涂层球光散射的改进算法

China Particuology Pub Date : 2007-06-01 DOI:10.1016/j.cpart.2007.03.003

Lei Liu , Huarui Wang , Bin Yu , Yamin Xu , Jianqi Shen

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引用次数: 25

摘要

提出了一种计算涂层球光散射的有效数值算法。讨论了不同递归算法对相关函数的计算。新算法避免了以往方法在实际应用中所遇到的误差较大的数值困难。给出了消光效率、散射效率、光散射强度和计算速度等实例结果。结果表明，该算法高效、快速、数值稳定、精度高。

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Improved algorithm of light scattering by a coated sphere

An efficient numerical algorithm for computing the light scattering by a coated sphere is proposed. The calculation of relevant functions by different recurrence algorithms is discussed. The new algorithm avoids the numerical difficulties, which give rise to significant errors encountered in practice by prior methods. Exemplifying results such as extinction efficiency, scattering efficiency, light scattering intensity as well as calculation speed are provided. The results show that this algorithm is efficient, fast, numerically stable and accurate.

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China Particuology

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