分布式软目标雷达特性与感知技术述评

李健兵; 王雪松

doi:10.12000/JR20052

分布式软目标雷达特性与感知技术述评

DOI: 10.12000/JR20052

李健兵^,,
王雪松

国防科技大学电子科学学院电子信息系统复杂电磁环境效应国家重点实验室长沙 410073

基金项目: 国家自然科学基金(61771479, 61490649)，湖南省杰出青年基金(2018JJ1030)

详细信息

作者简介:
李健兵(1979–)，男，湖南邵东人，国防科技大学研究员、博导，湖南省杰青获得者，IEEE高级会员，中国电子学会高级会员、优秀科技工作者、电波传播分会委员、青年科学家俱乐部成员，全国百篇优秀博士学位论文提名、全军优秀博士学位论文获得者。担任IET The Journal of Engineering副主编，《雷达学报》、《雷达科学与技术》编委。主要研究方向为新体制雷达、空间信息获取与处理

王雪松(1972–)，男，内蒙古包头人，国防科技大学电子科学学院教授、博导、院长，国家杰青、国防卓青，中组部“求是”奖获得者，科技部“万人计划”领军人才，国家自然科学基金重大项目首席，军委科技委和装备发展部主题专家，全国百篇优博论文获得者。主要研究方向为极化雷达设计与信息处理、电子对抗、新体制雷达

通讯作者:
李健兵 jianbingli@nudt.edu.cn

责任主编：赵拥军 Corresponding Editor: ZHAO Yongjun
中图分类号: TN951
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出版历程
- 收稿日期: 2020-05-01
- 修回日期: 2020-06-21
- 网络出版日期: 2021-02-25

Review of Radar Characteristics and Sensing Technologies of Distributed Soft Target

LI Jianbing^,,
WANG Xuesong

State Key Laboratory of Complex Electromagnetic Environmental Effects on Electronics & Information System, College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China

Funds: The National Natural Science Foundation of China (61771479, 61490649), Hunan Outstanding Youth Fund (2018JJ1030)

More Information

Corresponding author: LI Jianbing, jianbingli@nudt.edu.cn

摘要

摘要: 分布式软目标是指分布范围较大、具有时变的空间分布或内部相对运动的非刚性目标或目标群，是当前雷达领域较为关注的一类目标，其特性与感知研究是一个多学科交叉的问题。为便于雷达科技工作者较好地理解相关技术，该文从正问题和逆问题两个角度，分连续型和离散型两种情况，对这类目标的运动、电磁散射/传输、雷达特征、探测与参数反演等技术的现状进行了梳理，并分析了发展趋势。以飞机尾流为例，对这类目标的雷达特性与感知技术进行了阐述，为相关雷达探测技术发展提供重要参考。
- 分布式软目标 /
- 激光雷达 /
- 微波雷达 /
- 雷达特性 /
- 参数反演 /
- 飞机尾流
Abstract: Distributed soft target refers to nonrigid target or a target group with wide distribution range, time-varying spatial distribution, or internal relative motion. This type of target is currently attracting considerable interest in the radar field, and the research on its radar characteristics and sensing technology is a typical interdisciplinary problem. To help the radar technicians better understand the related technologies, this study introduces the dynamics, scattering/transmission, radar characteristics, detection, and parameter retrieval of this type of target in continuous and discrete forms, as regards the positive and inverse problems. Considering the aircraft wake vortex as an example, the radar characteristics and sensing technology of this type of target are illustrated, which can serve as a good reference for the development of related radar detection technologies.
- Distributed soft target /
- Lidar /
- Radar /
- Radar characteristics /
- Parameter retrieval /
- Aircraft wake vortex

HTML全文

图 1 分布式软目标雷达特性与参数反演研究主要技术途径

Figure 1. Technical approaches for studying the radar characteristics and parameter retrieval of distributed soft target

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图 2 激光雷达Doppler散射机理

Figure 2. Scattering mechanism of Doppler Lidar

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图 3 飞机尾流一维高分辨距离像的机理解释^[50]

Figure 3. Hight Resolution Range Profile (HRRP) and its mechanism explanation of aircraft wake vortices^[50]

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图 4 降雨条件下飞机尾流内部雨滴的动力学特征及散射强度^[16]

Figure 4. Dynamics characteristics and scattering intensity of raindrops in aircraft wake vortices under rainy condition^[16]

下载: 全尺寸图片幻灯片

图 5 飞机尾流激光雷达探测

Figure 5. Lidar detection of aircraft wake vortices

下载: 全尺寸图片幻灯片

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