用户名: 密码: 验证码:
一种双频双圆极化北斗复合天线的设计
详细信息    查看官网全文
摘要
给出了一种双频双圆极化复合天线形式的北斗天线。通过十字阵子天线(CDA)形成L频段的左旋圆极化天线,通过四个倾斜单极子天线(IMAS)形成了S频段的右旋圆极化天线,两副天线共底面和共轴设计。CDA采用开槽同轴线巴伦馈电,IMAS采用1分4的威尔金森功分器馈电,分路四端口输出的相位依次为0°、90°、180°、270°。实验验证CDA可实现较好地左旋圆极化(LHCP)性能在1616MHz±10MHz,且轴比(AR)<3d B、电压驻波比(VSWR)<2;IMS可实现较好的右旋圆极化(RHCP)性能在2492±10MHz(AR<3d B,VSWR<2)。
Design of integrated antennas is presented for dual bands and dual circular-polarizations applications in this paper. The proposed antenna consists of a crossed dipole antenna(CDA) and four inclined monopole antennas(IMAs). The CDA is connected to a slotted coaxial Balun and fed via an impedance transformer. The IMAs are fed via a 90° hybrid network with inp ut phases of 0°, 90°, 180° and 270°, which locates at the bottom of the CDA. The proposed antenna combines the properties of CDA and IMAs in a shared aperture. Experimental results show that the presented antenna performs left-handed CP(LHCP) radiation at 1.616±0.01 GHz with axial ratio(AR) < 3d B and VSWR < 2 by CDA and right-hand CP(RHCP) radiation at 2.492±0.01 GHz by IMAs(AR < 3d B, VSWR < 2).
引文
[1]曹海林,易念学,杨力生,杨士中.圆极化十字交叉振子馈源设计与实现[J].重庆大学学报(自然科学版),2005,28(10):70-74.
    [2]项阳,钱祖平,王增和.同相馈电十字阵子圆极化天线的设计和分析[C].全国微波毫米波会议论文集,2005,1044-1047.
    [3][美]Thomas A.Milligan著,郭玉春,方加云,张光生等译.现代天线设计(第二版)[M].北京:电子工业出版社,2012.
    [4]陈曦.相控阵天线相位中心及卫星通信圆极化天线研究[D].西安电子科技大学博士学位论文,2011年.
    [5]Y.F.Lin,Y.K.Wang,H.M.Chen,and Z.Z.Yang,“Circularly Polarized Crossed Dipole Antenna with Phase Delay Lines for RFID Handheld Reader,”IEEE Trans.Antennas Propag.,vol.60,no.3,March 2012,pp.1221-1227.
    [6]Josh Rabemanantsoa and Ala Sharaiha,“Size Reduced Multi-Band Printed Quadrifilar Helical Antenna,”IEEETransactions on Antennas and Propagation.,vol.59,no.9pp.3138-3143,2011.
    [7]Andrés García-Aguilar,José-Manuel Inclán-Alonso,Lucía Vigil-Herrero,et al,Low-Profile Dual Circularly Polarized Antenna Array for Satellite Communications in the XBand,IEEE Transactions on Antennas and Propagation.vol.60,no.5,pp.2276-2284,2012.
    [8]X.-F.Peng,S.-S.Zhong,S.-Q.Xu,and Q.Wu,“Compac dual-band GPS microstrip antenna,”Microw.Opt.Techno Lett.,vol.44,no.1,pp.58-61,2005.
    [9]K.Fujimoto,J.R.James.Mobile Antenna Systems Handbook.Boston:Artech House.pp.411-416,1994
    [10]Wen-Yi Qin,Jing-Hui Qiu,Qi Wang,“A novel multi-frequency quadrifilar helix antenna,”Antennas and Propagation Society International Symposium,2005IEEE.,pp.467-470,2005.
    [11]Z.H.Yang,“Research on Car Borne Antenna for Compass Satellite Navigation System,”Master Degree thesis of Nanjing University of Aeronautics and Astronautics.,2011

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700