The reflection and transmission coefficient matrix method (RTCM) is also used to save the computation time and overcome numerical values instability brought by the added layers.

• 在对多分层光栅的递推计算中,采用反射透射系数阵算法(RTCM),以便克服由于层与层之间厚度变大所带来的数值不稳定性,同时提高计算速度。