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为满足弹道导弹作战对战场时空快速精确协同的需求,采用先判断弹下点轨迹的交点,后解算空间交叉点的方法,建立了弹道空间交点的快速计算模型,其中,弹下点轨迹交点的判断采用球面解析几何的方法,弹道空间交点的解算采用步长加速法。模型有效地解决了满足战场时空规划需求的弹道空间交点快速计算问题。算例表明上述方法在计算准确度和计算效率方面均能满足要求,具有重要的工程应用价值。
In order to meet the requirement of space-time precise and precise coordination of ballistic missile operations on the battlefield, a fast calculation model for the intersection of trajectory space is established by first judging the intersection point of the trajectory of the projectile point and then solving the space intersection point. The method of using spherical analytic geometry to determine the intersection of ballistic space using step-by-step acceleration method. The model effectively solves the problem of fast calculation of the intersection points in the trajectory space that meets the requirements of battlefield space-time planning. The examples show that the above methods can meet the requirements both in calculation accuracy and computational efficiency, and have important engineering application value.