回波幅度信息辅助的群目标航迹起始方法

靳标; 李聪; 张贞凯

doi:10.12000/JR19088

回波幅度信息辅助的群目标航迹起始方法

DOI: 10.12000/JR19088

靳标^1, ,,
李聪^2,,
张贞凯^1,

1.
江苏科技大学电子信息学院镇江 212003
2.
西安交通大学电子与信息工程学院西安 710049

基金项目: 国家自然科学基金(61701416, 61871203)，中国博士后科学基金(2017M613214)

详细信息

作者简介:
靳　标(1986–)，男，山西翼城人，博士，江苏科技大学电信学院副教授，研究方向为雷达信号检测与目标跟踪，认知雷达发射波形设计等。E-mail: biaojin@just.edu.cn

李　聪(1994–)，男，河北唐山人。现为西安交通大学电子与信息学部硕士研究生。主要研究方向为阵列信号处理，智能天线系统。E-mail: a1870692245@163.com

张贞凯(1982–)，男，江苏徐州人，博士，副教授，2013年在南京航空航天大学电子信息工程学院获得博士学位，现担任江苏科技大学电子信息学院副教授，主要研究方向为雷达通信一体化技术、雷达信号处理、水下目标定位等研究，目前已发表论文78篇。E-mail: zhangzhenkai@just.edu.cn

通讯作者:
靳标 biaojin@just.edu.cn

责任主编：王海鹏 Corresponding Editor: WANG Haipeng
中图分类号: TN957.52
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出版历程
- 收稿日期: 2019-09-27
- 修回日期: 2019-12-17
- 网络出版日期: 2020-08-28

Group Target Track Initiation Method Aided by Echo Amplitude Information

JIN Biao^{1
, ,},
LI Cong^2
,,
ZHANG Zhenkai^1
,

1.
College of Electronics Information, Jiangsu University of Science and Technology, Zhenjiang 212003, China
2.
The School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Funds: The National Natural Science Foundation of China (61701416, 61871203), The Project funded by China Postdoctoral Science Foundation (2017M613214)

More Information

Corresponding author: JIN Biao, biaojin@just.edu.cn

摘要

摘要: 航迹起始是群目标跟踪的首要环节，其性能好坏直接影响着目标跟踪航迹的质量。传统的群目标航迹起始方法仅利用目标的位置信息完成分群检测和等效量测求解等步骤，没有充分利用回波幅度信息，存在分群检测不理想、等效量测求解不准确等问题，有可能引起失跟现象。针对此问题，该文提出一种回波幅度信息辅助的群目标航迹起始方法。首先利用目标位置信息和幅度信息完成分群检测，然后综合采用幅度加权和位置加权求解等效量测，最后基于修正的逻辑法进行群目标航迹起始。该文方法在分群检测和求解等效量测等步骤充分利用了回波幅度信息，不仅可以在集群数量未知的情况下正确划分群，而且降低了失跟率，提高了群目标的跟踪性能。仿真结果验证了所提方法的有效性。
- 目标跟踪 /
- 群目标 /
- 航迹起始 /
- 幅度信息 /
- 聚类
Abstract: Track initiation is the first important step in group target tracking, and it has a direct effect on the quality of the overall procedure. Traditional radar target tracking methods only utilize information about the target position to detect group numbers, but they do not use information relating to echo amplitude. Tracks are thus easily lost, as the numbers of detected groups and equivalent measurements are inaccurate. This paper proposes a group target track initiation method aided by echo amplitude information to ameliorate these problems. In this respect, target position and echo amplitude information is used to detect the number of target groups, and equivalent measurements are then computed using amplitude weighting and position weighting. Echo amplitude information is employed in the step of detecting group target numbers and computing the equivalent measurements, and group target tracks are subsequently initialized using the modified logic method. The proposed method can be used to correctly detect the number of target groups when the number is previously unknown. Furthermore, the method reduces the rate of track loss and improves the performance of group target tracking. The effectiveness of the proposed method is validated by the simulation results.
- Target tracking /
- Group target /
- Track initiation /
- Amplitude information /
- Cluster

HTML全文

图 1 昆虫种群空间密度分布场景

Figure 1. Spatial density distribution of insect population

下载: 全尺寸图片幻灯片

图 2 本文算法的流程

Figure 2. The flow of the algorithm in this paper

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图 3 分群检测的具体流程

Figure 3. The specific process of cluster detection

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图 4 量测点迹空间分布

Figure 4. The spatial distribution of measuring point trace

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图 5 基于位置信息的分群结果

Figure 5. The clustering result based on location information

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图 6 幅度信息辅助的分群结果

Figure 6. The clustering result aided by echo amplitude information

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图 7 等效量测对比

Figure 7. Equivalent measurement comparison

下载: 全尺寸图片幻灯片

图 8 不同权值大小时的起始航迹对比

Figure 8. Comparison of initial tracks with different weights

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表 1 幅度、距离不同权值下航迹起始成功率

Table 1. The success rate of track start under different weights of amplitude and distance

$\alpha = 0.8, \beta = 0.2$ $\alpha = 0.5, \beta = 0.5$ $\alpha = 0.2, \beta = 0.8$ $\alpha = 0.1, \beta = 0.9$ $\alpha = 0, {\rm{}}\beta = 1.0$

航迹起始成功率(%) 80 93 98 95 89

下载: 导出CSV

参考文献(20)

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文章访问数: 3154
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回波幅度信息辅助的群目标航迹起始方法

DOI: 10.12000/JR19088

通讯作者:
靳标 biaojin@just.edu.cn

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Group Target Track Initiation Method Aided by Echo Amplitude Information

Corresponding author: JIN Biao, biaojin@just.edu.cn

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	$\alpha = 0.8, \beta = 0.2$	$\alpha = 0.5, \beta = 0.5$	$\alpha = 0.2, \beta = 0.8$	$\alpha = 0.1, \beta = 0.9$	$\alpha = 0, {\rm{}}\beta = 1.0$
航迹起始成功率(%)	80	93	98	95	89

回波幅度信息辅助的群目标航迹起始方法

DOI: 10.12000/JR19088

通讯作者: 靳标 biaojin@just.edu.cn

计量

出版历程

Group Target Track Initiation Method Aided by Echo Amplitude Information

Corresponding author: JIN Biao, biaojin@just.edu.cn

计量

出版历程

目录

期刊介绍

联系我们

通讯作者:
靳标 biaojin@just.edu.cn