The conventional Kouyoumjian transition function cannot be used to evaluate the diffracted field for a converging wave because its argument is imaginary, and the total field is not continuous at reflection and shadow boundaries. In order to find the diffracted field near the edge shadow of the inflected surface, Rusch's proposed edge-diffraction transition function for a converging wave is used. The argument of this transition function is real and produces a continuous total field at the boundaries. The diffracted field is then added to the geometrical optics field and compared favorably with physical optics.

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Volume3, Issue9

September 1990

Pages 327-333

Total field evaluation near the edge shadow of an idealized inflected surface

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Total field evaluation near the edge shadow of an idealized inflected surface

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