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 of any shape containing the transformed data.

Return type

array-like