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Homogenization of corrugated interfaces in electromagnetics

Författare:
Publiceringsår: 2004
Språk: Engelska
Sidor:
Publikation/Tidskrift/Serie: Technical Report LUTEDX/(TEAT-7122)/1-29/(2004)
Volym: TEAT-7122
Dokumenttyp: Rapport
Förlag: [Publisher information missing]

Sammanfattning

A surface with periodic corrugations of suffciently 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

Övriga

Published
  • Electromagnetic theory-lup-obsolete

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