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说明：   当前对机动目标跟踪的算法研究主要集中在交互式多模型((IMM)算法，它己被证明是目前混合系统估计算法中性价比最好的算法。(Maneuvering target tracking algorithm research focuses on the interacting multiple model ((IMM) algorithm, which has proved to be the best cost-effective algorithm in the current hybrid system estimation algorithm.)