[FieldTrip] A shifting power peak artefact

[Ivaylo Iotchev]

Dankje wel!

Am Do., 8. Dez. 2022 um 10:00 Uhr schrieb Schoffelen, J.M. (Jan Mathijs)
via fieldtrip <fieldtrip at science.ru.nl>:

> Hi Ivo,
>
> See: https://www.fieldtriptoolbox.org/faq/why_largest_peak_spectrum/, and
> https://www.fieldtriptoolbox.org/faq/why_does_my_tfr_look_strange/
>
> Best wishes,
> Jan-Mathijs
>
>
>
>
> On 7 Dec 2022, at 14:40, Ivaylo Iotchev via fieldtrip <
> fieldtrip at science.ru.nl> wrote:
>
> Dear community,
>
> I want to rephrase one of my questions without first emphasizing my own
> theory of what is going on this time... what could cause the largest peak
> in the data to invariantly be at the frequency which is 1/segment length?
> That is, the peak is at 2 Hz when the segments are 0.5 seconds long... at 1
> Hz when the segment is 1 second long etc. ...
>
> I previously hypothesized that something might be preventing Fieldtrip
> from reading the sampling rate out of our data, but feel free to think
> outside the box I offer you, much appreciated, thanks in advance!
>
> Bests,
>
> Dr. Ivaylo (Ivo) Iotchev
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