一种基于宽带雷达回波的航迹起始方法

宽带雷达回波能提供高距离分辨能力,有助于实现高精度目标跟踪。但高分辨导致的目标回波分裂效应和距离跨越效应给目标检测和关联提出严峻挑战。为此,提出一种基于层次聚类的宽带目标点迹凝聚方法,实现群目标场景下检测点迹的自适应凝聚。进一步地,提出了一种基于全局运动补偿的航迹起始方法,克服传统方法在宽带航迹起始过程中补偿效果差、航迹多分枝等缺陷。最后,采用群目标场景仿真验证了本文宽带点迹凝聚和航迹起始方法的有效性。

Track initiation method based on wideband radar echo

Wideband radar echoes may provide high range resolution capability and help to achieve high precision target tracking. However, the target splitting effect and migration through range cells caused by the high resolution capability may also pose severe challenges to target detection and correlation. For this reason, this paper proposes a method for wideband radar target points aggregation based on hierarchical clustering to realize the adaptive aggregation of detected points in clustering targets scenarios. Furthermore, this paper proposes a method for track initiation based on global motion compensation, which overcomes the disadvantages of the traditional method such as poor compensation effect and multiple branches of track during wideband track initiation. Finally, the effectiveness of wideband points aggregation and the track initiation method in this paper is verified by clustering targets scenario simulation.