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11.10.4. astroML.fourier.wavelet_PSD

astroML.fourier.wavelet_PSD(t, h, f0, Q=1.0)[source]

Compute the wavelet PSD as a function of f0 and t

Parameters :

t : array_like

array of times, length N

h : array_like

array of observed values, length N

f0 : array_like

array of candidate frequencies, length Nf

Q : float

Q-parameter for wavelet

Returns :

PSD : ndarray

The 2-dimensional PSD, of shape (Nf, N), corresponding with frequencies f0 and times t.