新型平面短路结构宽带振子天线的设计

陈爱新; 魏文轩; 姜铁华; 张艳君

新型平面短路结构宽带振子天线的设计

北京航空航天大学电子信息工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(60831001,F010610)

详细信息

作者简介:
陈爱新(1970-),男,河北安国人,副教授,axchen@buaa.edu.cn.

中图分类号: TN 821+.4
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- 被引次数: 8
出版历程
- 收稿日期: 2009-02-27
- 网络出版日期: 2010-03-31

Design of novel planar shorting structure broadband monopole antenna

School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 提出了一种改进后的新型平面短路结构宽带振子天线.与普通振子天线相比,该天线的平面短路结构更利于与载体表面共形.通过对天线主要结构参数分析优化,这种新型天线,凭借着其独特的外形结构和阻抗加载技术,相比于同类天线不但实现了天线尺寸的小型化,而且有更好的带宽和辐射特性.软件仿真表明,该天线在超短波甚高频(VHF,Very High Frequency)工作频段(30~88MHz)内满足电压驻波比小于3,垂直极化,水平全向辐射,辐射强度在工作频段优于-10dB,辐射增益平坦度在2dB以内.计算结果与实测结果吻合良好,该天线在超短波通信系统中有较好的应用前景.
- 共形 /
- 加载 /
- 极化
Abstract: An improved novel planar shorting structure broadband monopole antenna was presented. In the light of planar structure easily conformal to substrate, the special shape structure and the technique of load-adding, this kind of antenna realizes the miniaturization and has a better bandwidth and radiation compared with the conventional monopole antenna. The theoretical parameters analysis of the main structure and simulation results with high frequency structure simulator(HFSS) show that the antenna satisfies the conditions of voltage standing wave ratio(VSWR) less than 3, vertical polarization, horizontal omni-directional radiation, radiation gain no less than -10dB and radiation smoothness below 2dB, on the work frequency band ranged from 30~88MHz. The antenna has a wide application in vere high freqwency(VHF)communication system. The calculational results derived agree well with the experimental results.
- conformations /
- loading /
- polarization

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参考文献(1)

[1] Chiu C W,Lin F L.Compact dual-band PIFA with multi-resonators[J].Electron Lett,2002,38(12):538-540 [2] Ammann M J,Chen Zhining.A wide-band shorted planar monopole with bevel[J].IEEE Transactions And Propagation,2003,51(4):901-903 [3] 吕善伟,杨学斌,贾晓笑,等.一种宽频带振子天线[J].北京航空航天大学学报,2000,26 (1):8-11 Lü Shanwei,Yang Xuebin,Jia Xiaoxiao,et al.A kind of dipole antenna with broadband characteristics[J].Journal of Beijing University of Aeronautics and Astronautics,2000,26 (1):8-11(in Chinese) [4] 段文涛,李思敏.加载技术在天线小型化设计中的研究[J].现代电子技术,2008,2:17-22 Duan Wentao,Li Simin.Research on loading technology for miniature and broadband antenna design [J].Modern Electronics Technique,2008,2:17-22(in Chinese) [5] 姜铁华,苏东林,丁轲佳,等.含有寄生单元的倒F天线分析与设计[J].微波学报,2008,24 (1):35-39 Jiang Tiehua,Su Donglin,Ding Kejia,et al.Design of the low-profile inverted-F antenna with multi-parasitic elements[J].Journal of Microwaves,2008,24(1):35-39(in Chinese) [6] John D Kraus,Ronald J Marheflka.天线[M].3版.北京:电子工业出版社,2004 John D Kraus,Ronald J Marheflka.Antennas:for all applications[M].3rd ed.Beijing:Publishing House of Elements Industry,2004(in Chinese) [7] Roger F Harrington.Field computation by moment methods[M].New York:The Macmillan Company,1968

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