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Light scattering by spherical particles for data interpretation of mobile lidars
Optical Engineering ( IF 1.3 ) Pub Date : 2020-08-14 , DOI: 10.1117/1.oe.59.8.083103
Victor A. Shishko 1 , Alexander V. Konoshonkin 1 , Natalia V. Kustova 1 , Dmitriy N. Timofeev 1
Affiliation  

Abstract. We present a solution to the problem of light scattering by spherical particles, adapted for interpreting the signals of portable lidars for autonomous vehicles. The solution was obtained for typical wavelengths used in laser sensing tasks: 0.355, 0.532, 0.905, 0.940, 1.064, 1.55, 2.15, and 10.6 μm. The solution was obtained within the framework of the Mie scattering theory for water and ice. The inherent high-frequency oscillations in the backscattering direction are smoothed out by means of a moving average, which allows one to construct fast and efficient algorithms for particle size distributions observed in the atmosphere. The resulting solution is presented in the form of a data bank, which is available in the public domain.

中文翻译:

用于移动激光雷达数据解释的球形粒子的光散射

摘要。我们提出了一种解决球形颗粒光散射问题的解决方案,适用于解释自动驾驶汽车的便携式激光雷达的信号。该解决方案是针对激光传感任务中使用的典型波长获得的:0.355、0.532、0.905、0.940、1.064、1.55、2.15 和 10.6 μm。该解决方案是在水和冰的米氏散射理论的框架内获得的。反向散射方向上固有的高频振荡通过移动平均线得到平滑,这使得人们可以构建快速有效的算法,用于在大气中观察到的粒度分布。最终的解决方案以数据库的形式呈现,可在公共领域获得。
更新日期:2020-08-14
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