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首页> 外文会议>IEEE Students Conference on Engineering and Systems >Polarization Insensitive Tunable Dual-Band Absorber
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Polarization Insensitive Tunable Dual-Band Absorber

机译：偏振不灵敏可调双频吸收器

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摘要

For C-band and X-band applications a tunable dual-band microwave absorber has been described in this paper. The design consists of a cross metallic design connected via the varactor diodes to parts of the circular ring. This metallic pattern has been designed on top of a lossy dielectric substrate. The backside, i.e. ground plane is fully laminated with metal which ensures zero transmission. The frequency of absorption can be regulated along wide frequency range. This can be achieved by controlling the varactor diode's reverse voltage. The innovation of the proposed dual-band tunable absorber is that it has four-fold symmetry and therefore it shows polarization-insensitive behaviour. Hence unlike the previously mentioned absorbers that show tunable behavior but don't have polarization insensitive property, it can be used for practical applications. This dual-band tunable absorber can be used in functional applications because it has outstanding absorption properties and also has a clear structure.
机译：对于C波段和X波段应用，本文描述了一种可调谐的双波段微波吸收器。该设计包括交叉金属设计，该设计通过变容二极管连接到圆环的各个部分。该金属图案已设计在有损介电基板的顶部。背面（即接地层）完全由金属层压而成，可确保零透射率。吸收频率可以在很宽的频率范围内调节。这可以通过控制变容二极管的反向电压来实现。所提出的双波段可调吸收器的创新之处在于它具有四重对称性，因此显示出对偏振不敏感的行为。因此，与前面提到的具有可调性能但不具有偏振不敏感特性的吸收器不同，它可以用于实际应用。这种双波段可调吸收器具有出色的吸收性能并且结构清晰，因此可用于功能性应用。

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