[1]王昊,鲁勇,方大纲,等.用馈电校正优化设计双馈点圆极化微带天线[J].南京理工大学学报(自然科学版),2007,(01):114-117.
 WANG Hao,LU Yong,FANG Da-gang.Optimization Design of Dual-feed Circular Polarization Patch Antenna Based on Feeding Correction[J].Journal of Nanjing University of Science and Technology,2007,(01):114-117.
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用馈电校正优化设计双馈点圆极化微带天线
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2007年01期
页码:
114-117
栏目:
出版日期:
2007-02-28

文章信息/Info

Title:
Optimization Design of Dual-feed Circular Polarization Patch Antenna Based on Feeding Correction
作者:
王昊;鲁勇;方大纲;
南京理工大学 毫米波技术研究室, 江苏 南京 210094
Author(s):
WANG HaoLU YongFANG Da-gang
Millimeter Wave Technique Laboratory,NUST,Nanjing 210094,China
关键词:
微带天线 圆极化 双馈点 优化设计
Keywords:
m icrostrip antenna circular polarization dual feed optim ization design
分类号:
TN822
摘要:
该文提出用馈电校正的方法来改善圆极化天线的轴比性能。通过增加附加并联枝节改变双馈电点处信号幅度和相位的相对分布,抵消高次模辐射和馈电网络寄生辐射的影响,将高次模辐射和寄生辐射都考虑在内,来实现馈电校正。在X波段采用全波一体化优化方法设计出双馈点宽带圆极化微带天线。该文给出了仿真结果及实测数据。获得的实测结果为:中心频率为10GHz,电压驻波比小于2的带宽为33.85%,圆极化轴比小于3dB的带宽为22.4%。与校正前的结果相比,轴比带宽从16.2%提高到22.4%。
Abstract:
This paper presents a feeding correctionmethod to improve the performance of the circu- lar antenna. Thismethod is realized by adding simple tuning stubs to change the relative distribu- tions ofmagnitudes and phases at two feeding points and to compensate the effects of radiation from higher-ordermodes and feeding network. The fullwave integrated method is used in the optim iza- tion. A w ideband circularly polarized patch antenna is designed, manufactured and tested in the X band. The experimental results show that the frequency bandw idth is 22. 4% for a 3-dB axial ratio criterion and is 33. 85% for aVSWR< 2 criterion at the central frequency 10 GHz. Comparedw ith the results before correction, the bandw idth of the axial ratio increases from 16. 2% to 22. 4% .

参考文献/References:

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[ 4] Chiba T, SuzukiY L, M iyanoN. Suppression of high- ermodes and cross polarised component for m icrostrip antennas [A ]. IEEE AP-S Int Symposium Antennas and Propagate D igest [ C]. New York: IEEE Press, 1982. 285- 288.
[ 5] TargonskiS, Pozar DM. Design ofw ideband circular- ly polarized aperture coupledm icrostrip antennas [ J]. IEEE TransAntennas and Propagation, 1993, 41: 214 - 220.
[ 6] 清华大学《微带电路》编写组. 微带电路 [M ]. 北京: 人民邮电出版社, 1975.
[ 7] Lee R Q, LeeK F, Bobinchak J. Characteristics of a two-layer electromagnetically coupled rectangular patch antenna [ J]. Electron Lett, 1987, 23: 1 070 - 1 072.
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备注/Memo

备注/Memo:
基金项目: 国防重点实验室资助项目
作者简介: 王昊 ( 1980- ), 男, 浙江宁波人, 博士生, 主要研究方向: 微带天线, 电磁场数值计算, E-mail: Haowang@ mail.njust. edu. cn;
通讯作者: 方大纲 ( 1937- ), 男, 教授, 博士生导师, 主要研究方向: 电磁场数值计算, 微波毫米波集成电路和天线, E-mail:fangdg@ mail.njust. edu. cn。
更新日期/Last Update: 2007-02-28