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A Miniaturized Polarization Independent Frequency Selective Surface with Stepped Profile for Shielding Applications

机译:用于屏蔽应用的具有阶梯轮廓的小型化偏振无关频率选择表面

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摘要

In this paper, a miniaturized Frequency Selective Surface (FSS) with band-stop characteristics is presented for shielding applications. The FSS is designed to notch at 3.5 GHz frequency in the WiMAX band. The design is composed of a circular metallic patch with identical stepped profile printed on both sides of a low cost FR-4 laminate. The design provides an attenuation of 43 dB at desired resonant frequency. The FSS geometry makes it independent of polarization and it offers stable transmission response. Oblique angle variations don't affect the unit cell performance, for transverse electric and transverse magnetic modes of polarization. The FSS unit cell is compact with the dimensions of 25 x 25 mm(2). The simulated and measured results show good agreement for the proposed design.
机译:本文针对屏蔽应用提出了一种具有带阻特性的小型化频率选择表面(FSS)。 FSS设计为在WiMAX频段中以3.5 GHz频率陷波。该设计由圆形金属贴片组成,在低成本FR-4层压板的两面都印有相同的台阶轮廓。该设计在所需的谐振频率下提供43 dB的衰减。 FSS几何形状使其不受极化影响,并提供稳定的传输响应。对于极化的横向电和横向磁模式,倾斜角度变化不会影响晶胞性能。 FSS单元电池紧凑,尺寸为25 x 25 mm(2)。仿真和测量结果表明,该设计具有良好的一致性。

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