基于距离平移相关的空间密集群目标航迹起始算法研究

A Study on Track Initiation Algorithm for Space Dense Group Targets Based on Correlation Method with Distance Shift

雷达探测空间目标时,当目标发生解体时会产生大量的雷达可探测目标。解体发生后短时间内,这些目标分布密集,在角度上不可分辨,雷达捕获跟踪过程中容易误关联,导致虚假航迹多,跟踪不稳定等问题。基于雷达距离分辨率高以及目标短时间内相对位置稳定的特点,提出了一种采用距离平移整体相关的点迹关联航迹起始方法,通过仿真表明,该方法很大程度上改善了空间密集群目标场景下的跟踪性能。

A breakup event may produce large number of detectable targets for radar while tracking a space object. In a short time after the event, the breakups will stay close and keep unresolvable in radar angles which make great difficulties for target correlation and tracking, and false or unstable tracks frequently occurs during this time. In order to deal with the problem, a correction algorithm based on distance shift is proposed, simulation shows that it greatly improves the tracking results for space dense targets.