CPW Feed for Millimeter-Wave SIW-Based Antipodal Vivaldi Antenna

被引：0
|
作者：
Wu, Zong-huan [1 ]
Qiu, Jing-hui [1 ]
Liu, Chen [1 ]
Wang, Nan-nan [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150080, Heilongjiang, Peoples R China
来源：
2018 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2018年
基金：
黑龙江省自然科学基金; 中国国家自然科学基金;
关键词：
Antipodal Vivaldi antennas; coplanar waveguides; substrate integrated waveguide; broadband antenna;
D O I：
暂无
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：
An improved broadband antipodal Vivaldi antenna(AVA) is proposed in this letter. The coplanar waveguide feeds (CPW) are applied and the substrate integrated waveguide (SIW) is used to realize the transition from the coplanar waveguide to the AVA. The antenna size is 79.9mm X 24mm. The final design operates over 18-40 GHz with return loss <- 10 dB. The antenna gain is relatively stable and the cross-polarization level is lower than -15 dB. It can be used as a feed antenna for millimeter wave imaging systems and can be well matched to various applications of millimeter wave frequencies.
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页数：2
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