To estimate power spectra density (PSD) the only you need is the function pwelch?
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dpb
dpb il 13 Lug 2019
Modificato: dpb il 14 Lug 2019

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To compute via Welch's overlapping estimator, yes. Of course, you can compute PSD from base product directly with FFT() and choose how you overlap (or don't) as wish...

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il 13 Lug 2019

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dpb
il 14 Lug 2019

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