[FieldTrip] Phase Information For PCC Beamformer
Schoffelen, J.M. (Jan Mathijs)
jan.schoffelen at donders.ru.nl
Thu Nov 1 08:51:05 CET 2018
If memory serves me well, but you may want to verify this in the code of ft_specest_mtmfft, the phase estimate is expressed relative to t=0 (considering the epoch’s time axis that is passed on to ft_specest_mtmfft).
> On 30 Oct 2018, at 17:05, Hesham ElShafei <hesham.elshafei at inserm.fr> wrote:
> Hello Fieldtrippers!
> So I am trying to do some whole brain connectivity analysis according to this tutorial: http://www.fieldtriptoolbox.org/tutorial/networkanalysis
> All is going fine :) I just would like to understand how the phase information is obtained using these options in ft_freqanalysis
> cfg.method = 'mtmfft';
> cfg.output = 'fourier';
> In other words , how is time incorporated in the computed phase values?
> In other other words, these phase values represent the signal at which time point?
> hope I was clear enough
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