ifft

ska_sdp_exec_swiftly.fourier_transform.fourier_algorithm.ifft(a, axis)

Fourier transformation from grid to image space, along a given axis. (inverse Fourier transform)

Parameters:

• a – numpy array, 1D or 2D (uv grid to transform)

• axis – int; axes over which to calculate

Returns:

numpy array (an image in lm coordinate space)