calcStampPowerSpectrum

lsst.ts.wep.utils.calcStampPowerSpectrum(image)

Calculate the power spectrum of the stamp image.

Parameters:

image (np.ndarray) – Array of stamp image

Return type:

tuple[ndarray, ndarray]

Returns:

• np.ndarray – Array of Fourier modes k (technically |k|)

• np.ndarray – Power at each mode k