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Homogenization of corrugated interfaces in electromagnetics

Författare:
Publiceringsår: 2005
Språk: Engelska
Sidor: 1-31
Publikation/Tidskrift/Serie: Progress in Electromagnetics Research-Pier
Volym: PIER 55
Dokumenttyp: Artikel i tidskrift
Förlag: EMW Publishing

Sammanfattning

A surface with periodic corrugations of sufficiently small

periodicity is shown to be electromagnetically equivalent to an

inhomogeneous transition region (slab). Explicit expressions for

the inhomogeneous transition region are found for one-dimensional

corrugations and for two-dimensional corrugations a local elliptic

problem has to be solved in order to find the equivalent electromagnetic

properties. The homogenized surface can be characterized by its

surface impedance dyadic or its reflection dyadic. A few numerical

examples illustrate the theory.

Nyckelord

  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Other Electrical Engineering, Electronic Engineering, Information Engineering

Övriga

Published
  • Electromagnetic theory-lup-obsolete
  • ISSN: 1070-4698

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