Abstract

An approach to the problem of scattering by the rough surface of an arbitrary, uniform, lossy dielectric medium, based on a modified Wiener–Hermite functional expansion of the electric and magnetic currents, is presented. The results obtained for the reflection and backscattering coefficients, as well as for the bistatic cross section, are compared with the corresponding predictions based on perturbation theory and the Kirchhoff approximation. The approach is believed to yield satisfactory answers in a domain that includes the rectangle defined by the inequalities ≤ 2 and 1 ≤ kR ≤ 10, where σ2 is the variance of the surface profile, R is the correlation radius, and k is the wave number.

© 1990 Optical Society of America

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