邹德友,林文斌,唐晋生,阚国锦,郑浩天

• 1:西南交通大学电磁场与微波技术研究所

摘要(Abstract)：

设计了一种新型的超宽带介质谐振器天线。该天线采用微带-槽耦合馈电方式,通过在地板上开矩形槽,背面由50Ω的微带线中心馈电,从而展宽带宽。采用类似T型层叠结构,产生两种频率相近的模式,从而显著提高天线的阻抗带宽。仿真结果显示,该新型超宽带介质谐振器天线工作于X波段,天线的相对阻抗带宽达到47.37%,频段内平均增益超过7.2 d Bi,天线方向图对称性良好。天线的整体辐射特性良好,且结构简单,易于实现,可应用在微波通信、雷达等领域。

关键词(KeyWords)： 介质谐振器;超宽带;X波段;微带-槽耦合;阻抗带宽;高增益

Abstract:

Keywords:

基金项目(Foundation): 高等学校博士学科点专项科研基金资助课题(20110184110016);; 中央高校基本科研业务费专项资金专题研究项目(SWJTU12ZT08)~~

作者(Author): 邹德友,林文斌,唐晋生,阚国锦,郑浩天

DOI: 10.16652/j.issn.1004-373x.2018.03.007

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