downsampling_x = x(1:2:length(x)); //downsampled by a factor of 2
subplot(2,1,1)
plot(1:length(x),x);
xtitle('original singal')
subplot(2,1,2)
plot(1:length(downsampling_x),downsampling_x);
xtitle('Downsampled Signal by a factor of 2');
posted by Senthilkumar R Comments
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