Wideband Frequency-Domain and Space-Domain Pattern Reconfigurable Circular Antenna Array

被引：22
|
作者：
Wang, Zhengpeng [1 ,2 ]
Hall, Peter S. [1 ]
Kelly, James R. [3 ]
Gardner, Peter [1 ]
机构：
[1] Univ Birmingham, Sch Elect Elect & Comp Engn, Birmingham B15 2TT, W Midlands, England
[2] Beihang Univ, Sch Elect Informat Engn, Beijing 100191, Peoples R China
[3] Univ Surrey, Inst Commun Syst, Dept Elect & Elect Engn, Guildford GU2 7XH, Surrey, England
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 10期
基金：
英国工程与自然科学研究理事会;
关键词：
Pattern reconfigurable antenna; TEM horn antenna; wide band circular antenna array; MONOPOLE ANTENNA; TUNING RANGE; SLOT ANTENNA; DESIGN; NOTCH; RESONATOR; FILTER; ELEMENTS;
D O I：
10.1109/TAP.2017.2740969
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：
This paper presents a wideband circular antenna array with a frequency-domain and space-domain reconfigurable radiation pattern. A wideband circular array antenna is designed with omnidirectional radiation pattern, in azimuth direction, throughout the whole frequency band. The antenna array consists of eight TEM horn antennas. The antenna array exhibits an omnidirectional azimuthal radiation pattern when all eight ports are excited with signals of the same magnitude and phase. The antenna array is fed through eight reconfigurable bandstop filters and a power splitter. This enables it to provide an omnidirectional azimuthal pattern along with a single directional pattern null in a given spatial direction and at a certain frequency. Both the spatial direction and the frequency can be altered. The antenna works from 0.8 to 3 GHz. The antenna array will be useful in combating interference in wideband communication systems. It will also be of value in surveillance military applications.
引用
收藏
页码：5179 / 5189
页数：11
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