Solution for scattering by a wedge with periodic anisotropic impedance faces

Plane wave scattering by an infinite wedge whose faces are characterized by the periodic anisotropic impedance is investigated. An improved hybrid method of the moment method (MM) and the physical optic (PO) is applied to calculate the equivalent electric current on the wedge face. A periodic representation of the scattering face is used to prevent nonphysical edge effects in the scattering evaluation. Several universal series are derived for all elements of the interaction matrix in MM region, and the total current in PO region is the combination of the PO-current and the diffracted current.