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Comment of Remote Sens. 2018, 10(4), 514.

Open AccessComment
Remote Sens. 2018, 10(10), 1625; https://doi.org/10.3390/rs10101625

Comments on “Wind Gust Detection and Impact Prediction for Wind Turbines”

1
California State University Chico, 400 West First Street, Chico, CA 95929, USA
2
Independent researcher, 44000 Nantes, France
*
Author to whom correspondence should be addressed.
Received: 12 July 2018 / Revised: 8 October 2018 / Accepted: 10 October 2018 / Published: 12 October 2018
(This article belongs to the Special Issue Remote Sensing of Atmospheric Conditions for Wind Energy Applications)
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Abstract

We refute statements in “Zhou, K., et al. Wind gust detection and impact prediction for wind turbines. Remote Sens. 2018, 10, 514.” about the impracticality of motion estimation methods to derive two-component vector wind fields from single scanning aerosol lidar data. Our assertion is supported by recently published results on the performance of two image-based motion estimation methods: cross-correlation (CC) and wavelet-based optical flow (WOF). The characteristics and performances of CC and WOF are compared with those of a two-dimensional variational (2D-VAR) method that was applied to radial velocity fields from a single scanning Doppler lidar. The algorithmic aspects of WOF and 2D-VAR are reviewed and we conclude that these two approaches are in fact similar and practical. View Full-Text
Keywords: lidar; wind; Doppler; aerosol; motion estimation; optical flow; cross-correlation; wind energy; gust prediction; variational analysis lidar; wind; Doppler; aerosol; motion estimation; optical flow; cross-correlation; wind energy; gust prediction; variational analysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Mayor, S.D.; Dérian, P. Comments on “Wind Gust Detection and Impact Prediction for Wind Turbines”. Remote Sens. 2018, 10, 1625.

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