雷达海上目标特性综述

关键

doi:10.12000/JR20114

雷达海上目标特性综述

DOI: 10.12000/JR20114

关键^,

海军航空大学信息融合研究所烟台 264001

基金项目: 国家自然科学基金(61871391, 61871392, 61931021)，山东省重点研发计划(2019JZZY010415)

详细信息

作者简介:
关　键(1968–)，男，辽宁锦州人，教授，博士生导师。研究方向为海上目标探测、雷达海杂波特性和弱目标检测。新世纪百千万人才工程国家级人选，曾获国家科技进步二等奖1项、省部级一等奖4项。E-mail: guanjian_68@163.com

通讯作者:
关键 guanjian_68@163.com

责任主编：许述文 Corresponding Editor: XU Shuwen
中图分类号: TN95
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出版历程
- 收稿日期: 2020-08-06
- 修回日期: 2020-08-25
- 网络出版日期: 2020-08-28

Summary of Marine Radar Target Characteristics

GUAN Jian^,

Institute of Information Fusion, Naval Aviation University, Yantai 264001, China

Funds: The National Natural Science Foundation of China (61871391, 61871392, 61931021), The Key Research and Development Program of Shandong Province (2019JZZY010415)

More Information

Corresponding author: GUAN Jian, guanjian_68@163.com

摘要

摘要: 该文围绕雷达对海上目标探测中的目标特性，简述了主要目标特性和模型，以及在目标特性测量和计算中的主要问题，然后从目标、环境、传感器3个角度，讨论了海上目标探测中一些较为关注的目标特性，说明了海上目标特性的多样性、海上环境的复杂多变性、海上目标与环境的相互耦合作用，以及探测海上目标的主要雷达手段和典型应用背景中目标特性需求；最后介绍了雷达目标特性测试与建模技术，提出了目标特性的多维度描述，初步讨论了一些应用。
- 雷达 /
- 目标 /
- 环境 /
- 特性 /
- 海洋
Abstract: Regarding the target characteristics in marine radar detection, this paper introduces classic radar target characteristics and models, and the main problems associated with the measurement and computation of these target characteristics. From three perspectives, i.e., the target, environment, and sensor, we discuss the target characteristic that have attracted much attention in the field of marine target detection. We discuss the diversity of marine target characteristics, the variety and complexity of the marine environment, coupling effects between the target and the environment, and the main requirements of the typical marine radar in target detection applications. The techniques used in the measurements and computation of target characteristic are also introduced. We propose a multidimensional representation of the target characteristics and briefly discuss its applications.
- Radar /
- Target /
- Environment /
- Characteristic /
- Marine

HTML全文

图 1 不同雷达频率下测得的一艘大型海军辅助舰水平极化RCS^[5](径向标度，以1 m²的分贝数为单位)

Figure 1. RCS of a huge naval supplementary ship in horizontal polarization for different frequency^[5] (unit of radial scale is dB of 1 m²)

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图 2 舰船一维距离像

Figure 2. One-dimensional range profile of a ship

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图 3 舰船SAR图像

Figure 3. SAR image of a ship

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图 4 粗糙海面电磁散射示意图^[14]

Figure 4. Sketch map of electromagnetic scattering from rough sea surface^[14]

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图 5 舰船六自由度示意图^[14]

Figure 5. Sketch map of a ship in 6 free degrees^[14]

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图 6 海面目标多径反射示意图^[14]

Figure 6. Sketch map of multipath reflection of target and sea surface^[14]

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图 7 典型驱逐舰沿±45°方位角平均的HH极化RCS随天顶角的变化曲线^[5]

Figure 7. RCS curves of a typical destroyer in ±45° horizontal degrees and HH polarization, horizontal ordinate is complementary angle of pitching angle^[5]

下载: 全尺寸图片幻灯片

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