点-航迹质量评估的联合目标检测跟踪方法

doi:10.3969/j.issn.1009-086x.2018.04.019

现代防御技术 ›› 2018, Vol. 46 ›› Issue (4): 120-126.DOI: 10.3969/j.issn.1009-086x.2018.04.019

点-航迹质量评估的联合目标检测跟踪方法

张玉涛¹, 周希辰², 匡华星³, 夏永红³

1.南京信息工程大学电子与信息工程学院,江苏南京 210044;
2.中国舰船研究院,北京 100101;
3.中国船舶重工集团公司第七二四研究所,江苏南京 211106

收稿日期:2017-09-12 修回日期:2017-11-23 出版日期:2018-08-30 发布日期:2020-11-25
作者简介:张玉涛(1994-),男,河南商丘人。硕士生,主要研究方向为雷达信息处理。通信地址:211106 江苏省南京市江宁区水阁路长青街30号 E-mail:zhangyutao566@163.com

Joint Target Detection and Tracking Method Based on Plot-Track Quality Evaluation

ZHANG Yu-tao¹, ZHOU Xi-chen², KUANG Hua-xing³, XIA Yong-hong³

1. Nanjing University of Information Science & Technology,College of Electrics and Information Engineering,Jiangsu Nanjing 210044,China;
2. China Ship Research and Development Academy,Beijing 100101,China;
3. No.724 Research Institute of CSIC,Jiangsu Nanjing 211106,China

Received:2017-09-12 Revised:2017-11-23 Online:2018-08-30 Published:2020-11-25

摘要/Abstract

摘要： 针对复杂背景下微弱目标的检测和跟踪问题,提出了一种基于点-航迹质量评估的动态规划方法。该方法在雷达传统的检测跟踪结构的基础上,结合雷达真实目标回波特性和目标的运动规律,在单周期内,根据目标的回波特性提出点迹质量的概念,在进行点迹凝聚处理的同时计算点迹质量的大小;在多周期间,根据目标的运动规律对目标的位置进行外推估计,根据估计值与量测值之间的欧式距离和方位差设计一个置信因子并结合点迹质量来改进航迹指标函数。仿真验证结果表明,该方法能够有效地消除伪航迹,计算量较小,能够提高复杂背景下雷达对微弱目标的检测和跟踪性能,并且结构简单,在工程上易于实现。

关键词: 检测前跟踪, 动态规划, 点迹质量, 置信因子, 指标函数, 状态转移

Abstract: Aiming at the problem of detection and tracking of weak target under the complex environment, a dynamic programming method based on plot-track quality evaluation is proposed. The method combines the true echo characteristics of the target and the motion law of the target based on the traditional detection and tracking structure. In a single cycle, the concept of plot quality is put forward according to the target echo characteristics; during the cycle, according to the motion law of target, the possible target state is estimated. According to the Euclidean distance and azimuth equation between state estimation and measurement, a confidence factor is used to improve the indicator function combined with the plot quality. Simulation results show that the method can effectively eliminate the fake trajectory, reduce the calculation, enhance the probability of detecting radar weak target; and its structure is simple, easy to achieve in project.

Key words: track before detect, dynamic programming, plot quality, confidence factors, indicator function, state transfer

中图分类号:

张玉涛, 周希辰, 匡华星, 夏永红. 点-航迹质量评估的联合目标检测跟踪方法[J]. 现代防御技术, 2018, 46(4): 120-126.

ZHANG Yu-tao, ZHOU Xi-chen, KUANG Hua-xing, XIA Yong-hong. Joint Target Detection and Tracking Method Based on Plot-Track Quality Evaluation[J]. Modern Defense Technology, 2018, 46(4): 120-126.

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点-航迹质量评估的联合目标检测跟踪方法

Joint Target Detection and Tracking Method Based on Plot-Track Quality Evaluation

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