Broadband Circularly Polarized Microstrip Antenna Array Using Sequentially Rotated Technique

被引：64
|
作者：
Hu, Yong-Jin [1 ]
Ding, Wei-Ping [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 | 2011年 / 10卷
关键词：
Broadband antennas; circular polarization; feed network; microstrip arrays; ELEMENTS; DESIGN; FEED; GAIN;
D O I：
10.1109/LAWP.2011.2177799
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：
In this letter, a broadband circularly polarized microstrip antenna array with a separate feed network layer is presented. A Wilkinson power divider that provides high isolation between elements and subarrays is employed in constructing the noncoplanar corporate feed network of the array. The corporate-fed 4 4 antenna array composed of sequentially rotated 2 2 subarrays is designed and fabricated. The measurement results indicate that the proposed array exhibits a 1-dB axial-ratio (AR) bandwidth of 47.8% in which the return loss is below -10 dB.
引用
收藏
页码：1358 / 1361
页数：4
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