Articles | Volume 17, issue 10
https://doi.org/10.5194/amt-17-3187-2024
https://doi.org/10.5194/amt-17-3187-2024
Research article
 | 
28 May 2024
Research article |  | 28 May 2024

Noise filtering options for conically scanning Doppler lidar measurements with low pulse accumulation

Eileen Päschke and Carola Detring

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Cited articles

Abdelazim, S., Santoro, D., Arend, M., Moshary, F., and Ahmed, S.: Signal to Noise Ratio Characterization of Coherent Doppler Lidar Backscattered Signals, The 27th International Laser Radar Conference (ILRC 27), New York City, USA, 5–10 July 2015, EPJ Web of Conferences, vol. 119, 4 pp., https://doi.org/10.1051/epjconf/201611917014, 2016.​​​​​​​ a, b, c, d, e, f
Banakh, V. and Smalikho, I.: Coherent Doppler Wind Lidars in a Turbulent Atmosphere, illustrated Edition (December 30, 2013), Artech House Publishers, Boston, USA, 248 pp., ISBN 978-1608076673, 2013. a
Banakh, V. and Werner, C.: Computer simulation of coherent Doppler lidar measurement of wind velocity and retrieval of turbulent wind statistics, Opt. Eng., 44, 071205, https://doi.org/10.1117/1.1955167, 2005.​​​​​​​ a
Banakh, V. A., Smalikho, I. N., and Falits, A. V.: Estimation of the height of the turbulent mixing layer from data of Doppler lidar measurements using conical scanning by a probe beam, Atmos. Meas. Tech., 14, 1511–1524, https://doi.org/10.5194/amt-14-1511-2021, 2021. a, b
Beck, H. and Kühn, M.: Dynamic Data Filtering of Long-Range Doppler LiDAR Wind Speed Measurements, Remote Sens.-Basel, 9, 561, https://doi.org/10.3390/rs9060561, 2017. a
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Short summary
Little noise in radial velocity Doppler lidar measurements can contribute to large errors in retrieved turbulence variables. In order to distinguish between plausible and erroneous measurements we developed new filter techniques that work independently of the choice of a specific threshold for the signal-to-noise ratio. The performance of these techniques is discussed both by means of assessing the filter results and by comparing retrieved turbulence variables versus independent measurements.
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