Open AccessA stochastic functional approach to difference scattering from a three-dimensional perfect electric conductor target on randomly rough surface
Author(s) -
Rui Ding,
Yue Jin
Publication year - 2011
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.60.124102
Subject(s) - perfect conductor , scattering , surface (topology) , rough surface , mean free path , conductor , physics , cross section (physics) , function (biology) , computational physics , optics , mathematical analysis , materials science , mathematics , quantum mechanics , geometry , evolutionary biology , composite material , biology
A stochastic functional approach (SFA) is developed to calculate electromagnetic composite scattering from a three-dimensional perfectly electric conducting (PEC) target on a randomly rough PEC surface. The stochastic Green's function for randomly rough surface is derived, and a novel four-path model is presented to describe the scattering mechanism of target-surface interactions. The SFA is used to obtain the difference scattering cross section due to the rough surface of target. As a simple example of a spherical target with rough surface, the SFA is numerically compared with other numerical approaches, showing its accuracy and effectiveness. Finally, the difference bistatic scattering from a complex electric large target with rough surface and its functional dependence on the parameters are discussed.