A CODING METASURFACE WITH PROPERTIES OF ABSORPTION AND DIFFUSION FOR RCS REDUCTION | Zendy

Tong Han | Zendy; Xiangyu Cao | Zendy; Jun Gao | Zendy; Yanlong Zhao | Zendy; Zhao Yi | Zendy

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A CODING METASURFACE WITH PROPERTIES OF ABSORPTION AND DIFFUSION FOR RCS REDUCTION

Author(s) -

Tong Han,

Xiangyu Cao,

Jun Gao,

Yanlong Zhao,

Zhao Yi

Publication year - 2017

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc17041201

Subject(s) - reduction (mathematics) , diffusion , coding (social sciences) , absorption (acoustics) , materials science , optoelectronics , physics , composite material , mathematics , statistics , geometry , thermodynamics

A low-radar cross section (RCS) coding metasurface (MS) with properties of absorption and diffusion for both normal and oblique incidences is proposed in this paper. The coding MS is composed of a miniaturized perfect metamaterial absorber (PMA) and a wideband artificial magnetic conductor (AMC) in a shared aperture. In addition, to avoid strong scattering energy appearing at specific directions, genetic algorithm (GA) is adopted to search the optimal layout of the two MS elements. Simulated and experimental results confirm the properties of coding MS and indicate that the 6-dB RCS reduction bands under TEand TM-polarized normal incident waves are 6.28 GHz–9.16 GHz and 6.33 GHz–9.41 GHz, respectively.

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