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首页> 外文期刊>Journal of Microwaves, Optoelectronics and Electromagnetic Applications >Characterization of Switchable Rectangular Ring FSS with Non Coupled Parallel Metallic Strips for Multi Band and Dual Polarized Applications Using WCIP Method
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Characterization of Switchable Rectangular Ring FSS with Non Coupled Parallel Metallic Strips for Multi Band and Dual Polarized Applications Using WCIP Method

机译：使用WCIP方法表征多频带和双极化应用中具有非耦合平行金属条的可切换矩形环FSS

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摘要

In this paper, a rectangular metallic ring FSS (Frequency Selective Surfaces) with parallel metallic strips for multi band applications are characterized by the WCIP (Wave Concept Iterative Procedure) method. The proposed FSS structures are made of metallic elements that are simultaneously independent in the spatial domain and uncoupled in the spectral domain. Thus the FSS multiband behavior can be achieved only by a building process based on independent metallic elements in both domains. The resonant characteristics of the proposed FSS are determined. The structure shows three resonant frequencies when the incident wave is x-polarized and three resonant frequencies when the source is polarized in the orthogonal direction. A variation in the length of the strips and the rectangular ring allows a fine tuning in the FSS resonant frequencies to give raise to tuned bandwidths. The suppression of a resonant frequency can be insured either by the elimination of the responsible metallic strip or by the insertion of a PIN diode switch. Three FSS structures are manufactured and characterized. The FSS bandwidth can be enhanced in both perpendicular FSS exciting source directions by only varying the strips lengths and the ring dimensions to the corresponding resonant frequencies. A good agreement is obtained when the WCIP results are compared with the simulations of COMSOL Multiphysics software and experiment.
机译：在本文中，通过WCIP（波概念迭代过程）方法对具有多金属带平行金属条的矩形金属环FSS（频率选择表面）进行了表征。所提出的FSS结构由金属元素制成，该金属元素在空间域中是同时独立的，而在光谱域中是不耦合的。因此，只有通过基于两个域中独立金属元素的构建过程才能实现FSS多频带行为。确定了所提出的FSS的谐振特性。当入射波被X极化时，该结构显示三个共振频率;当源在正交方向上极化时，该结构显示三个共振频率。条带和矩形环的长度变化允许对FSS谐振频率进行微调，以提高调谐带宽。消除谐振金属条或插入PIN二极管开关可确保抑制谐振频率。制造并表征了三种FSS结构。通过仅将条带的长度和环的尺寸更改为相应的谐振频率，可以在两个垂直FSS激励源方向上增强FSS带宽。将WCIP结果与COMSOL Multiphysics软件的仿真结果和实验结果进行比较，可以得出很好的一致性。

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