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Split-ring resonators (SRRs) and continuous metallic wires were used to realize double negative materials (DNGs). In this paper, we discuss two kinds of DNG structures with different periodic arrangement. One is the conventional model with air separation, and the other is the solid-state structure. Full-wave simulations are used to analyze the effective medium characteristics and the figure of merit...
The thoughts and methods of Capability-Based requirement analysis have gone increasingly deep into the development of Weapon System-of-Systems (WSoS). Effective analysis and programming of capability are fundamental tasks for requirement analysis of WSoS. Under the background of operation, there are repeating capabilities among different operational tasks. Acquiring Capability Index Requirements (CIRs)...
Two novel wavy electromagnetic bandgap (EBG) structures have been proposed and applied to power/ground plane pairs for ultra-wideband ground bounce noise (GBN) suppression. The proposed two designs have shown good performance. The -40 dB suppression bandwidth of the first design is from 344 MHz to 20 GHz. For the second design, the -49 dB suppression bandwidth is from 304 MHz to 20 GHz. Both results...
In this paper, a novel uniplanar compact EBG structure which integrates L-bridged EBG structure with slits is proposed for ultra-wideband GBN suppression in PCBs. The GBN suppression bandwidth is broadened to cover from 432 MHz to 15 GHz without using multilayer and cascading different period structures. The distinctive behavior of the new EBG power plane in ultra-wideband suppression of the GBN is...
In this paper, we report our experimental and numerical results, confirming the phenomenon of dual in-phase reflection, i.e. dual-resonant behavior, for a TM-polarization plane wave oblique incidence on the conventional mushroom-like EBG structures. A modified local resonance cavity (MLRCC) model of EBG structures has been presented to explain the essential features of dual- resonant behavior and...
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