全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电子学报  2013 

具有紧凑馈电网络的宽带四臂螺旋天线

DOI: 10.3969/j.issn.0372-2112.2013.04.016, PP. 722-726

Keywords: 圆极化天线,四臂螺旋天线,功分相移馈电网络,宽带,移动手持设备

Full-Text   Cite this paper   Add to My Lib

Abstract:

传统的自相移馈电四臂螺旋天线(QHA)由于最小回波损耗频点和最小轴比频点不在一个频率上,因此,难以在较宽的频带内同时满足良好的阻抗匹配和圆极化特性.虽然采用功分相移网络馈电可以解决上述问题,但是馈电网络尺寸普遍较大,难以应用于手持机上.本文提出了一种底部带有紧凑的功分相移馈电网络的四臂螺旋天线,可以在宽频带内实现四个输出端功率平衡输出,相位两两相差90度.所提出的馈电网络使得四臂螺旋天线既可以实现宽带圆极化辐射,又具有小尺寸,非常适合GPS、北斗移动手持设备的应用需求.

References

[1]  J M Tranquilia,et al.A study of the quadrifilar helix antenna for global positio ning system(GPS)application[J].IEEE Transactions on Antennas and Propagation,1 990,38(10):1545-1550.
[2]  R Cahill,et al.Performance of shaped beam quadrifilar antennas on the METOP spac ecraft[J].IEE Proceedings Microwaves,Antennas and Propagation,1998,145(1):19-2 4.
[3]  C Kilgus.Resonant quadrafilar helix[J].IEEE Transactions on Antennas and Propa gation,1969,17(3):349-351.
[4]  王家勇,等.低轨道小卫星通信中谐振式四臂螺旋天线的应用研究[J].电子学报,2002,30(1 2):1865-1866. WANG Jia-yong,et al.An application study of the resonant quadrifilar helix ante nna in low orbit micro-satellite communication[J].Acta Electronica Sinica,200 2,30(12):1865-1866.(in Chinese)
[5]  付世强,等.船载海事卫星通信印刷四臂螺旋天线设计[J].舰船电子工程,2010,30(2):188-183. FU Shi-qiang,et al.Shipboard printed quadrifilar helical antenna for INMARSAT s atellite communication[J].Ship Electronic Engineering,2010,30(2):188-183.(in C hinese)
[6]  A Sharaiha,et al.Printed quadrifilar resonant helix antenna with integrated feed ing network [J].Electronics Letters,1997,33(4):256-257.
[7]  O Leisten,et al.Miniaturised dielectrically-loaded quadrifilar antenna for Glob al Positioning System(GPS)[J].Electronics Letters,2001,37(22):1321-1322.
[8]  K Kiesi.A Small Quadrifilar Helix Antenna[D].Helsinki,Finland:Helsinki Univers ity of Technology,1995.
[9]  沈仁强,等.圆锥印刷四臂螺旋天线的分析与设计[J].微波学报,2007,23(5):14-18. SHEN Ren-qiang,et al.Analysis and design of conical printed quadrifilar helical antenna[J].Journal of Microwaves,2007,23(5):14-18.(in Chinese)
[10]  胡明春,等.宽带宽角圆极化贴片天线的实验研究[J].电子学报,2002,30(12):1888-1890. HU Ming-chun,et al.Experimental study of broad-band and wide-angle circularly polarized patch antennas[J].Acta Electronica Sinica,2002,30(12):1888-1890.(in Chinese)
[11]  C Kilgus.Shaped-conical radiation pattern performance of the backfire quadrifil ar helix[J].IEEE Transactions on Antennas and Propagation,1975,23(3):392-397.
[12]  O P M Pekonen,et al.Measuring the input impedance of a quadrifilar helix antenna [J].Microwave and Optical Technology Letters,1998,17(2):102-107.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133