Measurement accuracy of the average wind velocity with the use of the Doppler lidar

Alexander P. Shelekhov

doi:10.1117/12.154867

15 September 1993 Measurement accuracy of the average wind velocity with the use of the Doppler lidar

Alexander P. Shelekhov

Proceedings Volume 1968, Atmospheric Propagation and Remote Sensing II; (1993) https://doi.org/10.1117/12.154867
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

The problem concerned with the photocurrent frequency fluctuations of the cw-Doppler lidar and the pulsed Doppler lidar caused by the wind velocity fluctuations is considered. This problem is formulated based on the theoretical results of the study of the optical radiation scattered by suspended particles in a turbulent flow. It is shown that the measurement error of the average Doppler wind velocity depends on the photocurrent statistical characteristics. In the case of the non-Gaussian statistical characteristics the accuracy of the average wind velocity measurements increases with the increase of the scattering volume length. In the case of the Gaussian statistical characteristics the error of the average wind velocity measurements increases and saturates at the constant level with the increase of the scattering volume length. The theoretical results obtained are in agreement with the experimental data.

Citation Download Citation

Alexander P. Shelekhov "Measurement accuracy of the average wind velocity with the use of the Doppler lidar", Proc. SPIE 1968, Atmospheric Propagation and Remote Sensing II, (15 September 1993); https://doi.org/10.1117/12.154867

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