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What are the units of the output on the Basic Spectral Analysis info page?

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meatloafie
meatloafie 2018-7-2
关闭： MATLAB Answer Bot 2021-8-20
https://www.mathworks.com/help/matlab/math/basic-spectral-analysis.html#d119e36668
Does anyone know what the units are the y-axis (power) in these examples? I know FFT gives db/hz. but this is squared. So are our power units just (db/hz)^2?

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