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基于SCRLH-TL理论的共面波导激励槽环天线

Coplanar waveguide-fed slot-loop antenna based on theory of SCRLH-TL
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摘要 基于SCRLH-TL(Simplified Composite Right/Left Handed Transmission Line)理论提出了一种电感加载形式的共面波导激励槽环天线,通过在槽中间加载折线电感构造SCRLH-TL结构单元,调整折线电感的长度改变天线的谐振特性,有效降低了天线的谐振频率,从而相应地缩小了天线尺寸。利用数值方法分析了天线的性能,在F4B-2低损耗介质板上制作了天线实物。测试结果表明,加载并联电感后,天线尺寸相应地减小了32.12%,相对带宽达到10%,天线效率也有明显提高。天线的实测结果与仿真结果吻合较好。 Based on the theory of SCRLH-TL, a coplanar waveguide-fed slot-loop antenna was presented. The meander induetors were loaded on the antenna, which were placed in the center of the slot, so the structure unit of SCRLH-TL was structured. The resonant characteristics of antenna could be changed by adj usting the length of the meander induetors. By this means, the resonant frequency of antenna was reduced effectively, and the size of antenna was reduced accordingly. The performance of the antenna was analyzed by using numerical methods, and the antenna was realized on a F4B-2 PCB low loss substrate. The measure results show that the size of antenna is reduced by 32.12%, the relative bandwidth reaches 10% after loaded parallel inductors, and the antenna has more higher efficiency. The measure results are in good agreement with the simulation one.
作者 朱继宏
机构地区 武汉中原电子集团有限公司
出处 《电子元件与材料》 CAS CSCD 北大核心 2014年第9期79-82,共4页 Electronic Components And Materials
关键词 SCRLH—TL理论 共面波导 折线电感 尺寸 环形天线 传输线 SCRLH-TL theory coplanar waveguide meander inductor size loop antenna transmission line
分类号 TN713 [电子电信—电路与系统]
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参考文献6

  • 1LU S W, HUANG T F, HSU P. CPW-fed slot-loop coupled patch antenna on narrow substrate [J]. Electron Lett, 1999, 35: 682-683.
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二级参考文献7

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共引文献6

电子元件与材料
2014年 第9期

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