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Electromagnetic scattering by a bounded obstacle in a parallel plate waveguide

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Author

Summary, in English

This paper concerns scattering of an electromagnetic wave by a bounded object located inside a parallel plate waveguide. The exciting field in the waveguide is either an arbitrary source located at a finite distance from the obstacle or a plane wave generated in the far zone. In the latter case, the generating field corresponds to the lowest propagating mode (TEM) in the waveguide. The analytic treatment of the problem relies on an extension of the null field approach, or T-matrix method, originally developed by Peter Waterman, and later generalized to deal with object close to an interface. The present paper generalizes this approach further to deal with obstacles inside a parallel waveguide. This problem shows features that reflect both the two-dimensional geometry, as well as the three-dimensional scattering characteristics. The analysis is illustrated by several numerical examples.

Publishing year

2012

Language

English

Publication/Series

Technical Report LUTEDX/(TEAT-7220)/1-54/(2012)

Document type

Report

Publisher

The Department of Electrical and Information Technology

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Report number

TEAT-7220

Research group

  • Electromagnetic theory