双波束基片集成波导背腔缝隙天线设计  

Design of Dual-beam Substrate Integrated Waveguide Cavity-backed Slot Antenna

作　　者：胡开洋 李霜 钟小瑛 HU Kaiyang;LI Shuang;ZHONG Xiaoying(First Military Representative Office of the Navy Equipment Department in Shanghai Area,Shanghai 202150;China Ship Development and Design Center,Wuhan 430064)

机构地区：[1]海装驻上海地区第一军事代表室,上海202150 [2]中国舰船研究设计中心,武汉430064

出　　处：《舰船电子工程》2022年第3期73-76,105,共5页Ship Electronic Engineering

摘　　要：双波束天线是指天线向空中辐射的电磁波由两个波束组成,每个波束覆盖一定的空域,从而同时满足对两个方位的覆盖需求。通过双波束天线优秀的覆盖特性,在覆盖上做到精细控制,减少过覆盖、多重信号重叠造成的各种优化困难,提高容量。论文基于基片集成波导技术和共面波导馈电技术,展宽天线的阻抗带宽,设计了一款工作频率在13.4GHz~15GHz频段内的背腔缝隙天线,通过开W形缝隙,天线在13.4GHz~14GHz频段内产生双波束辐射特性,天线在主波束方向上最大增益达到7.5dBi。Dual-beam antenna consists of two beams where the electromagnetic radiation from antenna to the air,each beam covers a certain airspace,so as to meet the demand of simultaneous coverage of two directions.Through the excellent coverage characteristics of dual-beam antenna,fine control is achieved in the coverage,the optimization difficulties caused by over covering and overlapping of multiple signals are reduced,and capacity is improved.A cavity-backed slot antenna based on the substrate integrated waveguide and grounded coplanar waveguide feed technique which working frequency in the frequency range of 13.4GHz~15GHz is designed.With a W-shaped slot etched,dual beam radiation characteristics in the frequency range of 13.4GHz~14GHz is obtained,the maximum gain of the antenna in the main beam is up to 7.5dBi.

关 键 词：双波束天线 基片集成波导 背腔缝隙天线 接地共面波导馈电 

分 类 号：TN82[电子电信—信息与通信工程]