Variations of the echo signal of the pulsed coherent Doppler lidar in the turbulent atmosphere

A. V. Falits; V. A. Banakh

doi:10.1117/12.2503456

13 December 2018 Variations of the echo signal of the pulsed coherent Doppler lidar in the turbulent atmosphere

A. V. Falits, V. A. Banakh

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083313 (2018) https://doi.org/10.1117/12.2503456
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The paper presents the results of an experiment on the measurements of the echo power of a coherent lidar signal from a topographic target under various turbulent conditions in the atmosphere. The intensity of optical turbulence was controlled by acoustic weather stations that registered temperature fluctuations of air near the propagation path of a probing beam. It is found that at moderate turbulence, the dynamics of the change in the recorded average power of the lidar signal echo coincides with the dynamics of the change in the intensity of optical turbulence in the atmosphere: an increase in the average power of the echo signal occurs simultaneously with an increase in the magnitude of the structure characteristic of the refractive index, and a decrease in the structure characteristic leads to a decrease in the signal ratio of the lidar noise.

Citation Download Citation

A. V. Falits and V. A. Banakh "Variations of the echo signal of the pulsed coherent Doppler lidar in the turbulent atmosphere", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083313 (13 December 2018); https://doi.org/10.1117/12.2503456

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