Title page for ETD etd-06302009-040300


Type of Document Master's Thesis
Author Kapp, David Anthony
URN etd-06302009-040300
Title Effect of correlation between shadowing and shadowed points in rough surface scattering
Degree Master of Science
Department Electrical Engineering
Advisory Committee
Advisor Name Title
Brown, Gary S. Committee Chair
Besieris, Ioannis M. Committee Member
Claus, Richard O. Committee Member
Keywords
  • Scattering (Physics)
Date of Defense 1993-05-15
Availability restricted
Abstract
Shadowing of random surfaces is accounted for by multiplying the Kirchhoff

electric current density by a shadowing function. The shadow-corrected

incoherent intensity is computed in the backscatter direction and is found to be

proportional to the probability of a specular point being illuminated from the

source. This probability is computed numerically using an infinite series of

integrals, developed by Ricciardi and Sato, and by Monte Carlo computer

simulations. The results obtained are compared to the analytic approximations of

Wagner and Smith, which neglect correlation between the shadowing points and

the shadowed point. Assumptions made by Wagner are explained using the

infinite series of integrals. Furthermore, comparison is made to Wagner's results

which include correlation between the shadowed point and the shadowing point.

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