NASA NTRS · 19910042592
Beyond the Kirchhoff approximation. II - Electromagnetic scattering
Abstract
In a paper by Rodriguez (1981), the momentum transfer expansion was introduced for scalar wave scattering. It was shown that this expansion can be used to obtain wavelength-dependent curvature corrections to the Kirchhoff approximation. This paper extends the momentum transfer perturbation expansion to electromagnetic waves. Curvature corrections to the surface current are obtained. Using these results, the specular field and the backscatter cross section are calculated.
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Rodriguez, Ernesto. 1991-02-01. Beyond the Kirchhoff approximation. II - Electromagnetic scattering. https://ntrs.nasa.gov/citations/19910042592
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