imap_processing.swe.l1b.swe_l1b.find_cycle_starts

imap_processing.swe.l1b.swe_l1b.find_cycle_starts(cycles: ndarray) → ndarray[tuple[int, ...], dtype[_ScalarType_co]]

Find index of where new cycle started.

Brandon Stone helped developed this algorithm.

Parameters:

cycles (numpy.ndarray) – Array that contains quarter cycle information.

Returns:

first_quarter_indices – Array of indices of start cycle.

Return type:

numpy.ndarray