pysteps.utils.spectral.remove_rain_norain_discontinuity

pysteps.utils.spectral.remove_rain_norain_discontinuity(R)

Function to remove the rain/no-rain discontinuity. It can be used before computing Fourier filters to reduce the artificial increase of power at high frequencies caused by the discontinuity.

Parameters:

R : array-like

Array of any shape to be transformed.

Returns:

R : array-like

Array of any shape containing the transformed data.