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在空间目标编目管理工作中,工作人员有时会对雷达通过扫描屏捕获的新目标进行重点关注,并希望尽快建立目标的精密轨道根数。文中基于相控阵雷达灵活的波束调度能力,结合空间目标轨道预报误差特性,提出了一种快速建立目标精密轨道根数的方法。该方法利用新目标初轨根数进行轨道预报,根据预报结果通过合理设置特殊拦截屏的方式来快速捕获目标并获取目标航迹,再通过精密轨道改进获得目标精密轨道参数。仿真分析验证了该方法的正确性及可行性。
In the management of space object cataloging, staff sometimes focus on the new radar target captured by the screen and hope to establish the target precise orbit number as soon as possible. In this paper, based on the flexible beamforming ability of phased array radar and the error characteristics of space target orbit prediction, a method of quickly establishing the target precise orbit number is proposed. In this method, the orbit of the new target initial orbit number is used to predict the orbit. According to the prediction results, the target can be quickly captured and the target precise orbit can be obtained through the reasonable orbital setting of special interception screen. Simulation analysis verifies the correctness and feasibility of the method.