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Proceedings Paper

New formulation of reflection coefficient in propagation theory for imaging inhomogeneous media and for nonuniform waveguides
Author(s): Henry Berger; Delma Del Bosque-Izaguirre
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Paper Abstract

This paper discusses apparent deficiencies of the reflection coefficient (R) for inhomogeneous media (IX) and single-mode nonuniform waveguides (NOW5) as used in current wave propagation theory for time-harmonic waves. A new formulation is proposed (Rn) which tracks energy transport spatially, unlike the classical Schelkunoff formulation (Re) which may not display, even approximately, this property. Although the paper is focused on electromagnetic waves, the new formulation is also applicable to acoustics and related wave types. The paper discusses why, after more than four decades of careful measurement and analysis, the deficiencies have apparently gone undetected.

Paper Details

Date Published: 1 May 1991
PDF: 14 pages
Proc. SPIE 1521, Image Understanding for Aerospace Applications, (1 May 1991); doi: 10.1117/12.46069
Show Author Affiliations
Henry Berger, U.S. Army Space Technology and Research Office (United States)
Delma Del Bosque-Izaguirre, U.S. Army Space Technology and Research Office (United States)

Published in SPIE Proceedings Vol. 1521:
Image Understanding for Aerospace Applications
Hatem N. Nasr, Editor(s)

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