calcStampPowerSpectrum

lsst.ts.wep.utils.calcStampPowerSpectrum(image: ndarray) → tuple[numpy.ndarray, numpy.ndarray]

Calculate the power spectrum of the stamp image.

Parameters

imagenp.ndarray

Array of stamp image

Returns

np.ndarray

Array of Fourier modes k (technically |k|)

np.ndarray

Power at each mode k