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The transmission-line modeling (TLM) numerical method is employed to investigate the high-frequency shielding effectiveness (SE) of a metallic enclosure with unconventional aperture geometries. Analytical methods can predict SE but they have two main limitations: one is they can predict the SE of enclosure with very simple aperture shapes and second is that results cannot be predicted with accuracy...
Miniaturized combined-element frequency selective surfaces (CEFSSs) for tri-band applications are proposed using complementary structures. The three pass-bands of the proposed structures can be designed independently, which makes the design process much easier and more flexible than traditional tri-band FSSs. Besides, comparing to former designed combined-element FSSs, the structures proposed in this...
In order to analyze the effects of changing the value of PIN diodes and variodes on the resonant frequency and the depth of the resonance, we firstly use electromagnetic simulation solver to simulate frequency selective surface (FSS) loaded with PIN diodes and variodes respectively in this paper. Then, the equivalent circuit method (ECM) is used to validate correctness and prove rule of influence...
In order to analyse the scattering properties of the curved electrically large structures with Frequency Selective Surfaces (FSSs) using FDTD algorithm, we propose a modelling way for FSS on curved surfaces, in which cylindrical, conical and spherical surfaces are included, respectively. In this paper, first, the novel modelling way is illustrated in detail, and then, the scattering problems are validated...
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