Numerical, Analytical and Experimental Studies of Scattering from Very RoughSurfaces and Backscattering Enhancement

摘要

This paper presents numerical simulations, theoretical analysis, and millimeterwave experiments for scattering from one-dimensional very rough surfaces. First, numerical simulations are used to investigate the effects of roughness spectrum, height variation, interface medium, polarization, and incident angle on the backscattering enhancement. The enhanced backscattering due to rough surface scattering is divided into two cases; the RMS height close to a wavelength and RMS slope close to unity, and RMS height much smaller than a wavelength with surface wave contributions. Results also show that the enhancement is sensitive