ska_ost_senscalc.mid.service

The service layer is responsible for turning validated inputs into the relevant calculation inputs, calling any calculation functions and collating the results.

class ska_ost_senscalc.mid.service.WeightingResponse

WeightingResponse is a typed dictionary constrained to match the schema of the main result of a weighting endpoint query.

ska_ost_senscalc.mid.service.get_calculate_response(params)

Using the parameters of the query return the appropriate values for the calculation.

ska_ost_senscalc.mid.service.get_subarray_response()

return the appropriate subarray objects

ska_ost_senscalc.mid.service.get_subbands(n_subbands, obs_freq, bandwidth)

Function to get the centres (and common width) of the N subbands of bandwidth

Parameters:

• n_subbands (int) – Number of subbands

• obs_freq (float) – Frequency

• bandwidth (float) – Bandwidth

Returns:

A list of frequency centres for the subbands and the subband width

Return type:

Tuple(List, float)

ska_ost_senscalc.mid.service.get_weighting_response(user_input: dict) → WeightingResponse

Using the parameters of the query return the appropriate values for weighting correction factor, synthesized-beam-sensitivity factor and beam shape.

Raises:

- None –