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An integral equation method dealing with surface waves on large finite periodic structures

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Author

Summary, in English

We present a method for studying large finite periodic structures using software developed for infinite periodic structures. The method is based on the Floquet-Bloch transformation, which splits the spatial description into one microscopic spatial variable inside the unit cell, and one macroscopic wave vector describing the variations on a scale encompassing many unit cells. The resulting algorithm is iterative, and solves an infinite periodic problem in each step, where the sources have been filtered through a windowing function. The computational cost for the iterations is negligible compared to computing the impedance matrices for the infinite periodic problems, and it is shown that the algorithm converges if the periodic structure is large enough.

Publishing year

2006

Language

English

Publication/Series

European Space Agency, (Special Publication) ESA SP

Volume

626 SP

Document type

Conference paper

Publisher

European Space Agency

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Floquet-Bloch transformation
  • Finite periodic structures
  • Windowing function
  • Wave vectors

Conference name

European Conference on Antennas and Propagation: EuCAP 2006

Conference date

2006-11-06 - 2006-11-10

Conference place

Nice, France

Status

Published

ISBN/ISSN/Other

  • ISSN: 0379-6566
  • ISSN: 1609-042X