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基于轨道角动量的双频单极子圆形相控阵天线设计与仿真

发表时间:2016-11-30  浏览量:1902  下载量:471
全部作者: 李宝璐,李莉,兰吉
作者单位: 北京邮电大学 电子工程学院
摘 要: 设计了一款可以辐射携带轨道角动量(orbital angular momentum,OAM)电磁波束的双频单极子相控圆阵天线,工作在无线局域网(wireless local area network,WLAN)频段,覆盖 2.40~2.48 GHz 和 5.15~5.83 GHz工作频段。对圆阵的阵元双波段单极子分别激励振幅相同、相移递增的电流信号,通过相位差的改变产生不同的OAM 模式。通过仿真证实天线阵可以在双频段辐射携带OAM 的电磁波,该天线在无线通信及电磁学领域有重大意义。
关 键 词: 无线电波传播;轨道角动量;双频单极子;圆形相控阵;无线局域网
Title: Design and simulation of circular phased array with dual-band monopole antenna based on orbital angular momentum
Author: LI Baolu, LI Li, LAN Ji
Organization: School of Electronic Engineering, Beijing University of Posts and Telecommunications
Abstract: A dual-band circular phased array antenna which can generate orbital angular momentum (OAM) electromagnetic wave is presented. The antenna can cover frequency bands of 2.40−2.48 GHz and 5.15−5.83 GHz which work in the wireless local area network (WLAN). The dual-band monopoles which are the elements of the circular phased array are fed by the same amplitude signal but with an incremental phase shift and different modes of OAM are generated by changing the phase. The simulated results show that the array antenna can radiate orbital angular momentum in different frequency bands, which is of great significance in the field of wireless communication and electromagnetism.
Key words: radio wave propagation; orbital angular momentum; dual-band monopole; circular phased array; wireless local area network
发表期数: 2016年11月第22期
引用格式: 李宝璐,李莉,兰吉. 基于轨道角动量的双频单极子圆形相控阵天线设计与仿真[J]. 中国科技论文在线精品论文,2016,9(22):2348-2352.
 
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