一种基于扩展模型的隐身目标检测前跟踪方法
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(1. 海军航空工程学院信息融合研究所,山东 烟台 264001;2. 海军航空工程学院训练部,山东 烟台 264001;3. 91049部队,山东 青岛 266103)

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TN953

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A Method of Stealthy Target Track-Before -Detect Based on Extended Model
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(1. Naval Aeronautical and Astronautical University, Institute of Information Fusion, Yantai Shandong 264001, China;2. Naval Aeronautical and Astronautical University, Department of Training, Yantai Shandong 264001, China; 3. The 91049th Unit of PLA, Qingdao Shandong 266103, China)

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    摘要:

    现有的检测前跟踪算法对高分辨雷达隐身目标模型适应性不强,从而容易导致跟踪发散。针对该问题,把粒子滤波与检测前跟踪算法相结合应用于扩展隐身目标的检测跟踪,提出了一种隐身目标扩展模型检测前跟踪方法。首先,采用扩展模型对目标的扩展属性进行假设检验,从而判断目标是否为扩展目标;然后,把目标扩展长度引入状态向量,进行基于扩展模型的隐身目标检测前跟踪(Track-before-detect,TBD),克服粒子滤波易发散的不足,实现对目标空间长度的估计。仿真结果表明,该算法能够准确判断目标的扩展属性并进行有效的检测跟踪。

    Abstract:

    Divergence may occur in stealthy target tracking for high-resolution radar, and the current methods cannot well adjust to the extended target model. To solve the problems, particle filter, based on the idea of joint detection and tracking, was used to track and detect the stealthy extended target. Firstly, an extended target hypothesis testing model was presented, which was used to identify the properties of targets. Secondly, the target length was introduced into the state vector, and then the extended model based Track-before-detect (TBD) was used to track and detect the target. Finally the target length was estimated while the detection decision was made at the end of the processing chain. Simulation results illustrated the effectiveness of this method.

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引用本文

于洪波,曹倩,杨志刚.一种基于扩展模型的隐身目标检测前跟踪方法[J].海军航空大学学报,2014,29(6):569-574
YU Hong-bo, CAO Qian, YANG Zhi-gang. A Method of Stealthy Target Track-Before -Detect Based on Extended Model[J]. JOURNAL OF NAVAL AVIATION UNIVERSITY,2014,29(6):569-574

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  • 在线发布日期: 2015-04-08
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