双观测站水下纯方位多目标跟踪的数据关联算法

苏 骏; 李亚安; 陈 晓; 赵振轶

doi:10.11993/j.issn.2096-3920.2018.02.003

双观测站水下纯方位多目标跟踪的数据关联算法

doi: 10.11993/j.issn.2096-3920.2018.02.003

西北工业大学航海学院, 陕西西安, 710072

基金项目: 国家自然基金“超低信噪比水下目标信号的混沌阵子检测方法研究”项目资助(11574250)

详细信息

作者简介:
苏骏(1990-), 男, 在读博士, 研究方向为水下目标跟踪.

中图分类号: TJ630.34; TB566
计量
- 文章访问数: 1519
- HTML全文浏览量: 28
- PDF下载量: 435
- 被引次数: 0
出版历程
- 收稿日期: 2018-02-07
- 修回日期: 2017-03-07
- 刊出日期: 2018-05-08

Data Association Algorithm for Multi-target Tracking of Underwater Bearings-only Systems with Double Observation Stations

School of Marine Science and Technology, Northwestern Polytechnical University, Xin’an 710072, China

摘要

摘要: 针对双观测站纯方位系统在定位多个目标时, 产生的大量虚假定位点使得量测数据依据目标数量和虚假量测数量都呈平方倍数增长的问题, 文中在最近邻域法(NNF)的基础上增加了一组事件, 考虑了跟踪门内不存在有效量测的情况, 改进得出修正最近邻域法(MNNF); 简化了联合概率数据互联算法(JPDA)的计算步骤, 对公共区域中的量测统一做弱加权, 提出了修正概率数据关联算法(MPDA), 并对以上方法做了仿真及比较。结果表明, 利用该2种方法在双观测站纯方位系统存在“鬼点”的情况下有较为理想的估计结果, 并且MPDA算法的效果明显优于MNNF算法, 可有效跟踪目标。
- 水下多目标跟踪 /
- 纯方位 /
- 数据关联 /
- 双观测站
Abstract: The bearings-only system with double observation stations generates a mass of false-location while locating multiple targets, which result in squared growth in the number of target measurement data and the number of false measurements. To solve this problem, this paper proposes modified nearest neighbor filter(MNNF) by adding a set of events according to nearest neighbor filter(NNF) with consideration of the fact that there is no effective measurement in the tracking gate. Then a modified probabilistic data association(MPDA) algorithm is also proposed by simplifying the calculation procedure of the joint probabilistic data association(JPDA) algorithm and weakly weighting all of the measurements in common area. Simulation is conducted to compare MPDA and MNNF, and the results show that both algorithms can help obtain satisfactory estimation result in the existence of “ghost points” in the bearings-only system with double observation stations, but MPDA performs obviously better than MNNF.
- underwater multi-target tracking /
- bearings-only /
- data association /
- double observation stations

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参考文献(19)

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