The random sampling of scattering direction is not only quite common but also very important in Monte Carlo calculations of particle transport problems.
散射方向随机抽样在粒子输运问题的蒙特卡罗计算中不仅是非常共同的而且是很重要的。
Then we study the accuracy of Kirchhoff's approximation in the scattering of light field from the random self-affine fractal surface.
在此基础上，对采用基尔霍夫近似进行自仿射分形随机表面的散射光场数值计算的精确程度进行了研究。
Based on the analytical theory of multiple scattering, the millimeter wave propagation and scattering in discrete random media were investigated by means of the particle-tracking method.
根据多重散射的解析理论，利用粒子跟踪法研究了毫米波在离散随机介质中的传播与散射。
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