Abstract
To solve the problem of space targets' trajectory and attitude data generation in system simulation, the characteristics of various types of ballistic missiles and their midcourse targets are analyzed deeply. The baseline ballistic is divided into four types and design methods are given respectively, based on which multiple independently reentry vehicle (MIRV) ballistic design method is established. This method doesn't need preparations and simplifies the system simulation. In addition, an attitude data generation method according to micro-motion characteristic quantity is proposed in order to simulate midcourse target's micro-motion. This method doesn't require numerical integral and speeds up the computation. Simulation results show that four types of baseline trajectory and MIRV trajectory that can accurately hit the target are generated in ten seconds. In addition, the attitude data can reflect the micro-motion characteristic, and the time for data generation is short. This method can meet the requirements of system simulation.
Highlights
IET Signal Processing, 2008, 2 (3) : 291⁃300 [17] 许丹,田波,冯存前,等. 基于自适应融合的弹道目标空间位置重构[ J] . 北京航空航天大学学报,2017,43(6) :1216⁃1223 XU Dan, TIAN Bo, FENG Cunqian, et al Space Position Reconstruction of Ballistic Target Based on Adaptive Fusion[ J]
Journal of Northwestern Polytechnical University, 2016, 34(6) : 1101⁃1107 ( in Chinese) [19] 朱仁璋, 蒙薇, 胡锡婷
Summary
西北工业大学学报 Journal of Northwestern Polytechnical University https: / / doi.org / 10.1051 / jnwpu / 20193720378 方式并忽略再入段。 这样分导弹道的设计就简化为 经典 Lambert 问题[19] 。 G( ΔVx ,ΔVy ,ΔVz) = [ rbx - rfx ,rby - rfy ,rbz - rfz] T 由图 2 和图 3 可知:在 ΔT < ΔTm 时,ΔV 随 a 增 大先减小后增大;在 ΔT > ΔTm 时,ΔV 随 a 增大而单 调递增。 因此存在飞行时间 ΔTvmin 使 得 增 速 ΔV 最小
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