采用空间域合成法生成Alpha-stable分布的粗糙土壤表面,运用矩量法研究了在锥形入射波入射下粗糙表面与上方三角形截面柱体的复合电磁散射,数值计算了散射系数随散射角的变化关系,分析了稳定性系数、归一化尺度参数、互相关长度、入射波频率、土壤湿度、三角形截面柱边长、目标方位角和中心高度对散射系数的影响.
The composite electromagnetic scattering problem from the random rough surface with above target is studied by the method of moment.The spatial domain building method is used to generate rough soil surface of the alpha-stable distribution.The composite electromagnetic scattering problem from the rough surface with above triangular cross section column is studied under the tapered incident wave incident.The varying relationship of composite scattering coefficient with scattering angle is numerical calculated,and the influence of the stability coefficient,normalized scale parameter,cross-correlation length,the incident wave frequency,moisture of soil,geometric parameters,the azimuth angle and the center height of triangular cross section column on the composite scattering coefficient are analyzed.