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A comparative study of the Rayleigh hypothesis and analytic continuation methods as applied to sinusoidal gratings
Journal article   Peer reviewed

A comparative study of the Rayleigh hypothesis and analytic continuation methods as applied to sinusoidal gratings

V. Jamnejad-Dailami, R. Mittra and T. Itoh
IEEE transactions on antennas and propagation, Vol.20(3), pp.392-394
05/1972
DOI: https://doi.org/10.1109/TAP.1972.1140186

Abstract

Antennas and propagation Backscatter Dielectrics Diffraction gratings Frequency Geometry Radar antennas Radar cross section Radar scattering Rayleigh scattering
Two methods are investigated for solving the problem of plane-wave diffraction by gratings with sinusoidal profiles. The first is based on an extension of the Rayleigh hypothesis, and the second employs an analytic continuation technique for computing the field in regions in which the Rayleigh hypothesis breaks down. Some numerical results are presented to compare the two methods.

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