太赫兹反射面天线测试方法综述  

Review of Test Methods for Reflector Antenna at Terahertz Frequencies

作　　者：秦顺友[1] QIN Shunyou(The 54th Research Institute of CETC,Shijiazhuang 050081,China)

机构地区：[1]中国电子科技集团公司第五十四研究所,河北石家庄050081

出　　处：《无线电工程》2018年第12期1013-1020,共8页Radio Engineering

基　　金：国家高技术研究发展计划("863"计划)基金资助项目(2015AA8124017A)

摘　　要：随着太赫兹科学技术的发展,太赫兹反射面天线在空间遥感辐射计和射电天文领域获得了应用,太赫兹天线测量对传统的天线测量技术提出了严峻的挑战。系统总结了反射面天线性能的传统测试方法:远场测试方法、近场测试方法和紧缩场测试方法。针对太赫兹反射面天线的测量问题,论述了远场测量技术、近场测量技术和紧缩场测量技术的可行性,分析了各自的特点及其局限性,指出了全息紧缩场在太赫兹反射面天线测量中,具有广阔的应用前景。With the rapid development of Terahertz science technology,the applications of reflector antenna at Terahertz frequencies have been implemented in fields of space remote sensing radiometer and radio astronomy,and the Terahertz antenna measurements bring severe challenges on traditional antenna measurement techniques.This paper summarizes systematically the traditional test methods of reflector antenna performance,including far-field test method,near-field test method and compact range test method.Aiming at the measurement problems of reflector antennas at THz band,the feasibility of far-field measurement technique,nearfield measurement technique and CATR measurement technique are discussed,the features and limitations of each measurement technique are analyzed,and the results show that the CATR based on hologram has a broad application prospect in reflector antenna measurement at THz band.

关 键 词：太赫兹天线测量 远场测量技术 近场测量技术 紧缩场测量技术 

分 类 号：TN820[电子电信—信息与通信工程]