太赫兹雷达技术  

Review of Terahertz Radar Technology

作　　者：王宏强[1] 邓彬[1] 秦玉亮[1] Wang Hongqiang;Deng Bin;Qin Yuliang(College of Electronic Science, National University of Defense Technology, Changsha 410073, China)

机构地区：[1]国防科技大学电子科学学院,长沙410073

出　　处：《雷达学报（中英文）》2018年第1期1-21,共21页Journal of Radars

基　　金：国家部委基金~~

摘　　要：太赫兹雷达具有带宽大、分辨率高、多普勒敏感、抗干扰等独特优势,是目标探测领域的重要发展方向。该文首先回顾和介绍了电子学和光学太赫兹雷达系统历史、现状和最新进展,其次对太赫兹雷达目标特性从机理、计算、测量3个方面进行了梳理和概要介绍,同时阐述了太赫兹ISAR、SAR、阵列和孔径编码成像研究状况,简要介绍了太赫兹雷达在预警探测、安检反恐等领域的应用,最后对太赫兹雷达技术的发展方向进行了展望。Terahertz radar has unique advantages, including large bandwidth, high resolution, Doppler sensitivity, and anti-interference; it is a significant development in the field of target detection. Herein, the history of electronic and optical terahertz radar systems is introduced, and the current situation and latest progress pertaining to these systems are reviewed. The target characteristics of terahertz radar are summarized based on its mechanism, calculation, and measurement. Moreover, the current research status of terahertz SAR,ISAR, array, and aperture encoding imaging are discussed, and the applications of terahertz radar, such as early warning detection and security anti-terrorism systems, are briefly introduced. Finally, the development direction of terahertz radar technology is forecast.

关 键 词：太赫兹雷达 散射特性 雷达散射截面(RCS) 成像 

分 类 号：TN95[电子电信—信号与信息处理]