Characteristics of composite electromagnetic scattering from fractal earth soil surface and target buried partially

The dielectric property of the earth soil is expressed using the TOPP equation model of dielectric constant of soil-water mixture, the earth soil surface is simulated with model of band-limited fractal rough surface and Monte Carlo Method. The composite electromagnetic scattering from the earth soil surface based on band-limited fractal and the column with rectangular cross-section buried partially is studied using Method of Moment. The angle distribution curves of composite bistatic scattering coefficient is obtained. The composite bistatic scattering coefficient varying with the fractal dimension, the space fundamental frequency and the root mean square of the earth soil surface, the moisture capacity of earth soil, the geometric parameter, buried depth and tilt angle of the column with rectangular cross-section, and incident frequency of electromagnetic wave are calculated in detail. The results show that the influences of the fractal dimension of soil surface and other parameters on the composite scattering coefficient are very complex, and the angular distribution curves near the mirror have obvious fractal characteristics.