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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Novel Frequency Reconfigurable Polarization Converter Based on Active Metasurface
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A Novel Frequency Reconfigurable Polarization Converter Based on Active Metasurface

机译：基于有源超表面的新型频率可重构极化转换器

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摘要

In this paper, a novel frequency reconfigureable polarization converter (FRPC) based on active metasurface tuned by positive-intrinsic-negative (PIN) diodes is proposed. The metasurface unit cell of the FRPC consists of truncated metal square patches and bias lines, which are all etched on a substrate backed by a metal ground. On one hand, the FRPC can convert linearly polarized waves along the x-and y-axis into left- and right-hand circularly polarized waves from 5.13 to 5.61 GHz and from 5.37 to 6.72 GHz when all PIN diodes are turned ON and OFF, respectively. On the other hand, the proposed FRPC shows good angle stabilities when the incident angle ranges from 00 to 300 over the dual frequency bands. The simulated results show that the total 3 dB axial ratio relative bandwidth is more than 26%. To validate the polarization converter, a prototype of the FRPC is fabricated and measured. Measured results agree well with the simulation ones.
机译：本文提出了一种基于正本征（PIN）二极管调谐的有源超表面的新型频率可重构偏振转换器（FRPC）。 FRPC的超表面晶胞由截断的金属方形贴片和偏置线组成，它们均被蚀刻在具有金属底衬的基板上。一方面，当打开和关闭所有PIN二极管时，FRPC可以将沿x轴和y轴的线性极化波转换为从5.13至5.61 GHz和从5.37至6.72 GHz的左旋和右旋圆偏振波，分别。另一方面，当入射角在双频带上的范围从00到300时，建议的FRPC表现出良好的角度稳定性。仿真结果表明，总的3 dB轴向比率相对带宽大于26％。为了验证偏振转换器，制造并测量了FRPC的原型。测量结果与仿真结果吻合良好。

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  • 作者

    Liu Guangyao; Han Jiaqi; Gao Xiaohe; Liu Haixia; Li Long;

  • 作者单位

    Xidian Univ, Key Lab High Speed Circuit Design & EMC, Minist Educ, Sch Elect Engn,Collaborat Innovat Ctr Informat Se, Xian 710071, Shaanxi, Peoples R China;

    Xidian Univ, Key Lab High Speed Circuit Design & EMC, Minist Educ, Sch Elect Engn,Collaborat Innovat Ctr Informat Se, Xian 710071, Shaanxi, Peoples R China;

    Xidian Univ, Key Lab High Speed Circuit Design & EMC, Minist Educ, Sch Elect Engn,Collaborat Innovat Ctr Informat Se, Xian 710071, Shaanxi, Peoples R China;

    Xidian Univ, Key Lab High Speed Circuit Design & EMC, Minist Educ, Sch Elect Engn,Collaborat Innovat Ctr Informat Se, Xian 710071, Shaanxi, Peoples R China;

    Xidian Univ, Key Lab High Speed Circuit Design & EMC, Minist Educ, Sch Elect Engn,Collaborat Innovat Ctr Informat Se, Xian 710071, Shaanxi, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Active metasurface; frequency reconfigurable; PIN diode; polarization converter;

    机译：主动元表面;频率可重新配置;引脚二极管;极化转换器;

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