Accession Number : ADA323831

Title :   A Theorem of Anisotropic Absorbers.

Descriptive Note : Technical rept.,

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

Personal Author(s) : Lee, Hung-Mou ; Yu, Chen-Kuo

PDF Url : ADA323831

Report Date : MAR 1997

Pagination or Media Count : 36

Abstract : The sum-difference surface current formulation is introduced to treat electromagnetic boundary value problems when anisotropic impedances are specified on both sides of a surface. It can also be applied to impedance coated bodies. This formulation preserves the duality nature of Maxwell equations and carries it over into the algebraic form of the integrodifferential operators in the equations for surface currents. Since a 900 rotation is equivalent to undergoing a duality transform for an incident plane wave, this particular symmetry in the algebraic form of the operators leads to sufficient conditions under which the on-axis backscattering of an anisotropic impedance coated scatterer having a 900 rotational symmetry is eliminated.

Descriptors :   *BACKSCATTERING, *ELECTRICAL IMPEDANCE, ELECTROMAGNETIC FIELDS, ELECTROMAGNETIC PROPERTIES, ANISOTROPY, BOUNDARY VALUE PROBLEMS, OPERATORS(MATHEMATICS), ELECTRIC CURRENT, MAXWELLS EQUATIONS, PLANE WAVES.

Subject Categories : Electricity and Magnetism

Distribution Statement : APPROVED FOR PUBLIC RELEASE