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Radio Science

A high-frequency ray analysis of the electromagnetic backscattering by a two-dimensional ogive

Authors

  • H. Shamansky,

  • A. Dominek,

  • N. Wang


Abstract

The electromagnetic backscattering from a two-dimensional ogive is examined, including a mechanism-by-mechanism account for the scattered field. The uniform theory of diffraction is used in conjunction with a simple creeping wave representation to yield a solution which provides an accurate and continuous backscattering result for a wide range of ogive geometry parameters. Although not a rigorous derivation of higher-order diffraction coefficients, this solution provides insight into the relative contributions of the various creeping waves which are generated and propagate around the two-dimensional ogive. Comparisons with moment method (MM) calculations are used to demonstrate the range of applicability of this high-frequency asymptotic solution.

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