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。
For the multiple scattering theory, the total scattered power from a random rough surface is contributed to, not only by single scattered waves, but also by those multiple scattered waves.
在多次散射理论中，随机粗糙面的总散射功率不仅与单次散射波有关，而且还取决于多次散射波。
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。
Then based on the Gauss random facets statistical scattering physical model, the calculation model for Gauss random surface of spatial objects that is made from planes is derived.
在高斯随机面元统计散射模型的基础上，提出了目标表面为随机粗糙平板面的空间目标散射太阳光产生地面光照度的散射计算模型。
When the quasi-periodic quasi-structure of random medium interacts with matching pump light, the interference effect under its whole multiple scattering leads to lasing in random medium.
无序介质激光是由该介质的非周期—类结构与相匹配的泵浦光场相互作用时其整体多重散射的干涉效应产生的。
Because of obvious difference between expanding light source and laser source, it appears different scattering peculiarity while they project to a random rough cylinder.
扩展面光源如太阳光与激光光源有明显的差异，因此它们照射到随机粗糙柱面后的散射特性也不同。
Noise jamming includes blocking, aiming and random pulse jamming, and deception jamming includes transmitting, responding and scattering jamming.
有源压制干扰主要包括阻塞干扰、瞄准式干扰和随机脉冲干扰；
Light scattering matrix of random oriented two spheres system is studied extensively by using the t matrix method and the principle of superposition.
本文用T矩阵与场方程叠加相结合的方法，系统研究任意方位双球粒子体系散射矩阵各元素随两球球心的间距变化规律。
The radiative transfer theory of Stokes vectors is developed to study multiple-scattering, propagation, and thermal emission in random media.
本文讨论了极化电磁波在随机介质中多次散射，传输和热辐射的斯托克斯矢量的辐射传输理论。
This method has been applied to analyze electromagnetic scattering from random rough surface, two-dimensional random dielectric cylinders, microstrip structures and densely packed interconnects.
目前这种方法已被应用于随机粗糙面散射问题的分析、随机分布的二维介质柱的散射分析、微带结构的分析、密集封装的互联分析等问题中。
Raman lasing and Random lasing formed by multi-scattering in nanocrystalline Sic films is a new phenomena. The Raman lasing and random lasing are discussed in this paper.
纳米碳化硅多晶膜构成的无序结构的拉曼受激散射和似激光散射是这种材料的一个新现象。
Different heterogeneous random porous rocks have different scattering effects on wave speeds. The elastic wave speeds caused by larger pore are more distinguishable.
不同形式的随机孔隙岩石模型中纵波速度和横波速度的变化程度各不相同。
The optical wave scattering from one-dimensional (1D) lossy dielectric Gaussian random rough surface is studied.
本文研究了一维有耗介质高斯随机粗糙面对光波的散射特性。
And a simulation with finite element method of the electromagnetic scattering from 3-dimensional random rough surface is shown for the accuracy and efficiency.
通过有限元法数值模拟三维随机粗糙表面的电磁散射，验证了方法的精度与效率。
And a simulation with finite element method of the electromagnetic scattering from 3-dimensional random rough surface is shown for the accuracy and efficiency.
通过有限元法数值模拟三维随机粗糙表面的电磁散射，验证了方法的精度与效率。
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