| 多普勒辅助测量IMM-PF机动目标跟踪 |
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| 引用本文： | 蒋蔚,伊国兴,曾庆双.多普勒辅助测量IMM-PF机动目标跟踪[J].宇航学报,2011,32(2). |
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| 作者姓名： | 蒋蔚 伊国兴 曾庆双 |
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| 作者单位： | 哈尔滨工业大学航天学院,哈尔滨,150001 |
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| 基金项目： | "十一五"国防预研项目 |
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| 摘 要： | 针对机动目标跟踪问题,提出了一种辅助多普勒测量的交互多模型粒子滤波算法.该算法利用粒子滤波解决系统观测与目标状态之间的非线性问题,并辅助多普勒测量信息在线估计目标角速率,作为目标转弯模型的参数.采用两个可内部切换的运动模型(常速度/逆时针转弯模型、常速度/顺时针转弯模型)作为交互模型,有效地描述了目标机动并减少了模型个数,进一步提高了算法的效率.对一个以不同角速率多次转弯的机动目标进行跟踪仿真,结果验证了算法的可行性和优越性.
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| 关 键 词： | 多普勒测量 粒子滤波 交互多模型 机动目标跟踪 |
Maneuvering Target Tracking Using IMM-PF with Doppler-Aided Measurement |
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| JIANG Wei,YI Guo-xing,ZENG Qing-shuang.Maneuvering Target Tracking Using IMM-PF with Doppler-Aided Measurement[J].Journal of Astronautics,2011,32(2). |
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| Authors: | JIANG Wei YI Guo-xing ZENG Qing-shuang |
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| Institution: | JIANG Wei,YI Guo-xing,ZENG Qing-shuang(School of Astronautics,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | To cope with the problem of maneuvering target tracking,an improved interactive multiple model particle filtering(IMM-PF) algorithm is proposed on the basis of Doppler-aided measurement.The algorithm adopts the PF to deal with the nonlinear relation of the measurements and states of target.The angular rate of the target used in the CT model is estimated by the Doppler-aided measurement on-line.The two switching model(CV/counter clockwise CT model and CV/clockwise CT model) are used as the interactive multip... |
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| Keywords: | Doppler measurement Particle filtering Interactive multiple model Maneuvering target tracking |
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