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中文摘要：
针对弹道导弹突防过程中的有源假目标欺骗干扰,提出了基于轨道根数时不变特性的有源假目标识别方法,并分析了雷达布站对有源假目标识别的影响.基于二体运动的轨道可逆性原理,提出了逆轨道滤波估计轨道根数的方法,消除了滤波初始误差.仿真结果验证了本文所提方法的有效性和可行性.
英文摘要：
A new method to identify active decoys from ballistic targets in the course of ballistic missile penetration is pro-posed based on the time invariant of orbital elements, while the effects of radar placement upon the identification are analyzed as well. And a novel approach named Inverse Track F＇tlter （ITF） based on the principle of kinetic track reciprocity of two bodies is put forward to decrease the initial error and shorten the convergence time. Simulations are presented to verify the effectiveness and feasibility of the proposed methods.
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