Broadband Circularly Polarized Cavity-Backed Slot Antenna Array With Four Linearly Polarized Disks Located in a Single Circular Slot

被引：30

作者：

Hu, Yong-Jin ^{[1
]}

Ding, Wei-Ping ^{[1
]}

Ni, Wei-Min ^{[1
]}

Cao, Wen-Quan ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷

关键词：

Broadband antennas; cavity-backed antennas; circular polarization; slot antennas; WIDE BANDWIDTH;

D O I：

10.1109/LAWP.2012.2197811

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A novel cavity-backed slot antenna array with broad-band circularly polarized (CP) property is presented in this letter. A corporate feed network composed of three Wilkinson power dividers is applied to sequentially rotated feed four linearly polarized disks that are located in a cavity-backed circular slot. The measured 3-dB axial-ratio (AR) bandwidth of the array is 54.5%, and the 10-dB return loss bandwidth is 92.1%. The 3-dB gain bandwidth is about 50.8% with the peak gain 9.9 dBic.

引用

页码：496 / 499

页数：4

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