刘冶,李竹影,俞翔,曹文康,赵亚.形状任意的超材料电磁隐身波长变换器的设计[J].装备环境工程,2016,13(1):98-101. LIU Ye,LI Zhu-ying,YU Xiang,CAO Wen-kang,ZHAO Ya.Design of Metamaterial Electromagnetic Invisible Wavelength Transformer with Arbitrary Shape[J].Equipment Environmental Engineering,2016,13(1):98-101.
形状任意的超材料电磁隐身波长变换器的设计
Design of Metamaterial Electromagnetic Invisible Wavelength Transformer with Arbitrary Shape
投稿时间:2015-07-07  修订日期:2016-02-15
DOI:10.7643/issn.1672-9242.2016.01.018
中文关键词:  超材料  坐标变换  波长变换器  隐身
英文关键词:metamaterial  coordinate transformation  wavelength-transformer  invisibility
基金项目:国防预研基金项目 (9140A270304)
作者单位
刘冶 海军工程大学,武汉 430033 
李竹影 海军工程大学,武汉 430033 
俞翔 海军工程大学,武汉 430033 
曹文康 海军工程大学,武汉 430033 
赵亚 海军工程大学,武汉 430033 
AuthorInstitution
LIU Ye Naval University of Engineering,Wuhan 430033,China 
LI Zhu-ying Naval University of Engineering,Wuhan 430033,China 
YU Xiang Naval University of Engineering,Wuhan 430033,China 
CAO Wen-kang Naval University of Engineering,Wuhan 430033,China 
ZHAO Ya Naval University of Engineering,Wuhan 430033,China 
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中文摘要:
      目的 研究形状任意的超材料电磁隐身波长变换器的设计方法。方法 基于坐标变换理论,通过对空间中的不同区域先后进行压缩和扩张变换, 设计出该装置不同区域的电磁参数张量。结果 一方面, 入射波经过该装置时, 在其界面不产生散射, 并且入射波穿过装置进入外部自由空间时又能恢复其初始传播状态; 另一方面, 该装置在特定区域改变了电磁波的波长。结论 有限元软件的仿真结果显示波长变换器实现了预期的电磁功能, 从而验证了该装置电磁参数张量表达式的正确性。
英文摘要:
      Objective To study the design method of metamaterial electromagnetic invisible wavelength transformer with arbitrary shape. Methods Based on coordinate transformation theory, by means of compressing certain region and then expanding another one in the space, the electromagnetic tensors of the device in different regions were deduced. Results On one hand, when the incoming waves propagated into the device, there was no scattering on the boundary of the device. And the waves returned to their original propagation when they propagated into the free space from the inner region of the device. On the other hand, the device could change the wavelength of electromagnetic wave in the particular region. Conclusion The simulation results of the software based on finite element method showed that the wavelength transformer realized the anticipated electromagnetic function, which validated the electromagnetic tensor expressions of the device.
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