An improved integral equation for the numerical solution of two-dimensional diffraction problems

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Abstract
Using a conformal transformation, the singularities of electromagnetic fields near a sharp edge are related to the geometry of the scatterer. The results are then used to treat the singularities of the current in the integral equations for the current distribution. The properties of the improved integral equations and the procedure for their evaluation is discussed by considering two-dimensional scattering by a conducting square prism.

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