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Relativistic scattering by a random rough Kirchhoff surface in uniform motion
Author(s) -
Chrissoulidis D. P.,
Ivrissimtzis L. P.,
Kriezis E. E.
Publication year - 1987
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs022i005p00803
Subject(s) - physics , scattering , tilt (camera) , optics , forward scatter , plane (geometry) , motion (physics) , plane wave , computational physics , classical mechanics , geometry , mathematics
The physical optics approach and Lorentz transformations are combined to formulate scatter from a random rough surface in uniform motion. The perfectly conducting scatterer is excited by an elliptically polarized plane electromagnetic wave and the analysis ends in the velocity‐dependent expressions for the scattering cross section per unit area, the depolarization factor and the radial tilt. The direction of motion is considered parallel as well as normal to the scatterer's mean plane. The combined effect of roughness and motion on scattering and depolarization is investigated through a numerical example. The calculations reveal that parallel motion modifies scatter through aberration while normal motion results in scatter amplification. The depolarization factor and/or radial tilt might be used for motion estimation.