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一种平面等角螺旋天线及宽频带巴伦的研究
引用本文:宋朝晖,邱景辉,张胜辉,刘志惠,杨彩田.一种平面等角螺旋天线及宽频带巴伦的研究[J].制导与引信,2003,24(2):36-39.
作者姓名:宋朝晖  邱景辉  张胜辉  刘志惠  杨彩田
作者单位:哈尔滨工业大学电子与通信工程系,黑龙江,哈尔滨,150001
摘    要:分析了平面等角螺旋天线的研究方法,设计了工作于0.4~2GHz的双臂平面等角螺旋天线。根据天线的平衡结构和宽带特性,设计了一种阻抗为指数渐变的微带线-平行双线形式的宽带巴伦,并可采用50Ω同轴电缆馈电。测量结果显示天线和巴伦表现出良好的圆极化和宽频带特性。

关 键 词:平面等角螺旋天线  宽频带巴伦  同轴电缆馈电  设计  圆极化
文章编号:1671-0576(2003)02-0036-04
修稿时间:2003年4月2日

Study of A Planar Equiangular Spiral Antenna and the Relevant Wideband Balun
SONG Zhao-hui,QIU Jing-hui,ZHANG Sheng-hui,LIU Zhi-hui,YANG Cai-tian.Study of A Planar Equiangular Spiral Antenna and the Relevant Wideband Balun[J].Guidance & Fuze,2003,24(2):36-39.
Authors:SONG Zhao-hui  QIU Jing-hui  ZHANG Sheng-hui  LIU Zhi-hui  YANG Cai-tian
Abstract:Analyzed the research technique of the planar equiangular spiral antenna. In this work the design and test of a wideband antenna and its match circuit is presented. The antenna is a double-armed planar equiangular spiral antenna and fed by 50 ohm coaxial-cable. To match the balance structure and the wideband character of the antenna, its balun is microstrip line-parallel wire which is exponentially gradual type. Test result shows that antenna and balun present good circular polarization and wideband character.
Keywords:wideband antenna  spiral antenna  wideband balun  design  
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