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Russian Physics Journal

, Volume 56, Issue 3, pp 241–250 | Cite as

Aerospace laser sensing of cloudiness: numerical statistical modeling

  • A. B. Kargin
  • B. A. Kargin
  • M. V. Lavrov
Optics and Spectroscopy
  • 32 Downloads

In the numerical modeling of laser radiation transfer in optically dense cloudy media it is necessary to take into account multiple scattering effects, which alter the spatiotemporal structure of light pulses. The Monte Carlo method makes it possible to achieve the most complete account of these effects in the solution of direct problems of laser sensing of scattering media. This work considers two problems. The first is connected with construction of an adequate optical model of crystalline clouds which takes account their optical anisotropy. The second touches on questions of Monte Carlo modeling of laser radiation transfer in optically anisotropic media. A number of results of numerical experiments are presented which establish a quantitative connection between some cloud parameters and the magnitude and shape of the time convolution of a non-stationary laser return signal reflected by a single-layer continuous crystalline or liquid-droplet cloud and by two-level continuous cloudiness, when the crystalline cloud is located above the liquid-droplet cloud.

Keywords

laser sensing crystalline clouds liquid-droplet clouds optical anisotropy transfer equation Monte Carlo method 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • A. B. Kargin
    • 1
  • B. A. Kargin
    • 1
    • 2
  • M. V. Lavrov
    • 1
  1. 1.Institute of Computational Mathematics and Mathematical Geophysics of the Siberian Branch of the Russian Academy of SciencesNovosibirskRussia
  2. 2.Novosibirsk State UniveristyNovosibirskRussia

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