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根据分层媒质理论[1]和图形电磁学理论[2]，得到并验证了一种新的分析和计算座舱RCS的方法低RCS座舱罩表面的散射场利用图形电磁学计算方法（GRECO）求解，其中边缘效应利用增量长度ILDC方法估算；舱内结构散射分析，应用分层媒质理论得到介质舱罩反射系数和传输系数，同时采用能量分布调制和随机相位加权的方法计算舱内结构散射；在本文的最后给出了数据分析结果
A new method for analyzing and calculating cockpit RCS is obtained and verified according to the layered media theory [1] and the electromagnetism theory [2]. The scattering field on the surface of low RCS canopy is solved by Graphical Electromagnetism Computation (GRECO) , And the edge effect is estimated by incremental length ILDC method. The scattering of in-tank structure is analyzed, the reflection coefficient and transmission coefficient of the media capsule are obtained by using layered media theory, and the scattering of in-plane structure is calculated by energy distribution modulation and random phase weighting. At the end of this paper, the data analysis results are given