【摘要】 提出飞行器根据自身RCS分布特征,在雷达威胁完全覆盖防区时进行突防的三维航迹规划方法。将飞行器在三维空间中的运动分解为水平平面和垂直平面内的运动,简化飞行器RCS分布特征为蝴蝶结形分布,根据雷达探测目标信噪比大小提出多威胁情况下快速判断最具威胁雷达的方法,采用启发式A~*算法得到突防航迹。最后对比分析采用固定RCS和分布RCS的飞行器所得突防航迹,结果表明采用分布RCS的航迹安全性更高。更多还原

【Abstract】 A new 3-D path planning method in region fully covered by radar detection is given according to aeroplane’s radar cross section (RCS) distribution characters. The motion in 3-D is decomposed to the motion in horizontal and the motion in vertical. And the complicated RCS distribution of aeroplane is simplified to "bow-tie" model,a method is proposed to judge the most dangerous radar in multiple radar threats quickly by Signal-to-noise ratio( SNR) of target to different radars and the final penetration path is achieved by heuristic A star algorithm. By the comparison of the path with fixed RCS and the path with various RCS distribution, the path obtained with various RCS distribution has more security than the path with fixed RCS.更多还原