双基地前向散射雷达探测与成像

胡程; 刘长江; 曾涛

doi:10.12000/JR16058

双基地前向散射雷达探测与成像

doi: 10.12000/JR16058

1.
(北京理工大学信息与电子学院北京 100081)
2.
(北京市嵌入式实时信息处理技术重点实验室北京 100081)

基金项目:

国家自然科学基金(61120106004, 61225005),高等学校学科创新引智计划(B14010)

详细信息

作者简介:
胡程(1981-),湖南岳阳人,男,教授,博士生导师。任北京理工大学雷达技术研究所副所长,IETFellow、IEEESeniorMember。主要研究方向包括地球同步轨道SAR、双基地/前向散射雷达信号处理及昆虫雷达等。E-mail:hucheng.bit@gmail.com;刘长江(1990-),山东日照人,男,博士研究生。主要研究方向为前向散射雷达信号处理和昆虫雷达信号处理。E-mail:liuchangjiang@bit.edu.cn;曾涛(1971-),天津人,男,教授,博士生导师。任北京理工大学雷达技术研究所实验室主任、航空学会电子专业委员会委员。主要研究方向包括SAR成像技术和实时雷达信号处理。E-mail:zengtao@bit.edu.cn

通讯作者:
曾涛zengtao@bit.edu.cn

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出版历程
- 收稿日期: 2016-03-17
- 修回日期: 2016-05-16
- 网络出版日期: 2016-06-28

Bistatic Forward Scattering Radar Detection and Imaging

1.
(School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China)
2.
(Beijing Key Laboratory of Embedded Real-time Information Processing Technology, Beijing 100081, China)

Funds:

The National Natural Science Foundation of China (61120106004, 61225005), The 111 Project of China (B14010)

摘要

摘要: 前向散射雷达(Forward Scatter Radar, FSR)作为一种特殊的双基地雷达,可以利用目标在穿越收发机之间基线的运动而形成的前向散射信号进行探测、成像与识别。由于前向散射效应对提高目标雷达截面积具有重要意义,因此,前向散射雷达在反隐身探测方面具有显著的优势。文章首先综述了前向散射雷达截面积、前向散射雷达目标探测及阴影逆合成孔径雷达(Shadow Inverse Synthetic Aperture Radar, SISAR)成像的国内外研究现状,重点分析了前向散射杂波的统计特性、高精度参数估计与多目标分辨等关键难题；在此基础上详细介绍了前向散射雷达探测和SISAR成像研究的最新理论和实验进展,首次给出了基于北斗导航卫星的民航客机前向散射探测实验结果；最后,对前向散射雷达探测和成像的研究前景和发展趋势进行了展望,为隐身目标的探测与识别研究提供一种新的技术手段。
- 双基地 /
- 前向散射雷达 /
- 雷达截面积 /
- 目标探测 /
- SISAR成像
Abstract: Forward Scattering Radar (FSR) is a special type of bistatic radar that can implement image detection, imaging, and identification using the forward scattering signals provided by the moving targets that cross the baseline between the transmitter and receiver. Because the forward scattering effect has a vital significance in increasing the targets' Radar Cross Section (RCS), FSR is quite advantageous for use in counter stealth detection. This paper first introduces the front line technology used in forward scattering RCS, FSR detection, and Shadow Inverse Synthetic Aperture Radar (SISAR) imaging and key problems such as the statistical characteristics of forward scattering clutter, accurate parameter estimation, and multitarget discrimination are then analyzed. Subsequently, the current research progress in FSR detection and SISAR imaging are described in detail, including the theories and experiments. In addition, with reference to the BeiDou navigation satellite, the results of forward scattering experiments in civil aircraft detection are shown. Finally, this paper considers future developments in FSR target detection and imaging and presents a new, promising technique for stealth target detection.
- Bistatic radar /
- Forward Scattering Radar (FSR) /
- Radar Cross Section (RCS) /
- Target detection /
- Shadow Inverse Synthetic Aperture Radar (SISAR) imaging

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