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- 3$\begingroup$ "Periodogram" gives you the power spectrum. And "Spectrogram" gives you a time-frequency plot. $\endgroup$Daniel Huber– Daniel Huber2025-02-17 18:12:42 +00:00Commented Feb 17 at 18:12
- $\begingroup$ Hi Daniel, Thank you for your answer. I tried with periodogram but I get negative values for yy. $\endgroup$Zarabu– Zarabu2025-02-17 21:11:06 +00:00Commented Feb 17 at 21:11
- 1$\begingroup$ Yes, these are Decibels. If you want a linear scale you need to specify the option "ScalingFunctions". $\endgroup$Daniel Huber– Daniel Huber2025-02-17 21:24:54 +00:00Commented Feb 17 at 21:24
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