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一种基于“当前”统计模型的机动辐射源单站无源定位方法 被引量：2

A New Method Based on Current Statistical Model for a maneuvering target in the Single Observer Passive Location and Tracking
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摘要 针对采用非线性较强的脉冲到达时间差、观测角等参数的固定单站对机动运动辐射源无源定位跟踪系统,提出了一种用"当前"统计模型对角速度建模,利用UKF滤波进行滤波,跟踪机动辐射源的定位方法。同时对非线性定位系统的可观测性进行了分析,得到了与辐射源作匀速运动相同的可观测条件。仿真结果表明,本文提出算法对固定单站在角速度变化的机动运动无源定位中跟踪效果更佳。 In this paper,we present a new method that models the angular-velocity on the current statistical model and uses the UKF filter for a maneuvering target in the Single Observer Passive Location and Tracking （SOPLAT） system based on the observation of bearing and difference time of arrival of the emitter. And we analyze the observability conditions for the nonlinear system and obtain the same conclusions as the emitter in the constant speed condition. The simulations prove the better performance of the new method in the SOPLAT for a changing angular-velocity maneuvering target.
作者 李大治 辛勤 皇甫堪
机构地区 国防科技大学电子科学与工程学院 西南电子电信技术研究所
出处 《信号处理》 CSCD 北大核心 2008年第6期923-926,共4页 Journal of Signal Processing
关键词 单站无源定位跟踪系统 机动目标跟踪 “当前”统计模型 UKF 可观测性分析 SOPLAT maneuvering target tracking current statistical model UKF observability analysis
分类号 TN953 [电子电信—信号与信息处理] TN972.4 [电子电信—信号与信息处理]
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参考文献9

  • 1李宗华．无机动单站对运动辐射源的无源定位跟踪技术研究[D]．长沙：国防科学技术大学，2003．
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二级参考文献23

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共引文献53

同被引文献21

  • 1宋强,何友,杨俭.基于强跟踪滤波器的Jerk模型目标跟踪算法[J].海军航空工程学院学报,2007,22(3):329-332. 被引量：5
  • 2潘平俊,冯新喜,赵晓明.机动目标模型研究与发展综述[J].指挥控制与仿真,2006,28(3):12-15. 被引量：20
  • 3范小军,刘锋,秦勇,张军.基于STF的“当前”统计模型及自适应跟踪算法[J].电子学报,2006,34(6):981-984. 被引量：46
  • 4李大治,李刚,辛勤,皇甫堪.一种基于Jerk模型的机动目标单站无源定位算法[J].国防科技大学学报,2007,29(4):82-86. 被引量：2
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引证文献2

二级引证文献13

信号处理
2008年 第6期

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