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Identification of the current distribution on a radome from near-field measurements

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Author

Summary, in English

Information about the equivalent current distribution on a radome can be used to improve radome design, detect manufacturing errors, and to verify numerical simulations. In this paper, the transformation from near-field data to the equivalent current distribution is analyzed. The transformation is based on a singular value decomposition of the surface integral equation that relates the equivalent current to the near-field data. The attempt is to develop a mathematical model that

easily can be used for arbitrary geometric structures. The symmetries of a specific problem is used to reduce the computational complexity. Both synthetic data and measured data are used to verify the algorithm.

Publishing year

2002

Language

English

Publication/Series

Proceedings General Assembly of the International Union of Radio Science

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • near field to equivalent currents transformation
  • singular value decomposition
  • arbitrary geometric structures
  • surface integral equation
  • radome applications

Conference name

General Assembly of the International Union of Radio Science, 2002

Conference date

2002-08-17 - 2002-08-24

Conference place

Maastricht, Netherlands

Status

Published

Research group

  • Electromagnetic theory