Abstract

It is known that a change in the direction of an incident wave on a random medium is remembered by the scattered wave in the angular correlation characteristics. This effect is studied for rough surface scattering by means of theoretical (second-order Kirchhoff approximation (KA)), numerical (Monte Carlo simulations) and experimental (millimeter-wave range) approaches. The second-order KA has been found to be effective for wave scattering from very rough surfaces with large radii of curvature and high slopes (0.5 to 1.5). The results are presented in a form of memory signatures which clearly exhibit the important features of this effect.

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