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DSP Code Sharing > Comparison of different power spectrum estimates
Comparison of different power spectrum estimates
Language: Scilab
Processor: Not Relevant
Submitted by Senthilkumar R on Dec 28 2011
Licensed under a Creative Commons Attribution 3.0 Unported License
Comparison of different power spectrum estimates
This scilab program is used to compare the frequency resolution of different power spectrum estimation methods
//Caption: Determination of Frequency Resolution of the
//[1]. Barlett [2]. Welch [3].Blackman Tukey Power Spectrum Estimation
//Methods
clear;
clc;
close;
Q = 10; //Quality factor
N = 1000; //Length of the sample sequence
//Bartlett Method
F_Bartlett = Q/(1.11*N);
disp(F_Bartlett,'Frequency Resolution of Bartlett Power Spectrum Estimation')
//Welch Method
F_Welch = Q/(1.39*N);
disp(F_Welch,'Frequency Resolution of Welch Power Spectrum Estimation')
//Blackmann-Tukey Method
F_Blackmann_Tukey = Q/(2.34*N);
disp(F_Blackmann_Tukey,'Frequency Resolution of Blackmann Tukey Power Spectrum Estimation')
//Result
//Frequency Resolution of Bartlett Power Spectrum Estimation
// 0.0090090
//Frequency Resolution of Welch Power Spectrum Estimation
// 0.0071942
//Frequency Resolution of Blackmann Tukey Power Spectrum Estimation
// 0.0042735
//[1]. Barlett [2]. Welch [3].Blackman Tukey Power Spectrum Estimation
//Methods
clear;
clc;
close;
Q = 10; //Quality factor
N = 1000; //Length of the sample sequence
//Bartlett Method
F_Bartlett = Q/(1.11*N);
disp(F_Bartlett,'Frequency Resolution of Bartlett Power Spectrum Estimation')
//Welch Method
F_Welch = Q/(1.39*N);
disp(F_Welch,'Frequency Resolution of Welch Power Spectrum Estimation')
//Blackmann-Tukey Method
F_Blackmann_Tukey = Q/(2.34*N);
disp(F_Blackmann_Tukey,'Frequency Resolution of Blackmann Tukey Power Spectrum Estimation')
//Result
//Frequency Resolution of Bartlett Power Spectrum Estimation
// 0.0090090
//Frequency Resolution of Welch Power Spectrum Estimation
// 0.0071942
//Frequency Resolution of Blackmann Tukey Power Spectrum Estimation
// 0.0042735
posted by Senthilkumar R Comments
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