eelbrain.psd_welch¶
-
eelbrain.
psd_welch
(ndvar, fmin=0, fmax=inf, n_fft=256, n_overlap=0, n_per_seg=None)¶ Power spectral density with Welch’s method
Parameters: - ndvar : NDVar (…, time, …)
Data with time dimension.
- fmin : scalar
Lower bound of the frequencies of interest.
- fmax : scalar
Upper bound of the frequencies of interest.
- n_fft : int
Length of the FFT in samples (default 256).
- n_overlap : int
Overlap between segments in samples (default 0).
- n_per_seg : int | None
Length of each Welch segment in samples. Smaller
n_per_seg
result in smoother PSD estimates (defaultn_fft
).
Returns: - psd : NDVar (…, frequency)
Power spectral density.
Notes
Uses
mne.time_frequency.psd_array_welch()
implementation.