retrieval_noise

typhon.retrieval.oem.retrieval_noise(K, S_a, S_y, e_y)

Return the retrieval noise.

Parameters:

• K (np.array) – Simulated Jacobians.

• S_a (np.array) – A priori error covariance matrix.

• S_y (np.array) – Measurement covariance matrix.

• e_y (ndarray) – Total measurement error.

Returns:

Retrieval noise.

Return type:

ndarray