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Ray behavior and the corresponding fields in the vicinity of surface-curvature-induced reflection boundaries are examined and compared with edge-induced reflection boundaries. The slopes of the reflection boundaries vary, respectively, as(λ)-5/6and(λ)-1/2. Asymptotic evaluation of the physical optics scattering integrals leads to the definition of equivalent "diffrhction" coefficients involving the Airy function.
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Rahnavard et al. (1982) studied this question.
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