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Thread Subject:
pwelch to get amplitude

Subject: pwelch to get amplitude

From: Dave Brackett

Date: 8 Jan, 2009 10:23:01

Message: 1 of 1

I have found a post from 2007 (by Gaby) which never got answered so I would like to repeat it as I am interested in the answer too:

Hi there,

Does anyone knows if Can I used the pwelch method to average an FFT?
I mean once I get the vector Pxx if I multiply by Fs and the signal
lengnt and then sqrtit is it possible to get the amplitude then
average FFT?


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