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Wenderson Oliveira (@wnoliveira)

About 4 years working with Embedded Software and Hardware, using microcontrollers. Almost graduated in Control and Automation Engineering.

Hi sparrowJr,As said before, windows are commonly used when you process data in frequency domain.Delay lines can be implemented with simple buffering in time domain....

Re: THD estimation: FFT vs Periodogram

Reply posted 6 years ago (06/27/2018)
Hi all,I've found the difference between my methodology and Matlab implementation. Matlab uses a modified periodogram, which is quite different from a periodogram...

Re: THD estimation: FFT vs Periodogram

Reply posted 6 years ago (06/24/2018)
Ok, I understand. But Matlab THD, also my implementation, only consider harmonics. Both methods are selective in frequency domain.

Re: THD estimation: FFT vs Periodogram

Reply posted 6 years ago (06/21/2018)
Hi,I've explained above. Take a lookif you can, there is a better explanation of my problem now.

Re: THD estimation: FFT vs Periodogram

Reply posted 6 years ago (06/21/2018)
Maybe I'm missing something. I "thought" that a periodogram "was equivalent to" an FFT for "properly sampled data". So, periodogram should not enter into the...

THD estimation: FFT vs Periodogram

New thread started 6 years ago
Hi all.I think that maybe this question is too simple, but some explanation could give me a huge help.I am working in an simple method review, witch aims to comply...

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