生成轨道角动量的圆极化螺母型贴片天线
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摘要
轨道角动量(OAM)涡旋电磁波大多通过复杂的系统生成,为简易地获取OAM电磁波,设计一种圆极化螺母型贴片天线。通过控制2个馈电点的相对位置,生成特定模式的OAM圆极化涡旋电磁波。理论推导和模拟仿真结果证明了该螺母型贴片天线的有效性。与传统形状的贴片天线相比,该天线结构小巧紧凑,改善了空间辐射相位分布与谐振特性。
Orbital Angular Momentum(OAM) vortex electromagnetic waves are mostly generated by complex systems.In order to obtain OAM electromagnetic waves easily,a circularly polarized nut-shaped antenna is designed.By controlling the relative positions of two feeding points,a specific mode of circularly polarized vortex electromagnetic waves with OAM is generated.The theoretical deduction and simulation results prove the effectiveness of the nut-shaped patch antenna.Compared with the traditional shaped patch antenna,the proposed antenna is smaller and more compact,with improved spatial radiation phase distribution and resonance characteristics.
Orbital Angular Momentum(OAM) vortex electromagnetic waves are mostly generated by complex systems.In order to obtain OAM electromagnetic waves easily,a circularly polarized nut-shaped antenna is designed.By controlling the relative positions of two feeding points,a specific mode of circularly polarized vortex electromagnetic waves with OAM is generated.The theoretical deduction and simulation results prove the effectiveness of the nut-shaped patch antenna.Compared with the traditional shaped patch antenna,the proposed antenna is smaller and more compact,with improved spatial radiation phase distribution and resonance characteristics.
引文
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[3] 鲍慧,姚亚青.基于3D MIMO异构网性能分析的码本设计[J].计算机工程,2018,44(3):93-98.
[4] 孙亮,马轶新.基于超密度圆环排序机制的5G网络信号传输算法[J].计算机工程,2018,44(4):129-134.
[5] 宋慧颖,高媛媛,沙楠.一种有效提高RFID系统物理层安全性能的方法[J].计算机工程,2018,44(5):119-123.
[6] 李强,孙学宏,庞丹旭,等.基于多模态OAM涡旋电磁波的L波段宽频阵列天线设计[J].电子学报,2016,44(12):2954-2959.
[7] 段宝岩,王猛.微波天线多场耦合理论模型与多学科优化设计的研究[J].电子学报,2013,41(10):2051-2060.
[8] 党唯菓,朱永忠,余阳等.无线通信中的轨道角动量天线综述[J].电子技术应用,2013,43(6):33-36.
[9] MOHAMMADI S M,DALDORFF L K S,FOROZESH K,et al.Orbital angular momentum in radio:measurement methods[J].Radio Science,2010,45(4):1-14.
[10] ZHENG Shilie,ZHANG Weite,ZHANG Zhuofan,et al.Generation and propagation characteristics of electromagnetic vortices in radio frequency[J].Photonics Research,2016,4(5):9-13.
[11] 吴建建,任维政.量子通信现状与展望[J].中国科学:信息科学,2014,44(3):296-311.
[12] WANG Wei,LI Yan,GUO Zhongyi,et al.Ultra-thin optical vortex phase plate based on the metasurface and the angular momentum transformation[J].Journal of Optics,2015,17(4):1-10.
[13] ZHU Fuquan,HUANG Sujuan,SHAO Wei,et al.Free-space optical communication link using perfect vortex beams carrying orbital angular momentum[J].Optics Communicaions,2017,396:50-57.
[14] BARBUTO M,TROTTA F,BILOTTI F,et al.Circular polarized patch antenna generating orbital angular momentum[J].Progress in Electromagnetics Research,2014,148:23-30.
[15] ZHANG Zongtang,XIAO Shaoqiu.Generation of multiple orbital angular momentum modes with a circularly polarized multimode patch antenna[C]//Proceedings of IEEE MTT-S International Wireless Symposium.Washington D.C.,USA:IEEE Press,2016:1-4.
[16] ZHANG Zongtang,XIAO Shaoqiu,LI Yan,et al.High-order vortex beams generation in the radiofrequency domain[J].IEEE Antennas and Wireless Propagation Letters,2016,15:889-892.
[17] HUI Xiaonan,ZHENG Shilie,CHEN Yiling,et al.Multi-plexed millimeter wave communication with dualorbital angular momentum mode antennas[EB/OL].[2018-06-01].http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC4 437312& blobtype=pdf.
[18] BAI Qiang,TENNANT A,ALLEN B,et al.Generation of orbital angular momentum radio beams with phased patch array[C]//Proceedings of Loughborough Antennas and Propagation Conference.Washington D.C.,USA:IEEE Press,2014:410-413.