期刊文献+

EM算法在杂波环境下机动目标跟踪中的应用研究 被引量:1

Study of Application EM Algorithm on Tracking Maneuvering Targets with Clutter
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摘要 EM(Expectation-Maximization)作为一种迭代求解非完备数据条件下极大似然(后验)参数估计问题的方法,在目标跟踪领域主要应用于被动跟踪及实时性要求不高的目标环境.该文推广了L.A.Johnston的理论成果,推导得出了一种基于AECM(Alternative Expectation ConditionMaximization)方法的杂波环境下实时机动目标跟踪箅法,算法中后验模型概率与关联概率由隐马尔科夫模型滤波计算得到.仿真计算表明,所提算法跟踪精度与IMM-PDA性能相当,算法是有效的.
出处 《电子与信息学报》 EI CSCD 北大核心 2004年第6期971-978,共8页 Journal of Electronics & Information Technology
基金 国防重点实验室基金
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参考文献8

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共引文献24

同被引文献10

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