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A 3D finite element method with decomposition on Floquet's modes is presented to study the transmission parameters of building walls. The influences of gratings in concrete walls, of wall dimensions, and of the electromagnetic excitation with single field of a plane wave or with diffuse field, on wall transmission properties are then studied by this method.
Microwave Symposium Digest, 1998 IEEE MTT-S International (Volume:3 )
Date of Conference: 7-12 June 1998