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An advanced optimization technique for layer-specific characterization of slab metamaterials

机译:板超材料特定层表征的一种先进优化技术

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摘要

A new optimization technique for evaluating the complex effective relative permittivity and permeability of elementary sub-slab whose thickness equals to the constant of a unit cell of a slab metamaterial is developed. The objective of the technique is based on a numerical solving of appropriate minimization problem for a cascaded network representation of the slab metamaterial utilizing the Effective Medium Theory (EMT) and the definition of S- and T-parameters of the metamaterials considered as a four-pole network. The technique is tested using the open source FDTD software package and the optimization technique obtained [O. Rybin and M. Raza, Int. J. Appl. Electrom. Mech. 32, 207 (2010)].
机译:开发了一种新的优化技术,用于评估厚度等于板超材料的晶胞常数的基本子板的复数有效相对介电常数和磁导率。该技术的目标是基于使用有效介质理论(EMT)对板超材料的级联网络表示进行适当最小化问题的数值求解,并且将超材料的S参数和T参数定义为四级。极网。使用开源FDTD软件包对该技术进行了测试,并获得了优化技术[O. Rybin和M.Raza,国际J.应用电子。机甲。 32,207(2010)]。

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