大口径反射面天线技术综述  

Overview of Large Reflector Antenna Technology

作　　者：杜彪[1,2] 伍洋[1,2] 张一凡[1,2] 刘国玺[1,2] 

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 [2]射电天文技术联合实验室,河北石家庄050081

出　　处：《无线电通信技术》2016年第1期1-8,共8页Radio Communications Technology

基　　金：国家重点基础研究发展计划(2013CB837902);国家自然科学基金项目(11261140641)

摘　　要：大口径反射面天线是射电天文观测和深空探测的关键设备之一。介绍了国内外大口径反射面天线的发展现状,描述了几个代表性大口径天线的主要指标和技术特点,重点论述大口径反射面天线的微波光学设计、馈源网络、频段切换、结构型式选择与保型设计、高精度面板设计与制造、主动反射面和伺服控制等关键技术及实现方法,最后给出了其技术发展方向。The large reflector antenna is one of essential equipments for radio astronomy and deep space exploration. This paper briefly introduces the development of large reflector antenna,presents the main specifications and technical characteristics of several typical large antennas around the world. The key techniques and solutions in design,manufacture and operation are discussed,including optics design,feed assembly,frequency band switching,structure type and homology design,high accuracy panel design and fabrication,active surface,and servo system. Finally,the technology trend of large reflector antenna is described.

关 键 词：射电望远镜 反射面天线 馈源网络 保型设计 

分 类 号：TN915[电子电信—通信与信息系统]