制导误差分离中环境函数矩阵的精确计算方法

Precise Calculating Methods for Circumstance Function Matrix in the Guidance Instrumental Error Separation

主要讨论了制导工具误差分离中环境函数矩阵的精确计算问题。环境函数矩阵的计算精度对制导工具误差分离精度有重要影响。提出了2种精确计算环境函数矩阵的方法，用六自由度弹道仿真程序验证了2种方法的有效性。

The problem how to calculate accurately the circumstance function matrix is discussed. The calculating accuracy of the circumstance function matrix greatly affects separation accuracy of the guidance instrumental systematic error. Then two precise calculating methods for the circumstance function matrix are presented. The validity of the two methods is confirmed by six-freedom ballistic simulation.