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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 23, Iss. 15 — Aug. 1, 1984
  • pp: 2488–2491

On-line data system for a cw laser Doppler anemometer

Friedrich Köpp, Felix Bachstein, and Christian Werner  »View Author Affiliations


Applied Optics, Vol. 23, Issue 15, pp. 2488-2491 (1984)
http://dx.doi.org/10.1364/AO.23.002488


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Abstract

The DFVLR infrared Doppler lidar has been equipped with an on-line data system. It utilizes a peak-finder circuit, a transient recorder, and a microcomputer to evaluate a certain wind quantity from temporal series of measured radial wind components. By means of one example, i.e., the determination of vertical wind profiles in the atmospheric boundary layer, the efficiency of the on-line data system is shown. It takes between 3 and 7 min to derive a profile of wind vectors from the surface up to a 750-m height.

© 1984 Optical Society of America

History
Original Manuscript: October 5, 1983
Published: August 1, 1984

Citation
Friedrich Köpp, Felix Bachstein, and Christian Werner, "On-line data system for a cw laser Doppler anemometer," Appl. Opt. 23, 2488-2491 (1984)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-23-15-2488


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References

  1. R. L. Schwiesow, R. E. Cupp, “Offset Local Oscillator for a cw Laser Doppler Anemometer,” Appl. Opt. 20, 579 (1981). [CrossRef] [PubMed]
  2. R. M. Huffaker, H. B. Jeffreys, E. A. Weaver, J. W. Bilbro, G. D. Craig, R. W. George, E. H. Gleason, P. J. Marrero, E. J. Reinbolt, J. E. Shirley, “Development of a Laser Doppler System for the Detection, Tracking and Measurement of Aircraft Wake Vortices,” FAA-RD-74-213, NASA Marshall Space Flight Center, Huntsville, Ala. (1975).
  3. M. R. Brashears, W. R. Eberle, “Verification of Wind Measurement with Mobile Laser Doppler System,” FAA-RD-77-117, Lockheed Missiles & Space Co., Huntsville, Ala. (1977).
  4. M. R. Brashears, J. N. Hallock, “The Measurement of Wind Shear and Wake Vortices by Laser Doppler Velocimetry,” paper presented at the Seventh Conference on Aerospace and Aeronautical Meteorology, Melbourne, U.S.A., 1976.
  5. F. Köpp, “On the Usefulness of Direct Laser Doppler Velocimetry for Crosswind Measurements,” in Proceedings, Symposium on Long Range and Short Range Optical Velocity Measurements, Saint-Louis, France, 1980.
  6. F. Köpp, H. Herrmann, R. L. Schwiesow, C. Werner, F. Bachstein, “Erstellung und Erprobung des Laser Doppler Anemometers zur Fernmessung des Windes,” DFVLR-FB 83-11 (1983).
  7. C. Werner, F. Köpp, R. L. Schwiesow, “DFVLR-Remote Slant Visual Range (SVR) and Wind Vector Measuring System,” in Preprint Volume of Ninth Conference on Aerospace and Aeronautical Meteorology, Omaha, Neb. (1983).
  8. R. L. Schwiesow, “Nonlinear Least-Squares Fitting on a Minicomputer: Method and Example,” NOAA Technical Report ERL 421-WPL 57, Boulder, Colo. (1982).
  9. C. Werner, F. Köpp, R. L. Schwiesow, “Influence of Clouds and Fog on LDA Wind Measurements,” Appl. Opt. 23, 2482 (1984). [CrossRef] [PubMed]

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