使用棋盘格EBG表面的RCS减少带宽增强

2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) Pub Date : 2014-07-13 DOI:10.1109/ANTEM.2014.6887720

Wengang Chen, C. Balanis

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引用次数: 13

摘要

将完美电导体(PEC)与电磁带隙(EBG)结构结合在同一地平面上，利用电磁带隙结构的特性改变散射场。由于反相特性，反射能量可以重新定向到四个象限和一个零向法线方向出现。为了增加带宽，在同一地平面上提出了不同EBG结构的棋盘状面。设计了两种不同配置的EBG结构来实现180°相位差，以实现更宽的波段雷达截面(RCS)降低。将这些表面的RCS与等尺寸的PEC地平面进行了比较。

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Bandwidth enhancement for RCS reduction using checkerboard EBG surfaces

The properties of Electromagnetic Band-Gap (EBG) structures are used to alter the scattering fields by combining Perfect Electric Conductor (PEC) and EBG structures on the same ground plane. Due to the anti-phase property, the reflected energy can be re-directed toward four quadrants and a null to appear toward the normal direction. To increase the bandwidth, checkerboard surfaces of different EBG structures on the same ground plane are proposed. Two different configurations of EBG structures are designed to realize the 180° phase difference, in order to achieve a wider band Radar Cross Section (RCS) reduction. The RCS of the surfaces are compared with those of the equal-sized PEC ground planes.

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2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM)

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