六边形环复合吸波超材料性能的等效电路分析方法

于家傲; 彭世蕤; 陈晓坤; 李有权

doi:10.11999/JEIT171103

六边形环复合吸波超材料性能的等效电路分析方法

doi: 10.11999/JEIT171103

1.
空军预警学院六系武汉 430019
2.
华中农业大学理学院武汉 430070

基金项目: 国家自然科学基金(61601492)

详细信息

作者简介:
于家傲：男，1989年生，博士生，研究方向为电子对抗技术、微带天线、电磁超材料等

彭世蕤：男，1963年生，教授，博士生导师，研究方向为电子对抗技术、微波技术与电磁场等

陈晓坤：女，1979年生，讲师，研究方向为微带天线、电磁超材料等

李有权：男，1980年生，讲师，研究方向为电子对抗技术、微带天线、电磁超材料等

通讯作者:
于家傲　 yujiaao123@126.com

中图分类号: TN804
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出版历程
- 收稿日期: 2017-11-24
- 修回日期: 2018-05-08
- 网络出版日期: 2018-06-07
- 刊出日期: 2018-08-01

Equivalent Circuit Method for Hexagonal Loop Composite Absorbing Material

1.
No.6 Department, Air Force Early Warning Academy, Wuhan 430019, China
2.
College of Science, Huazhong Agricultural University, Wuhan 430070, China

Funds: The National Natural Science Foundation of China (61601492)

摘要

摘要: 该文提出一种针对六边形环复合吸波超材料吸波性能的等效电路分析方法。基于六边形环谐振特性建立了等效电路模型，通过对六边形点阵分布的傅里叶分析，提出了等效分布周期参数，给出了基于模型尺寸的RLC参数提取方法。与全波仿真结果比较，所提出的等效电路模型对分析多种尺寸的六边形环复合吸波材料具有较好的适用性和准确性。通过样品制作和测量，进一步验证了该模型的有效性，最后实现了一款工作于1.7～5.7 GHz的宽带雷达吸波材料。
- 复合吸波超材料 /
- 等效电路模型 /
- 六边形环 /
- 宽带雷达吸波材料
Abstract: An equivalent circuit method of performance estimation for hexagonal loop composite absorbing metamaterial is proposed, and the corresponding equivalent circuit model is established. Based on the Fourier analysis of hexagonal lattice distribution, the equivalent distribution periodic parameter is proposed and the estimation method of RLC parameters is given according to the size of units. The applicability and accuracy of the equivalent circuit model for several structure dimensions are verified and compared with HFSS. A sample is fabricated and measured for further verification, which has a good broadband radar absorbing performance in 1.7～5.7 GHz.
- Composite absorbing metamaterial /
- Equivalent circuit method /
- Hexagonal loop /
- Wideband radar absorbing material

HTML全文

图 1 电阻加载六边形环复合吸波超材料周期结构

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图 2 六边形环复合吸波超材料等效电路模型

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图 3 六边形环CAM分布电参数

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图 4 Y_d和Y_CAM虚部仿真曲线

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图 5 六边形环周期p对反射系数的影响

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图 6 空气层厚度t₂对反射系数的影响

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图 7 集总电阻阻值R对反射系数的影响

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图 8 六边形环复合吸波超材料样品

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图 9 仿真与实测结果比较

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表 1 不同六边形环周期p的ECM模型中等效电容电感

p (mm)	等效电容 (pF)	等效电感 (μH)
24.0	0.50	6.6
26.0	0.28	6.8
28.0	0.19	7.0

下载: 导出CSV

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