create_prolate_spheroidal_kernel

create_prolate_spheroidal_kernel(oversampling, support, n_uv)[source]

Create PSWF to serve as gridding kernel

Parameters
  • oversampling (int) – oversampling//2 is the index of the zero value of the oversampling value

  • support (int) – support//2 is the index of the zero value of the support values

  • n_uv (int array) – (2) number of pixels in u,v space

Returns

  • kernel (numpy.ndarray)

  • kernel_image (numpy.ndarray)