一种基于特征模理论设计的嵌入式全向共形天线

何其洪; 龚子平; 柯亨玉; 万显荣

doi:10.11999/JEIT160089

一种基于特征模理论设计的嵌入式全向共形天线

doi: 10.11999/JEIT160089

2.
(武汉大学电子信息学院武汉 430079) ②(中国电子科技集团公司第五十四研究所石家庄 050081)

基金项目:

国家自然科学基金(61331012, 61371197, 41333106)

计量
- 文章访问数: 1648
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- 被引次数: 0
出版历程
- 收稿日期: 2016-01-19
- 修回日期: 2016-08-01
- 刊出日期: 2016-11-19

An Embedded Omnidirectional Conformal Antenna Based on Theory of Characteristic Modes

2.
(School of Electronic Information, Wuhan University, Wuhan 430079, China)

Funds:

The National Natural Science Foundation of China (61331012, 61371197, 41333106)

摘要

摘要: 特征模理论能够为天线设计者展现关于天线工作原理的清晰物理景象。该文基于特征模理论，分析了从金属腔中简单环结构到组合倒L结构等多种结构形式的特征模参数以及相应模式的辐射特性，确定了适宜作为所需天线的结构形式，并研究了有效的激励方式。通过参数优化设计了一种工作于UHF频段、结构紧凑的嵌入式全向共形天线，并制作了天线样机。天线样机直径为中心频率的0.260 ，高度为0.080 ，测量电压驻波比小于2∶1的带宽为1.8%，测试结果与仿真结果吻合。验证了采用特征摸理论进行天线设计的方法之有效性。
- 全向共形天线 /
- 特征模理论 /
- 组合倒L天线
Abstract: The Theory of Characteristic Modes (TCM) provides the antenna designer with physical insight regarding the antenna operating principles. Based on TCM, this paper analyzes in detail the characteristic modes properties of the several transfigurations of metal ring in a cylinder cavity. These properties give information about the radiation ability of every structure. It is very helpful to choose the very right structure as the desired antenna. This paper also gives an effective feed for the combined Inverse-L mode. The manufactured antenna is measured. The measured results show that the band width is 1.8% for VSWR2, the diameter is 0.260, the height is 0.080, and the measured results agree well with the simulated ones. It is verified that the design method based on TCM is very effective.
- Omnidirectional conformal antenna /
- Theory of Characteristic Modes (TCM) /
- Combined inverse-L antenna

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参考文献(16)

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