An octave band switched parasitic beam-steering array

被引：4
|
作者：
Sutinjo, Adrian [1 ]
Okoniewski, Michal [1 ]
Johnston, Ronald H. [1 ]
机构：
[1] Univ Calgary, Dept Elect & Comp Engn, Calgary, AB T2N 1N4, Canada
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2007年 / 6卷
关键词：
beam-steering; circular array; ESPAR antenna; parasitic array; wideband antenna;
D O I：
10.1109/LAWP.2007.895284
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, we introduce a new parasitic antenna array with a 360 degrees switchable coverage in the azimuthal plane. Unlike most switched parasitic arrays which are narrowband or at most dual band, this array covers an octave bandwidth. The frequency band of interest in this letter is the UHF band, particularly the 225-450 MHz tactical communication band. The array consists of a driven element surrounded by two layers of parasitic elements. The driven element is a wire frame biconical antenna and the parasitic elements are V-shaped bent wires. The proof-of-concept was simulated using FEKO method of moments (MoM) package and further verified using Ansoft HFSS. Simulation results show that the antenna gain is 6-10 dBi over an octave bandwidth.
引用
收藏
页码：211 / 214
页数：4
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