Power Spectral Density Plot

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Baba
Baba 2011-11-17
I would like to have the Y axis units of the Power spectral densty plot show up as V/sqrt(Hz). The default way that they show up is dB/Hz

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回答（1 个）

Naz
Naz 2011-11-19
If you are using periodogram function without outputs, then it plots dB/Hz. However, if you do:
[Pxx,w] = periodogram(...);
plot(w,Pxx);
then you should get Pxx as power per radians per sample.

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