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Proceedings Paper

Resolution study of wind parameter estimates by a coherent Doppler lidar system
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Paper Abstract

A 2-μm wavelength coherent Doppler lidar system under development at NASA Langley Research Center in Virginia is discussed from the perspective of signal processing. The current data processing algorithm returns a variety of wind parameters such as power spectra, Doppler shift, wind speed, and wind direction. This paper compares the quality of selected wind parameter estimates by computing the power spectral density of stochastic lidar return data via the periodogram and the maximum likelihood power estimation method. The improvement in resolution of power spectra and Doppler shift estimates is witnessed by means of zero padding before the power spectral density was estimated in each range bin.

Paper Details

Date Published: 19 May 2006
PDF: 8 pages
Proc. SPIE 6214, Laser Radar Technology and Applications XI, 621403 (19 May 2006); doi: 10.1117/12.663416
Show Author Affiliations
Jeffrey Y. Beyon, California State Univ. (United States)
Grady J. Koch, NASA Langley Research Ctr. (United States)

Published in SPIE Proceedings Vol. 6214:
Laser Radar Technology and Applications XI
Gary W. Kamerman; Monte D. Turner, Editor(s)

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