Accession Number : ADA300263

Title :   A Rigorous Way of Incorporating Sea Surface Roughness Into the Parabolic Equation.

Descriptive Note : Rept. for 10 Jul-14 Sep 95,

Corporate Author : NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF ELECTRICAL AND COMPUTER ENGINEE RING

Personal Author(s) : Janaswamy, Ramakrishna

PDF Url : ADA300263

Report Date : SEP 1995

Pagination or Media Count : 35

Abstract : A rigorous formulation of rough earth parabolic equation (PE) is given. The formulation is based on casting the governing transform equations in terms of incident and reflected plane waves and using the rough-surface reduction factor directly in the spectral domain. Solution is performed by the well known split-step algorithm. Inclusion of surface roughness into the PE in this manner requires a redefinition of the Fourier transform pair. Several examples are considered showing comparisons with waveguide and other models. (AN)

Descriptors :   *OCEAN SURFACE, *RADIO WAVES, MATHEMATICAL MODELS, ALGORITHMS, FOURIER TRANSFORMATION, POLARIZATION, SURFACE ROUGHNESS, WAVE PROPAGATION, APPROXIMATION(MATHEMATICS), PARTIAL DIFFERENTIAL EQUATIONS, PLANE WAVES, ATMOSPHERIC REFRACTION, SUPERHIGH FREQUENCY.

Subject Categories : Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE