六邊形環(huán)復(fù)合吸波超材料性能的等效電路分析方法

于家傲; 彭世蕤; 陳曉坤; 李有權(quán)

doi:10.11999/JEIT171103

六邊形環(huán)復(fù)合吸波超材料性能的等效電路分析方法

doi: 10.11999/JEIT171103

1.
空軍預(yù)警學(xué)院六系 ??武漢 ??430019
2.
華中農(nóng)業(yè)大學(xué)理學(xué)院 ??武漢 ??430070

基金項目: 國家自然科學(xué)基金(61601492)

詳細(xì)信息

作者簡介:
于家傲：男，1989年生，博士生，研究方向為電子對抗技術(shù)、微帶天線、電磁超材料等

彭世蕤：男，1963年生，教授，博士生導(dǎo)師，研究方向為電子對抗技術(shù)、微波技術(shù)與電磁場等

陳曉坤：女，1979年生，講師，研究方向為微帶天線、電磁超材料等

李有權(quán)：男，1980年生，講師，研究方向為電子對抗技術(shù)、微帶天線、電磁超材料等

通訊作者:
于家傲　 yujiaao123@126.com

中圖分類號: TN804
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2017-11-24
- 修回日期: 2018-05-08
- 網(wǎng)絡(luò)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: 該文提出一種針對六邊形環(huán)復(fù)合吸波超材料吸波性能的等效電路分析方法?；诹呅苇h(huán)諧振特性建立了等效電路模型，通過對六邊形點陣分布的傅里葉分析，提出了等效分布周期參數(shù)，給出了基于模型尺寸的RLC參數(shù)提取方法。與全波仿真結(jié)果比較，所提出的等效電路模型對分析多種尺寸的六邊形環(huán)復(fù)合吸波材料具有較好的適用性和準(zhǔn)確性。通過樣品制作和測量，進(jìn)一步驗證了該模型的有效性，最后實現(xiàn)了一款工作于1.7～5.7 GHz的寬帶雷達(dá)吸波材料。
- 復(fù)合吸波超材料 /
- 等效電路模型 /
- 六邊形環(huán) /
- 寬帶雷達(dá)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

圖 1 電阻加載六邊形環(huán)復(fù)合吸波超材料周期結(jié)構(gòu)

下載: 全尺寸圖片幻燈片

圖 2 六邊形環(huán)復(fù)合吸波超材料等效電路模型

下載: 全尺寸圖片幻燈片

圖 3 六邊形環(huán)CAM分布電參數(shù)

下載: 全尺寸圖片幻燈片

圖 4 Y_d和Y_CAM虛部仿真曲線

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圖 5 六邊形環(huán)周期p對反射系數(shù)的影響

下載: 全尺寸圖片幻燈片

圖 6 空氣層厚度t₂對反射系數(shù)的影響

下載: 全尺寸圖片幻燈片

圖 7 集總電阻阻值R對反射系數(shù)的影響

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圖 8 六邊形環(huán)復(fù)合吸波超材料樣品

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圖 9 仿真與實測結(jié)果比較

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表 1 不同六邊形環(huán)周期p的ECM模型中等效電容電感

p (mm)	等效電容 (pF)	等效電感 (μH)
24.0	0.50	6.6
26.0	0.28	6.8
28.0	0.19	7.0

下載: 導(dǎo)出CSV

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