Homogenization of composite consisting from dielectric slab and wire grid assuming negative and non-negative permittivity, a comparison

Gona, Stanislav; Jilkova, Jana

doi:10.1109/comite.2010.5481269

15th Conference on Microwave Techniques COMITE 2010 2010

DOI: 10.1109/comite.2010.5481269

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Homogenization of composite consisting from dielectric slab and wire grid assuming negative and non-negative permittivity, a comparison

Stanislav Gona

Jana Jilkova

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2023

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On Modeling Antennas Using MoM-Based Algorithms: Wire-Grid versus Surface Triangulation

et al. 2023

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This paper focuses on antenna modeling using wire-grid and surface triangulation as two of the most commonly used MoM-based approaches in this field. A comprehensive overview is provided for each of them, including their history, applications, and limitations. The mathematical background of these approaches is briefly presented. Two working algorithms were developed and described in detail, along with their implementations using acceleration techniques. The wire-grid-based algorithm enables modeling of arbitrary antenna solid structures using their equivalent grid of wires according to a specific modeling recommendation proposed in earlier work. On the other hand, the surface triangulation-based algorithm enables calculation of antenna characteristics using a novel excitation source model. Additionally, a new mesh generator based on the combined use of the considered algorithms is developed. These algorithms were used to estimate the characteristics of several antenna types with different levels of complexity. The algorithms computational complexities were also obtained. The results obtained using these algorithms were compared with those obtained using the finite difference time domain numerical method, as well as those calculated analytically and measured. The analysis and comparisons were performed on the example of a rectangle spiral, a spiral, rounded bow-tie planar antennas, biconical, and horn antennas. Furthermore, the validity of the proposed algorithms is verified using the Monte Carlo methodology.

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On Modeling Antennas Using MoM-Based Algorithms: Wire-Grid versus Surface Triangulation

et al. 2023

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Homogenization of composite consisting from dielectric slab and wire grid assuming negative and non-negative permittivity, a comparison

Cited by 1 publication

References 4 publications

On Modeling Antennas Using MoM-Based Algorithms: Wire-Grid versus Surface Triangulation

On Modeling Antennas Using MoM-Based Algorithms: Wire-Grid versus Surface Triangulation

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