低空监视雷达“走-停-走”目标跟踪技术

徐开明; 王佰录; 李溯琪; 邓云凯; 王经鹤

doi:10.12000/JR21211

低空监视雷达“走-停-走”目标跟踪技术

DOI: 10.12000/JR21211

徐开明^{1, 2},
王佰录^3, ,,
李溯琪³,
邓云凯^{1, 2},
王经鹤¹

1.
中国科学院空天信息创新研究院北京 100094
2.
中国科学院大学电子电气与通信工程学院北京 100049
3.
重庆大学微电子与通信工程学院重庆 400044

基金项目: 国家自然科学基金(61901094)，中央高校基金(2021CDJJMRH-009)，重庆大学科研启动基金(02140011044134)

详细信息

作者简介:
徐开明(1987–)，男，博士，现为中国科学院空天信息创新研究院助理研究员。主要研究方向为相控阵动目标雷达信号处理与数据处理、相控阵雷达系统设计。曾获得部级科技进步一等奖两项。发表论文2篇，申请专利4篇

王佰录(1988–)，男，重庆大学博士后，意大利佛罗伦萨大学访问学者。2018年在电子科技大学信息与通信工程学院获得博士学位。主要研究方向为分布式多传感器信息融合、5G/6G基站定位技术、雷达微弱目标检测跟踪等

李溯琪(1990–)，女，博士生导师，重庆大学弘深青年学者教授，意大利佛罗伦萨大学访问学者，博士后创新人才计划入选者。主要研究方向为基于随机集的多目标跟踪技术、分布式多智能体协同探测与信息融合技术、5G/6G基站感知技术等

邓云凯(1962–)，男，中科院特聘研究员、博士生导师。长期从事星载成像雷达系统设计、成像基础理论及微波遥感理论研究，曾获得国家科技进步一等奖、国家技术发明二等奖等奖项

王经鹤(1991–)，女，博士。现为中国科学院空天信息创新研究院助理研究员。主要研究方向为相控阵雷达系统设计、雷达数据处理及目标检测跟踪

通讯作者:
王佰录 wangbailu@cqu.edu.cn

责任主编：陈小龙 Corresponding Editor: CHEN Xiaolong
中图分类号: TN953
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出版历程
- 收稿日期: 2021-12-30
- 修回日期: 2022-03-29
- 网络出版日期: 2022-04-25
- 刊出日期: 2022-06-28

Move-stop-move Target Tracking with Low-altitude Surveillance Radars

XU Kaiming^{1, 2},
WANG Bailu^{3
, ,},
LI Suqi³,
DENG Yunkai^{1, 2},
WANG Jinghe¹

1.
The Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
2.
The School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3.
School of Micro-electronics and Communication Engineering, Chongqing University, Chongqing 400044, China

Funds: The National Natural Science Foundation of China (61901094), The Fundamental Research Funds for the Central Universities (2021CDJJMRH-009), The Starting Research Fund from Chongqing University (02140011044134)

More Information

Corresponding author: WANG Bailu, wangbailu@cqu.edu.cn

摘要

摘要: 以旋翼无人机为代表的低空小目标常采用低速“走-停”策略或利用障碍物遮挡，躲避雷达追踪，对重要信息装备和战略要地进行点穴式打击或干扰。这类目标可多次消失-重返于雷达视域，称之“走-停-走”目标。若采用传统目标跟踪模型和算法处理这类目标，易导致目标身份不连续、航迹碎片化。该文在随机集理论框架下，基于标签多伯努利(LMB)滤波器，研究低空监视雷达“走-停-走”目标连续跟踪问题。为描述“走-停-走”目标多次往返于雷达视域的演化特性，首次引入第3类出生目标模型，即重生(RB)过程模型。首先，利用目标重返雷达视域前-后目标状态的空间位置和动力学参数关系，提出一种基于空域相关(SC)的RB过程；然后，基于SC-RB过程，在贝叶斯滤波框架下，设计了SC-RB-LMB滤波器算法，可实现多“走-停-走”目标连续稳健跟踪，维持航迹标签的连续性；最后，在典型低空监视场景下，通过仿真和实测数据验证了提出模型和算法的有效性和性能优势。
- 低空监视雷达 /
- “走-停-走”目标跟踪 /
- 随机集理论 /
- 重生过程模型 /
- 标签多伯努利滤波器
Abstract: Low-altitude small targets, represented by rotor unmanned aerial vehicles, always adopt slow move-and-stop strategy or employ an obstacle blocking strategy to avoid radar detection and conduct point-and-point strikes or interference on important information equipment and strategic bases. This type of target can appear and disappear from the radar Field of View (FoV) multiple times, thus, it is referred to as move-stop-move targets. Dealing with this type of target using traditional tracking models and algorithms can lead to discontinuities in target identity and track fragmentation. To this end, this study investigates the tracking problem of move-stop-move targets with the Labeled Multi-Bernoulli (LMB) filter based on random finite set statistics. To describe the evolution characteristics of multiple entries to the radar FoV, first, we introduce the third type of birth procedure, that is, the Re-Birth (RB) procedure. Specifically, based on the spatial and kinematic relationships between target states before and after returning to the radar FoV, a Spatial Correlation-based RB (SC-RB) procedure is proposed. Then, in the framework of Bayesian filtering, we derive the SC-RB-LMB filter with the proposed SC-RB model, which is capable of tracking move-stop-move targets continuously with its identity unchanged. In typical low-altitude surveillance scenarios, the effectiveness of the proposed model and algorithm is highlighted.
- Low-altitude surveillance radar /
- Move-stop-move target tracking /
- Random finite set statistics /
- Rebirth procedure model /
- LMB filter

HTML全文

图 1 “走-停-走”目标运动轨迹

Figure 1. Trajectories of move-stop-move targets

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图 2 多“走-停-走”目标状态转移过程

Figure 2. Markov transition of multiple move-stop-move targets

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图 3 死亡目标重生激活过程

Figure 3. The activation process of deaths

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图 4 SC-RB-LMB滤波器算法总体流程

Figure 4. The overall flow diagram of the SC-RB-LMB filter algorithm

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图 5 低空监视雷达传感器模型图

Figure 5. Sensor model of low-altitude surveillance radars

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图 6 雷达监视场景-3D视图多目标真实运动轨迹

Figure 6. The radar surveillance senario: 3D-ground truths

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图 7 单次蒙特卡洛实验2D目标航迹估计

Figure 7. 2D target track estimation for single Monte-Carlo experiment

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图 8 不同算法跟踪性能对比

Figure 8. Tracking performance comparison among different algorithms

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图 9 计算时间性能对比

Figure 9. Comparison of execution times

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图 10 不同杂波率下SC-RB-LMB跟踪性能对比

Figure 10. Tracking performance comparison of SC-RB-LMB filter under different clutter rates

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图 11 不同检测概率下SC-RB-LMB跟踪性能对比

Figure 11. Tracking performance comparison of SC-RB-LMB filter under different detection probabilities

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图 12 无人机长时间折返运动场景-跟踪性能对比

Figure 12. Long palindrome path of the UAV- tracking performance comparison

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图 13 无人机短时间折返运动场景-跟踪性能对比

Figure 13. Short palindrome path of the UAV- tracking performance comparison

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表 1 不同目标的出生时刻和死亡时刻

Table 1. Time of births and deaths for different targets

目标	出生帧数	死亡帧数	起始位置(m)	结束位置(m)	平均速度(m/s)
T1	1	250	(590,1000)	(–106,877)	(–20,–2)
T2	1	150	(–250,560)	(–95,1333)	(3.5,12)
T3	1	500	(–500,1200)	(–372,1368)	(18,0.5)
T4	200	350	(500,410)	(525,1878)	(0.2,18)
T5	151	500	(–500,1650)	(–530,430)	(–0.2,–18)
T6	200	350	(200,1210)	(208,630)	(0,20)
T7	151	500	(–300,800)	(340,1570)	(12,15)
T8	300	400	(42,1510)	(–400,1865)	(–17,18)
T9	351	500	(800,1600)	(–175,527)	(–12,–16)
T10	351	500	(–600,1650)	(890,610)	(18,–16)

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表 2 “走-停-走”目标停止期

Table 2. Stopping period of move-stop-move targets

目标	停止帧数
T1	66～73, 157～168
T3	43～51, 168～176, 310～322, 396～412, 448～450
T5	82～91
T6	70～83, 171～180, 300～309
T10	106～114

下载: 导出CSV

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