The Advances of Vortex Electromagnetic Wave in Radar Applications

LIU Kang; LI Xiang; WANG Hong-qiang; CHENG Yong-qiang

doi:10.3969/j.issn.0372-2112.2018.09.034

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The Advances of Vortex Electromagnetic Wave in Radar Applications

更新时间：2025-07-16

- The Advances of Vortex Electromagnetic Wave in Radar Applications
- Acta Electronica Sinica Vol. 46, Issue 9, Pages: 2283-2290(2018)
- 作者机构：
  
  国防科技大学电子科学学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61571011)
- DOI：10.3969/j.issn.0372-2112.2018.09.034
  CLC： P412.25
- Published Online：25 September 2018，
  
  Published：2018
- 稿件说明：
移动端阅览
LIU Kang, LI Xiang, WANG Hong-qiang, et al. The Advances of Vortex Electromagnetic Wave in Radar Applications[J]. Acta Electronica Sinica, 2018, 46(9): 2283-2290.
DOI：

LIU Kang, LI Xiang, WANG Hong-qiang, et al. The Advances of Vortex Electromagnetic Wave in Radar Applications[J]. Acta Electronica Sinica, 2018, 46(9): 2283-2290. DOI： 10.3969/j.issn.0372-2112.2018.09.034.

摘要

涡旋电磁波因携带有轨道角动量信息，相比于传统电磁波有着更高维度的信息调制自由度，在雷达目标检测和成像领域具有很大的应用潜力.本文首先介绍了涡旋电磁波基本概念和线极化条件下的辐射场分布特点.然后给出利用涡旋电磁波进行雷达目标成像和旋转目标检测的工作原理，分析总结了其相对于传统雷达探测技术展现出来的性能优势.接着综述了电磁涡旋成像和旋转多普勒检测的发展历程与研究现状，特别地，面向雷达目标探测需求对涡旋电磁波产生技术进行较为全面的总结和概括.最后，展望涡旋电磁波在雷达中应用的发展前景，指出未来发展中的若干关键科学问题.

Abstract

Compared with classical electromagnetic (EM) waves

the vortex electromagnetic wave carrying orbital angular momentum (OAM) has higher dimensional information-modulation freedom

which paves the way to the OAM's applications in radar target detection and imaging. Firstly

the concept of vortex EM wave and the radiation field in linear polarization are introduced. Subsequently

the principles of the vortex-EM-wave-based radar imaging and detection are presented. The advantages over traditional radar detection technology are analyzed and elaborated. Moreover

the development history and research actuality of the EM vortex imaging and the rotational Doppler frequency detection are overviewed. Especially

the generation technique of vortex EM waves for radar detection purposes is summarized. Finally

by viewing the prospects for the applications of vortex EM waves

some scientific problems in the development of vortex-EM-wave-based radar are proposed.

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