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一种宽频带宽角度圆极化微带天线的设计
引用本文:周梓发,吴多龙,李瑞,李庚禄.一种宽频带宽角度圆极化微带天线的设计[J].广东工业大学学报,2010,27(4):36-38.
作者姓名:周梓发  吴多龙  李瑞  李庚禄
作者单位:广东工业大学物理与光电工程学院,广东广州510006
基金项目:2009广东省重大科技专项
摘    要:设计了一种实用型宽频带圆极化微带天线,在容性探针顶部附加圆形贴片进行耦合馈电的基础上,通过平衡馈电提高了天线的阻抗带宽(VSWR<=2)和在宽角度内实现了圆极化(AR<=3 dB).利用有限元积分软件CST对天线的参数进行优化仿真,通过实验测试表明:仿真与实测吻合较好,满足实际应用的需求.

关 键 词:北斗卫星导航定位系统  多馈源  阻抗带宽  右旋圆极化  

The Design of Broad-band and Wide-angle Circularly Polarized Microstrip Antennas
Zhou Zi-fa,Wu Duo-long,Li Rui,Li Geng-lu.The Design of Broad-band and Wide-angle Circularly Polarized Microstrip Antennas[J].Journal of Guangdong University of Technology,2010,27(4):36-38.
Authors:Zhou Zi-fa  Wu Duo-long  Li Rui  Li Geng-lu
Affiliation:Facutly of Physics and Optoelectronic Engineering,Guangdong University of Technology,Guangzhou 510006,China
Abstract:The design of a new kind of broad-band and wide-angle circularly polarized(CP)mierostrip antennas is presented.Based upon the proximity coupling balance-feed by utilizing the capacitive probe,the 2 V standing wave ratio and wide-angle 3 dB axial ratio(AR)are achieved.With the software of CST,the structure parameters of the antenna are optimized.The simulation results show that the antenna meets the requirements for application.
Keywords:COMPASS Navigation Satellite System(CNSS)  multi-feed  impedance bandwidth  right-hand circular polarization(RHCP)  
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