A Substrate Integrated Waveguide Circular Polarized Slot Radiator and Its Linear Array

被引：88

作者：

Chen, Peng ^{[1
]}

Hong, Wei ^{[1
]}

Kuai, Zhenqi ^{[1
]}

Xu, Junfeng ^{[1
]}

机构：

[1] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷

基金：

美国国家科学基金会;

关键词：

Circular polarized (CP) antenna; substrate integrated waveguide (SIW); traveling wave antenna; ANTENNAS; DESIGN;

D O I：

10.1109/LAWP.2008.2011062

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 top-wall substrate integrated waveguide (SIW) slot radiator for generating circular polarized (CP) field is proposed and characterized in this letter. The reflection of the slot radiator is extremely weak, which simplifies the linear traveling wave array design. Based on such a structure, a 16-element CP SIW traveling wave antenna array is designed, fabricated, and measured at 16 GHz. A -23 side lobe level (SLL) with an axial ratio (AR) of 1.95 dB is experimentally achieved. The size of the proposed SIW CP linear array antenna is 285 mm x 22 mm. The measured gain is 18.9 dB, and the usable bandwidth is 2.5%.

引用

页码：120 / 123

页数：4

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