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Forum: Main CFD Forum

September 3, 2010, 01:47

Replies: 8

power spectral density

Views: 5,542

Posted By Avr.Tomer

Another suggestion which might achieve the goal...

Another suggestion which might achieve the goal of watching the frequency "at a particular time" is using wavelet transform methods.
Under some restrictions (ergodicity, sampling rate, etc...) by...

Forum: Main CFD Forum

September 2, 2010, 12:02

Replies: 8

power spectral density

Views: 5,542

Posted By Avr.Tomer

I dont realy understand... If lets say you signal...

I dont realy understand... If lets say you signal is composed only from a superposition of sine waves you would idealy get a sharp discrete frequency peaks via PSD in the proper fr., on the other...

Forum: Main CFD Forum

September 2, 2010, 11:22

Replies: 8

power spectral density

Views: 5,542

Posted By Avr.Tomer

Try...

Try Indirectly to FFT the signal and than extract PSD. Matlab usualy has a straiforward Help Guide but still one should be sure of the math behind the operator used.

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