pysteps.utils.spectral.mean

pysteps.utils.spectral.mean(X, shape)

Compute the mean value of a two-dimensional array in the spectral domain.

Parameters:

• X (array_like) – A complex array representing the Fourier transform of a two-dimensional array.

• shape (tuple) – A two-element tuple specifying the shape of the original input array in the spatial domain.

Returns:

out – The mean value.

Return type:

float