| 三维椭球隐身条件的严格推导及其隐身特性验证 |
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| 引用本文： | 吴群,张狂,孟繁义,李乐伟. 三维椭球隐身条件的严格推导及其隐身特性验证[J]. 海洋学报, 2010, 32(9): 6071-6077 |
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| 作者姓名： | 吴群 张狂 孟繁义 李乐伟 |
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| 作者单位： | 哈尔滨工业大学电子与信息工程院,哈尔滨 150001;哈尔滨工业大学电子与信息工程院,哈尔滨 150001;哈尔滨工业大学电子与信息工程院,哈尔滨 150001;哈尔滨工业大学电子与信息工程院,哈尔滨 150001;新加坡国立大学电气与计算机工程系,新加坡 119260 |
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| 基金项目： | 国家自然科学基金(批准号:60971064,60801015),教育部博士点基金(批准号:20070213058),中国博士后科学基金(批准号:20070420158)资助的课题. |
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| 摘 要： | 基于坐标变换理论,提出并推导了任意轴比下三维椭球的隐身条件,得到了相应隐身罩材料本构参数张量的通解表达式.根据导出的本构参数张量,利用电磁仿真软件分别对不同轴比的三个典型算例进行仿真验证.仿真结果证实了所导出的本构参数张量的正确性.这些分析结果为隐身物理机理的进一步理解,以及三维隐身罩的设计奠定了更充分的理论基础.
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| 关 键 词： | 三维椭球隐身罩 坐标变换 非均匀各向异性介质 本构参数张量 |
Derivation of three-dimensional axiolitic cloak and the invisibility verification |
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| Wu Qun,Zhang Kuang,Meng Fan-Yi and Li Le-Wei. Derivation of three-dimensional axiolitic cloak and the invisibility verification[J]. Acta Oceanologica Sinica (in Chinese), 2010, 32(9): 6071-6077 |
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| Authors: | Wu Qun Zhang Kuang Meng Fan-Yi Li Le-Wei |
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| Affiliation: | Department of Electronic and Communications Engineering, Harbin Institute of Technology, Harbin 150001, China;Department of Electronic and Communications Engineering, Harbin Institute of Technology, Harbin 150001, China;Department of Electronic and Communications Engineering, Harbin Institute of Technology, Harbin 150001, China;Department of Electronic and Communications Engineering, Harbin Institute of Technology, Harbin 150001, China;Department of Electrical and Computer Engineering, National University of Singapore, Singapore 119260, Singapore |
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| Abstract: | Arbitrary three-dimensional axiolitic cloaks are proposed and designed based on the coordinate transformation theory. The general expressions of constitutive tensors of the cloak are derived, and then some full-wave simulations of the cloaks based on the constitutive tensors that we derived are performed. The results of full-wave simulations validate the general expressions of constitutive tensors of the three-dimensional axiolitic cloaks. |
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| Keywords: | three-dimensional axiolitic cloak coordinate transformation anisotropic and inhomogeneous metamaterial constitutive tensor |
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