星载SAR微带天线和波导裂缝天线的结构设计  

Structure Design of Micro-strip Antenna and Slotted Waveguide Antenna for Satellite-borne SAR

作　　者：王志刚[1] 杨听广[1] 汪伟[1] 

机构地区：[1]中国电子科技集团公司第三十八研究所,安徽合肥230088

出　　处：《电子机械工程》2011年第3期40-43,共4页Electro-Mechanical Engineering

摘　　要：文中针对星载SAR天线的结构形式,首先论述了微带天线的结构设计,从效率、材料、工艺三方面总结了微带天线的不足。然后从材料、分层设计、加工方法及可制造性设计方面论述了波导裂缝天线的结构设计。根据星载SAR天线的指标要求,通过设计实例与试验测试相结合的方法,表明设计合理,满足要求,并给出了微带天线和波导裂缝天线的比较,为实际应用提供了参考。The forms of antenna for satellite-borne SAR are discussed in this paper.Firstly,the structure design of micro-strip antenna is introduced,and the disadvantages of micro-strip antenna are summarized in terms of its efficiency,material and technics.Secondly,the structure design of slotted waveguide antenna is introduced in detail with respect to its material,layered design,manufacture and optimization.According to the performance requirements of satellite-borne SAR,combining the design instance and the experimental test,it is shown that the design is reasonable and satisfying.The comparison between micro-strip antenna and slotted waveguide antenna which can provide reference for practical application is included.

关 键 词：微带天线 波导裂缝天线 星载SAR 

分 类 号：TN823[电子电信—信息与通信工程]