| 三波段超材料吸波体及其优化* |
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| 引用本文： | 王落芬,林文斌,黄文媛,常,雷,廖,成.三波段超材料吸波体及其优化*[J].微波学报,2013,29(3):89-92. |
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| 作者姓名： | 王落芬 林文斌 黄文媛 常 雷 廖 成 |
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| 作者单位： | 西南交通大学电磁场与微波技术研究所,成都,610031 |
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| 基金项目： | 教育部新世纪优秀人才支持计划(NCET-10-0702);高等学校博士学科点专项科研基金(20110184110016);
中央高校基本科研业务费专项资金(SWJTU12ZT08)。 |
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| 摘 要： | 基于超材料的电磁谐振原理设计了一种三波段的超材料吸波体.该吸波体由电环谐振器和金属线组成.仿真结果显示,该谐振器有3个明显的吸收峰.在8.06GHz时,吸收率达到了94.02％；在4.76GHz时,吸收率为79.02％；而12.3GHz时,吸收率则是73％.在此基础上,利用一种结合了连续蚁群算法和差分进化算法的新型优化算法对该结构进行优化,使得该结构在4.9GHz和11.85GHz附近吸收率达到95％以上,可以灵活地实现特定频率处的高吸收率.
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| 关 键 词： | 电磁谐振 超材料 吸波体 优化算法 |
Triple-Band Metamaterial Absorber and Optimization |
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| WANG Luo-fen,LIN Wen-bin,HUANG Wen-yuan,CHANG Lei,LIAO Cheng.Triple-Band Metamaterial Absorber and Optimization[J].Journal of Microwaves,2013,29(3):89-92. |
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| Authors: | WANG Luo-fen LIN Wen-bin HUANG Wen-yuan CHANG Lei LIAO Cheng |
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| Institution: | (Institute of Electromagnetics, Southwest Jiaotong University, Chengdu, 610031, China) |
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| Abstract: | We designed a triple-band metamaterial absorber basing on the electromagnetic resonance. The absorber
consists of an electrical ring resonator and a split wire. Simulation results show that the absorber has three distinct absorption peaks. The absorption rates are 94%, 79% and 73% at the frequencies of 8. 06GHz, 4. 76GHz and 12. 3GHz respectively.Then,we apply the hybrid optimization algorithm, which include the continuous ant colony optimization and the differential evolution strategy, to optimize this absorber around 4. 9GHz and 11. 85GHz. After optimization, the absorption rates are more than 95% around these two frequencies. |
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| Keywords: | electromagnetic resonance metamaterial absorber optimization algorithm |
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