Hydrooptical laser sensing under controllable conditions |
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Authors: | V S Shamanaev I É Penner M M Krekova G P Kokhanenko M H Saghafifar |
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Institution: | (1) Institute of Atmospheric Optics of the Siberian Branch of the Russian Academy of Sciences, Russia;(2) Malek-ashtar Isfahan Technological University, Russia |
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Abstract: | Experiments on laser sensing of water under conditions simulating the operation of a laser radar mounted onboard an airplane
have been carried out. Values of water extinction index reconstructed from lidar signals are presented, and their dependence
on the lidar field-of-view angle is established. These data are compared with the results of calculations by the Monte Carlo
method. The experimental and calculated data are described by analytical expressions that differ only by proportionality coefficients.
Simultaneously with the lidar, the extinction index was measured with a reference submersible transmissometer. A regression
dependence between the lidar-derived extinction factors ε biased due to multiple scattering from their true values and the
reference values of ε measured with the transmissometer is obtained.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 34–39, December, 2005. |
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