Application of Novel Cavity-Backed Proximity-Coupled Microstrip Patch Antenna to Design Broadband Conformal Phased Array

被引：34

作者：

Sun, Dan ^{[1
]}

Dou, Wenbin ^{[1
]}

You, Lizhi ^{[2
]}

机构：

[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

[2] Radar & Avion Inst AVIC, Wuxi 214063, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷

关键词：

Broadband; cavity-backed; conformal phased array; microstrip antenna; proximity-coupled patch;

D O I：

10.1109/LAWP.2010.2089490

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 broadband conformal phased array consisting of 48 linear arrays with four microstrip antennas is presented in this letter. The element is designed by a novel proximity-coupling feeding mechanism with a cavity-backed configuration. A dielectric layer, which is integrated on the surface of the antenna, is designed and fabricated to shield the patches. It plays a role similar to the conformal radome. In addition, the vertical connection between the element and the coax probe is designed, which is a benefit for increasing the space usage. The measured results indicate the bandwidth of the center embedded element is 27.6% with vertical bar S-11 vertical bar below 10 dB. Due to its simple single-patch structure, the fabrication errors can be easily controlled.

引用

页码：1010 / 1013

页数：4

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