Estimation of the path-averaged wind velocity by cross-correlation of the received power and the shift of laser beam centroid

Dmitri A. Marakasov; Ruvim Sh. Tsvyk

doi:10.1117/12.2205746

19 November 2015 Estimation of the path-averaged wind velocity by cross-correlation of the received power and the shift of laser beam centroid

Dmitri A. Marakasov, Ruvim Sh. Tsvyk

Author Affiliations +

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96801T (2015) https://doi.org/10.1117/12.2205746
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

We consider the problem of estimation of the average wind speed on atmospheric path from measurements of time series of average power of the laser radiation detected through the receiving aperture and the position of the centroid of the image of the laser beam. It is shown that the mutual correlation function of these series has a maximum, whose position characterizes the average speed of the cross wind on the path. The dependence of the coordinates and magnitude of the maximum of the correlation function from the size of the receiving aperture and the distribution of turbulence along the atmospheric path.

Citation Download Citation

Dmitri A. Marakasov and Ruvim Sh. Tsvyk "Estimation of the path-averaged wind velocity by cross-correlation of the received power and the shift of laser beam centroid", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96801T (19 November 2015); https://doi.org/10.1117/12.2205746

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