A wideband low RCS reflection screen based on artificial magnetic conductor orthogonal array | Zendy

Zhao Yi | Zendy; Cao Xiang-Yu | Zendy; Jun Gao | Zendy; Yao Xu | Zendy; Ma Jia-Jun | Zendy; Sijia Li | Zendy; Yang Huan-Huan | Zendy

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A wideband low RCS reflection screen based on artificial magnetic conductor orthogonal array

Author(s) -

Zhao Yi,

Cao Xiang-Yu,

Jun Gao,

Yao Xu,

Ma Jia-Jun,

Sijia Li,

Yang Huan-Huan

Publication year - 2013

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.62.154204

Subject(s) - wideband , optics , miniaturization , conductor , reflection (computer programming) , bandwidth (computing) , resonator , metamaterial , split ring resonator , radar cross section , reflection coefficient , materials science , scattering , optoelectronics , physics , computer science , telecommunications , composite material , programming language , nanotechnology

Based on the electromagnetic properties of complementary split ring resonator (CSRR), a novel artificial magnetic conductor (AMC), CSRR-AMC, is designed. The comparison of the reflection phase with square patch AMC reveals its features of miniaturization and multiband in-phase reflection, under X- and Y-polarized normal incident waves, respectively. Inspired by the reflection phase difference under different incident conditions, we have designed a wideband low rader cross-section (RCS) reflection screen with a single CSRR-AMC structure. The CSRR-AMC arrays are orthogonally positioned and the backscattering energy is reduced as a result of phase cancellation. Measured results demonstrate that -10dB RCS reduction is achieved in a wide frequency range of 7.38–10.47 GHz and the relative bandwidth is 34.6%, providing a new method for the design of wideband low scattering structure.

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