Broadband Circularly Polarized Microstrip Antenna Array Using Sequentially Rotated Technique

被引：70

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

页码：1358 / 1361

页数：4

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