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首页> 外文期刊>Applied optics >DERIVATION OF THE AEROSOL SIZE DISTRIBUTION FROM A BISTATIC SYSTEM OF A MULTIWAVELENGTH LASER WITH THE SINGULAR VALUE DECOMPOSITION METHOD
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DERIVATION OF THE AEROSOL SIZE DISTRIBUTION FROM A BISTATIC SYSTEM OF A MULTIWAVELENGTH LASER WITH THE SINGULAR VALUE DECOMPOSITION METHOD

机译：奇异值分解法从多波长激光双稳态系统推导气溶胶粒径分布

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摘要

Estimation of aerosol size distributions from measurements of scattered light intensity by the use of a bistatic system with a multiwavelength laser is presented. We investigated the effects of inversion of the scattered intensity on calculated aerosol size distribution in a numerical experiment. Two model aerosol size distributions were used, one a Junge type widely known as a typical example of the size distribution of suspended particles in the atmosphere and the other a log-normal type as an example of the monodisperse distribution. A singular value decomposition was applied to the inversion to infer the size distribution from the kernel function and the scattered light intensity. In the physical experiment, the size distributions were successfully inferred from analysis of the scattered light intensity from an artificial polystyrene latex aerosol. (C) 1996 Optical Society of America [References: 18]
机译：提出了通过使用具有多波长激光器的双基地系统，通过对散射光强度的测量来估计气溶胶尺寸分布。我们在数值实验中研究了散射强度反演对计算出的气溶胶粒径分布的影响。使用两种模型气溶胶尺寸分布，一种是众所周知的Junge型，作为大气中悬浮颗粒尺寸分布的典型示例，另一种是对数正态型，作为单分散分布的示例。对反演应用奇异值分解，以从核函数和散射光强度推断尺寸分布。在物理实验中，通过分析人造聚苯乙烯胶乳气溶胶的散射光强度，成功推断出尺寸分布。 （C）1996年美国眼镜学会[参考文献：18]

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