FIELD: physics.
SUBSTANCE: short light pulses are emitted into an inhomogeneous atmosphere and echo signals are received. The echo signals are corrected for the lidar geometric factor. The corrected signals are accumulated during a given period of time depending on the overall length of the investigated area. The light pulses are deflected in at least two points of the probing path in directions towards a common scattering volume. Optical thickness of the area enclosed between points where the pulses are deflected is taken into account in order to determine transparency of the atmosphere.
EFFECT: high accuracy of determination due to correct accounting for influencing factors.
1 dwg
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