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Non Parametric Spectral Estimation: A Comparision



In this code, I compare the most commonly used non parametric spectral estimation.

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Compared Methods are:

1) Periodogram
2) Correlogram
3) Welch
4) Blackman Tookey
5) Bartlett

Parameters such as overlap in welch method and length of each sub-sequence can be easily modified to the requirement. Input is a sum of three sinusoid and at the end, single sided PSD is shown.

MATLAB release MATLAB 7.10 (R2010a)
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