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Electromagnetic plane wave scattering by large and finite strip array on dielectric slab

Diffraction D’une onde Plane Électromagnétique par un Grand Réseau Fini de Rubans Conducteurs sur une Plaque Diélectrique

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Abstract

Plane wave scattering from a large but finite strip array on dielectric substrate is analysed in the frequency domain via a decomposition into plane wave spectra by using the method of moments and a closed analytical form of the spectral Green’s function for the structure under examination. Closed form asymptotic expressions are developed for mutual coupling terms which lead to a highly efficient and accurate procedure. New results for radar cross section in the ultra-wideband frequency range of the finite strip array are shown. Influence of the resistivity of the strips in the variation of the radar cross section is noted and discussed. Variations of the radar cross section with the scattering angle are presented as well.

Résumé

L’article étudie la diffraction d’une onde plane par un réseau constitué d’un nombre grand mais fini de rubans conducteurs sur un substrat diélectrique. L’analyse est effectuée dans le domaine fréquentiel en utilisan une décomposition de I’onde diffractée en un spectre d’ondes planes. La méthode des moments et une forme analytique explicite de lafonction de Green spectrale conduisent à des expressions asymptotiques explicites des termes de couplage, d’une manière efficace et précise. De nouveaux résultats sont obtenus pour la surface équivalente radar (ser) dans une très large bande de fréquences, en particulier, L’influence de la résistivite des rubans et la variation en fonction de I’angle de diffraction.

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Authors and Affiliations

  1. Third University of Rome, Via della Vasca Navale 84, 00184, Rome, Italie

    Lucio Vegni & Alessandro Toscano

  2. Electrotechnical Faculty, University of Skopje, Skopje, Republic of Macedonia

    Borislav Popovski

Authors
  1. Lucio Vegni
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  2. Alessandro Toscano
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  3. Borislav Popovski
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Vegni, L., Toscano, A. & Popovski, B. Electromagnetic plane wave scattering by large and finite strip array on dielectric slab. Ann. Télécommun. 52, 209–218 (1997). https://doi.org/10.1007/BF02996046

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  • DOI: https://doi.org/10.1007/BF02996046

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