可调谐高阻抗波导的研究
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- 英文论文题名：Research of tunable high impedance waveguide
- 论文作者：陈可 ; 张云华 ; 何思远 ; 朱国强
- 英文论文作者：K.Chen ; Y.H.Zhang ; S.Y.He ; G.Q.Zhu
- 年：2017
- 作者机构：武汉大学;
- 论文关键词：高阻抗表面 ; 高阻抗波导传播特性 ; 可调谐波导
- 英文论文关键词：high impedance surface ; propagation of high impedance waveguide ; tunable high impedance waveguide
- 会议召开时间：2017-05-08
- 会议录名称：2017年全国微波毫米波会议论文集（中册）
- 英文会议录名称：Proceedings of 2017 National Conference on Microwave and Millimeter Waves(NCMMW2017)
- 语种：中文
- 分类号：TN814
- 学会代码：ZDWB
- 会议名称：2017年全国微波毫米波会议
- 会议地点：中国浙江杭州
- 主办单位：中国电子学会
- 学会名称：中国电子学会微波分会
- 页数：4
- 文件大小：1156k
- 原文格式：D
- 会议级别：全国
摘要
本文利用高阻抗表面的阻抗特性和反射相位特性,将高阻抗表面加载到矩形波导内壁上,设计了相位常数可调谐的高阻抗波导。首先分析高阻抗波导的传播特性并给出准确的表达式,根据表达式,传播常数随着阻抗的增大而增大。由这一特性,先在高阻抗表面上加载集总元件,使其阻抗变化范围可控。再将高阻抗表面放置波导内壁上,通过调节电容值,实现了高阻抗波导相位常数和波束方向的调谐。
This paper is designed a propagation constant tunable high impedance waveguide(HIW) by a rectangular waveguide loaded with high impedance surface(HIS), base on the impedance and reflection phase properties of high impedance surface(HIS). Analysis the propagation feature of high impedance waveguide and obtain an accurate equation of propagation constant. From this equation, propagation constant change with impedance of HIS. The tunable HIS based on HIS loaded with capacitance, then the impedance of HIS is controlled by variation of the capacitance. Then the propagation constant and beam angle of tunable HIW changes according when the capacitance changes.
This paper is designed a propagation constant tunable high impedance waveguide(HIW) by a rectangular waveguide loaded with high impedance surface(HIS), base on the impedance and reflection phase properties of high impedance surface(HIS). Analysis the propagation feature of high impedance waveguide and obtain an accurate equation of propagation constant. From this equation, propagation constant change with impedance of HIS. The tunable HIS based on HIS loaded with capacitance, then the impedance of HIS is controlled by variation of the capacitance. Then the propagation constant and beam angle of tunable HIW changes according when the capacitance changes.
引文
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[3]Luukkonen O,Simovski C,Granet G,et al.Simple and Accurate Analytical Model of Planar Grids and High-Impedance Surfaces Comprising Metal Strips or Patches[J].IEEE Transactions on Antennas&Propagation,2007,56(6):1624-1632.
[4]Pozar D M.Microwave engineering[M].Academic Pr,2006.
[5]Jackson D R,Oliner A A,Ip A.Leaky-wave propagation and radiation for a narrow-beam multiple-layer dielectric structure[J].IEEE Transactions on Antennas&Propagation,1993,41(3):344-348.