Fourier transform of the field result of field index.
Parameters
Name
Type
Description
Default
mb_solve
MBSolve
An MBSolve object.
required
field_idx
int
Field to return FFT of.
required
window
str | None
Optional SciPy window name (e.g. 'hann', 'blackman') applied to the time axis before the FFT to reduce spectral leakage. None (default) applies no windowing and does not change the result.
None
Returns
Name
Type
Description
np.ndarray
Array[num_z_steps, num_t_steps] Field result in frequency domain.