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共面带状线馈电三频高增益微带天线
引用本文:周鋆,杨雪霞,吕艳青.共面带状线馈电三频高增益微带天线[J].上海大学学报(自然科学版),2011,17(3):227-231.
作者姓名:周鋆  杨雪霞  吕艳青
作者单位:上海大学通信与信息工程学院,上海,200072
基金项目:上海市重点学科建设资助项目(S30108); 上海市科委重点实验室资助项目(08DZ2231100)
摘    要:介绍一种工作于2.4,3.5和5.8 GHz的三频微带天线,采用共面带状线(coplanar stripline,CPS)馈电,结构简单且具有较高的增益.采用在菱形环结构中添加小环的方式实现多频工作,并在介质基板底部添加反射板以提高整体增益.为实现实测和满足更多应用需求,设计CPS至微带线的巴伦.实测结果与仿真结果较一致,均达到实际应用的要求,并且各频点增益都在10 dB以上.

关 键 词:共面带状线  三频  高增益  巴伦  微带天线

Caplanar Stripline Fed Triple-Band High-Gain Microstrip Antenna
ZHOU Jun,YANG Xue-xia,Lv Yan-qing.Caplanar Stripline Fed Triple-Band High-Gain Microstrip Antenna[J].Journal of Shanghai University(Natural Science),2011,17(3):227-231.
Authors:ZHOU Jun  YANG Xue-xia  Lv Yan-qing
Institution:ZHOU Jun,YANG Xue-xia,L Yan-qing(School of Communication and Information Engineering,Shanghai University,Shanghai 200072,China)
Abstract:A microstrip antenna fed by a coplanar stripline(CPS) working at 2.4,3.5 and 5.8 GHz with a simple structure and a high gain is proposed.Multi-frequency operation is realized by introducing a pair of small hoops in the center of the rhombic structure.The gain is improved by placing a metal reflector beneath the substrate.A CPS to microstrip Balun is designed for measurements and more applications.The measuring results agree well with simulation,which meet the demand of practical applications.Gains of all op...
Keywords:coplanar stripline(CPS)  triple band  high gain  Balun  microstrip antenna  
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