[Eeglablist] noise at 50, 70, and 80 Hz

Chao Han hanchao at udel.edu
Mon Oct 28 04:41:25 PDT 2019


Sampling rate = 250 Hz.

On Mon, Oct 28, 2019 at 5:58 AM СанитарЖеня <emasherov at yandex.ru> wrote:

> sample rate=?
>
> > Dear all,
> >
> > I plotted that channel spectra of my unfiltered continuous raw EEG data
> and
> > found the line noise at 60 Hz. But there are also spikes at 50, 70, and
> 80
> > Hz. I'm wondering what those noises might be. Thanks!
> > Here is a link to the plot:
> >
> https://docs.google.com/drawings/d/1LtkAMscOYzSH5f-r-0O0mweastJsFqyUZNhzclXb_EQ/edit?usp=sharing
> >
> > Best,
> > Chao
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