T90coatedwedges. The skew incidence with respect to the edge of a right-angled structure is considered. The proposed analytical approach starts by considering the scattering integral and using a physical optics approximation of the electric and magnetic equivalent surface currents located on the external faces of the coated wedge. Useful approximations and analytical calculations allow one to apply a uniform asymptotic evaluation to the resulting integrals to obtain the diffraction coefficients. They are easy to handle and able to compensate the geometrical optics discontinuities.

UAPO Solution for the Plane Wave Diffraction by a 90° Coated Wedge

RICCIO, Giovanni
2018-01-01

Abstract

T90coatedwedges. The skew incidence with respect to the edge of a right-angled structure is considered. The proposed analytical approach starts by considering the scattering integral and using a physical optics approximation of the electric and magnetic equivalent surface currents located on the external faces of the coated wedge. Useful approximations and analytical calculations allow one to apply a uniform asymptotic evaluation to the resulting integrals to obtain the diffraction coefficients. They are easy to handle and able to compensate the geometrical optics discontinuities.
2018
9789082598735
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/4719836
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