Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas

HU Ming-chun; DU Xiao-hui; LI Jian-xin

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Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas

更新时间：2025-07-16

- Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas
- Acta Electronica Sinica Vol. 30, Issue 12, Pages: 1888-1890(2002)
- 作者机构：
  
  南京电子技术研究所,江苏,南京,210013
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN821
- Published：2002
- 稿件说明：
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HU Ming-chun, DU Xiao-hui, LI Jian-xin. Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas[J]. Acta Electronica Sinica, 2002, 30(12): 1888-1890.
DOI：

HU Ming-chun, DU Xiao-hui, LI Jian-xin. Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas[J]. Acta Electronica Sinica, 2002, 30(12): 1888-1890. DOI：

摘要

本文提出一种新的宽带宽角圆极化微带天线设计方法

在利用容性探针近耦合馈电的基础上

通过平衡馈电

使贴片天线的阻抗带宽(VSWR≤2)和宽角轴比带宽(45°圆锥空域内的AR≤3dB)达到20%以上.实验测试表明

利用该方法设计的贴片天线的带宽达到26.33%(VSWR、宽角AR同时满足要求)

从而证实了该方法的正确性和实用性.

Abstract

A new method for the design of broad-band and wide-angle circularly polarized (CP) microstrip patch antennas is presented in this paper.Based upon the proximity coupling balance-feed by utilizing capacitively probes

the 2 V standing wave ratio(VSWR) and wide-angle 3dB axial ratio (AR)(in the 45°conic airspace ) bandwidth can be achieved more than 20%.The measured results show that the wide-angle 3dB axial ratio and 2 V standing wave ratio bandwidth of the patch antenna designed by this method is 26.33%(VSWR≤2

wide-angle AR≤3dB).So this design technique is correct and practical.

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