Abstact To research the light scattering phenomenon of Gaussian and exponential randomly rough surfaces,the linear filter-ing method is used to generate Gaussian and exponential random rough surface,and the method of Monte Carlo based on MOM is used to calculate the light scattering intensity distribution,and the three characteristics of the scattering light intensity distribution peak,the intensity distribution width and the position of peak are studied.The calculation results show that significant differences between scattering characteristics of Gaussian and exponential random rough surface.%为了研究指数和高斯随机粗糙表面的光散射现象,根据线性滤波法生成指数和高斯分布随机粗糙表面,采用矩量法分别计算了指数和高斯表面的散射光强度空间分布,分析了散射场散射分布、散射峰值、散射峰位置等特征.数值计算结果显示高斯和指数表面的散射特征具有显著差异,并从表面特性分析这种了差异.
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