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Statistical approach to light scattering by convex ice crystals

机译:凸冰晶散射光的统计方法

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摘要

Within the geometric optics approximation, the phase functions of randomly oriented ice crystals are calculated as a series relative to multiplicity of internal collisions of light inside the particles. In the case of convex crystals, it is shown that the coefficients of the series provide the most information about the crystal shapes, while the angular functions of this series are weakly dependent on the shapes. The prevailing role of the term corresponding to one internal collision is emphasized. Three numbers describing a distribution of the single-collision scattered light among the aureole and halos of 22 deg and 46 deg prove to be the basic parameters by which to characterize scattering by hexagonal ice crystals.
机译:在几何光学近似中,相对于粒子内部光内部碰撞的多重性,将随机取向的冰晶的相位函数计算为一系列。对于凸形晶体,可以看出该级数的系数提供了有关晶体形状的最多信息,而该级数的角函数几乎不依赖于形状。强调了与一次内部碰撞相对应的术语的主要作用。三个数字描述了单碰撞散射光在22度和46度的光环和光环之间的分布,这是表征六角形冰晶散射的基本参数。

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