由于具有高速、机动及弱小等显著特点,导致临近空间高超声速目标跟踪困难。首先分析了临近空间高超声速目标的特性,然后综述了临空高超声速目标跟踪中目标运动建模、滤波跟踪算法的研究现状,指出了这类目标跟踪存在的问题。最后分析了特征辅助跟踪技术在临空高超声速目标跟踪中的可行性,并提出了基于特征辅助的临近空间高超声速目标跟踪研究中的关键技术。 Due to its remarkable characteristics of high speed, maneuvering and weakness, it is difficult to track hypersonic targets in nearby space. Firstly, the characteristics of hypersonic targets near space are analyzed. Then the research status of target motion modeling and filter tracking algorithms in hypersonic target tracking is summarized, and the problems existing in such target tracking are pointed out. Finally, the feasibility of the feature-based tracking in the hypersonic target tracking is analyzed, and the key technologies in the target tracking of the near-space hypersonic based on feature-assist are proposed.