imap_processing.idex.idex_l2a.calculate_snr

imap_processing.idex.idex_l2a.calculate_snr(tof_high: DataArray, hs_time: DataArray) → NDArray

Calculate the signal-to-noise ratio.

Parameters:

• tof_high (xarray.DataArray) – The time of flight array.

• hs_time (xarray.DataArray) – The high sampling time array.

Returns:

Signal-to-noise ratio at each event.

Return type:

numpy.ndarray