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基于开环谐振结构的超宽带天线设计 被引量：2

Design of ultra-wideband (UWB) antenna based on split-ring resonators
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摘要 提出了一种新颖的小型共面波导馈电超宽带(UWB)天线。该天线是基于开环谐振器(SRRs)的结构变形而来,设计时共采用了三对成等差数列的开环谐振结构作为天线的辐射面,同时为了获得较好的超宽带频率特性,馈电微带线采用了渐变微带线共面波导馈电结构。通过数值仿真计算获得了优化后的天线几何尺寸,并且加工制作了一副天线,对天线的回波损耗特性、方向图以及增益都进行了测试。测试结果显示该天线具有良好的超宽带特性和较高的增益。 A novel ultra-wideband （UWB） antenna fed by planar coplanar waveguide （CPW） is presented in this paper. In the basis of split-ring resonators （SRRs） structure, three SRRs with a dimension varing proportionally to the arithmetic progression sequence is designed as the radiation surface. A tapered transmission line is adopted to improve the return loss performance in the required band. By numerical simulation, a new UWB antenna is optimized, fabricated and measured. The measured results show that the proposed UWB antenna has a wide bandwidth from 2.0 GHz to 18 GHz, and all the measured return losses are less than -10 dB in the whole band with excellent radiation characteristics and relative high gain.
作者 杨国敏 金荣洪 耿军平 何蔚 房志江 吴琦 丁敏 芮贤义
机构地区 上海交通大学电子工程系
出处 《电波科学学报》 EI CSCD 北大核心 2008年第2期239-242,251,共5页 Chinese Journal of Radio Science
基金 国家自然科学基金项目(F010402/60501016)
关键词 开环谐振器 超宽带天线 共面波导 split-ring resonators ultra-wideband （UWB） antenna coplanar waveguide （CPW）
分类号 TN823 [电子电信—信息与通信工程]
  • 相关文献

参考文献10

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二级参考文献21

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共引文献30

同被引文献26

  • 1钟顺时,梁仙灵,延晓荣.超宽带平面天线技术[J].电波科学学报,2007,22(2):308-315. 被引量：56
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引证文献2

二级引证文献10

电波科学学报
2008年 第2期

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