MIMO-SAR成像技术发展与展望

doi:10.3969/j.issn.1001-506X.2020.06.07

系统工程与电子技术 ›› 2020, Vol. 42 ›› Issue (6): 1248-1260.doi: 10.3969/j.issn.1001-506X.2020.06.07

MIMO-SAR成像技术发展与展望

庞礴^1,²(), 邢世其^1,²(), 代大海^1,²(), 李永祯^1,²(), 王雪松¹()

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

收稿日期:2019-07-31 出版日期:2020-06-01 发布日期:2020-06-01
作者简介:庞礴(1984-),男,讲师,博士,主要研究方向为极化信息处理、极化雷达成像和SAR图像解译。E-mail:pangbo84826@126.com|邢世其(1984-),男,副研究员,博士,主要研究方向为极化雷达成像、雷达信号处理、雷达目标几何结构反演与识别。E-mail:xingshiqi_paper@163.com|代大海(1980-),男,研究员,博士,主要研究方向为极化雷达成像、雷达信号处理与目标识别。E-mail:ddh1206@163.com|李永祯(1977-),男,研究员,博士,主要研究方向为新体制雷达与电子对抗。E-mail:e0061@sina.com|王雪松(1972-),男,教授,博士,主要研究方向为极化信息处理、雷达目标识别、新体制雷达技术。E-mail:wxs1019@vip.sina.com
基金资助:
国家自然科学基金(61901499);国家自然科学基金(61625108);国家自然科学基金(61490693);湖南省杰出青年基金(2017JJ1006)

Development and perspective of MIMO-SAR imaging technology

Bo PANG^1,²(), Shiqi XING^1,²(), Dahai DAI^1,²(), Yongzhen LI^1,²(), Xuesong WANG¹()

1. College of Electronic Science, National University of Defense Technology, Changsha 410073, China
2. State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, National University of Defense Technology, Changsha 410073, China

Received:2019-07-31 Online:2020-06-01 Published:2020-06-01
Supported by:
国家自然科学基金(61901499);国家自然科学基金(61625108);国家自然科学基金(61490693);湖南省杰出青年基金(2017JJ1006)

摘要/Abstract

摘要：

作为一种新兴的合成孔径雷达(synthetic aperture radar, SAR)成像体制,近年来提出的多输入多输出SAR(multiple input multiple output SAR, MIMO-SAR)通过波形分集、空间分集等,可以得到远多于实际天线数量的自由度,为突破常规SAR体制局限,实现高分辨率宽测绘带(high resolution wide swath, HRWS)成像、慢速运动目标检测、同时多模式工作等应用提供了有效的技术途径。本文概括了MIMO-SAR的国内外研究现状,剖析了MIMO-SAR的概念内涵、技术特点及关键技术,着重对其波形设计技术进行了探讨。最后,结合系统发展和实际应用,对其发展趋势进行了展望。

关键词: 多输入多输出, 合成孔径雷达, 高分辨率宽测绘带, 成像

Abstract:

As an emerging imaging mechanism of synthetic aperture radar (SAR), the recently proposed multiple input multiple output SAR (MIMO-SAR) could obtain much more freedoms than the number of the physical antenna elements by utilizing waveform diversity and space diversity. As a result, it could overcome the limitation of the conventional SAR, and provide effective techniques for applications such as high resolution wide swath (HRWS) imaging, slow moving target detection, mean-time multi-mode operation and so on. This paper summarizes the research status of MIMO-SAR from domestic and abroad, analyzes its concept connotation, technical features and key technologies, and probes into its waveform designing techniques. Finally, combined with system development and practical applications, the developing trend of the MIMO-SAR imaging technique is discussed.

Key words: multiple input multiple output (MIMO), synthetic aperture radar (SAR), high resolution wide swath (HRWS), imaging

中图分类号:

TN95

庞礴, 邢世其, 代大海, 李永祯, 王雪松. MIMO-SAR成像技术发展与展望[J]. 系统工程与电子技术, 2020, 42(6): 1248-1260.

Bo PANG, Shiqi XING, Dahai DAI, Yongzhen LI, Xuesong WANG. Development and perspective of MIMO-SAR imaging technology[J]. Systems Engineering and Electronics, 2020, 42(6): 1248-1260.

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MIMO-SAR成像技术发展与展望

Development and perspective of MIMO-SAR imaging technology

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