The determination by coherent lidar of Doppler-velocity profiles in turbulent atmosphere

Luan L. Gurdev; Tanja N. Dreischuh

doi:10.1117/12.519505

4 November 2003 The determination by coherent lidar of Doppler-velocity profiles in turbulent atmosphere

Luan L. Gurdev, Tanja N. Dreischuh

Proceedings Volume 5226, 12th International School on Quantum Electronics: Laser Physics and Applications; (2003) https://doi.org/10.1117/12.519505
Event: 12th International School on Quantum Electronics Laser Physics and Applications, 2002, Varna, Bulgaria

Abstract

The influence is investigated quantitatively of the velocity fluctuations in turbulent atmosphere on the formation of the autocovariance of coherent heterodyne aerosol lidar signals. A multishot, high pulse repetition rate lidar operation is supposed. The limit cases of long-term and short-term averaging are especially considered, when the observation (data accumulation) time is respectively much larger or much less than the correlation time of the fluctuation process. As a result, the intuitive conception is proved and illustrated quatitatively that a long-term averaging, under stationary conditions, allows one to obtain (on the basis of the autocovariance) a range-resolved estimate of the parent population mean Doppler-velocity profile; a short-term averaging allows one to determine a (near) instantaneous range-resolved Doppler-velocity profile.

Citation Download Citation

Luan L. Gurdev and Tanja N. Dreischuh "The determination by coherent lidar of Doppler-velocity profiles in turbulent atmosphere", Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); https://doi.org/10.1117/12.519505

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