epsilon-negative (ENG)和Mu-negative (MNG)超材料涂层圆柱体雷达截面(RCS)参数分析

2016 11th International Conference on Industrial and Information Systems (ICIIS) Pub Date : 2016-12-01 DOI:10.1109/ICIINFS.2016.8262898

K. Girish, R. U. Nair, Hema Singh

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引用次数: 0

摘要

减少航空航天结构的RCS是国防和航空领域的主要兴趣。为了减少RCS，在这些结构上应用了介电涂层。然而，电介质的电磁特性是有限的，难以控制。与此相反，超材料的电磁(EM)特性可以更灵活地定制。这就需要向低可观测性方向探索超材料的材料特性。本文对具有epsilon-负(ENG)和mu-负(MNG)型超材料涂层的完美导电(PEC)圆柱体进行了TE和TM极化的参数分析。结果表明，ENG和MNG涂层降低RCS的主要原因是抑制了电场和磁场的轴向分量。

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Parametric analysis of radar cross section (RCS) of cylinder coated with epsilon-negative (ENG) and Mu-negative (MNG) metamaterials

The RCS reduction of aerospace structures is of prime interest in defense and aviation. In order to reduce RCS, dielectric coatings are applied over these structures. However, the electromagnetic (EM) characteristics of dielectrics are limited and difficult to manipulate. Contrary to this, electromagnetic (EM) properties of metamaterials can be tailored more flexibly. This necessitates exploring the material properties of metamaterials towards low observability. In this paper, the parametric analysis of perfect electrical conducting (PEC) cylinder with epsilon-negative (ENG) and mu-negative (MNG) type metamaterial coating for both TE and TM polarizations is carried out. It is shown that RCS reduction with ENG and MNG coatings is mainly due to suppression of axial components of electric and magnetic fields.

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2016 11th International Conference on Industrial and Information Systems (ICIIS)

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