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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 12 — Apr. 20, 1998
  • pp: 2238–2241

Use of the A1- and the A2-sequences to modulate continuous-wave pseudorandom noise lidar

Yves Emery and Cristina Flesia  »View Author Affiliations


Applied Optics, Vol. 37, Issue 12, pp. 2238-2241 (1998)
http://dx.doi.org/10.1364/AO.37.002238


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Abstract

The A1-sequences and the A2-sequences have been proposed to replace the M-sequence that is generally used to modulate continuous-wave pseudorandom noise lidar. These new sequences, under two hypotheses, provide a reduction in the background noise, which is especially significant in noisy conditions when one uses M-sequences. We show that one of these two hypotheses is not verified for cloudy atmospheric conditions. Thus, the A1- and the A2-sequences cannot be used for such conditions.

© 1998 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.3640) Atmospheric and oceanic optics : Lidar
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(280.3640) Remote sensing and sensors : Lidar

History
Original Manuscript: July 7, 1997
Revised Manuscript: November 17, 1997
Published: April 20, 1998

Citation
Yves Emery and Cristina Flesia, "Use of the A1- and the A2-sequences to modulate continuous-wave pseudorandom noise lidar," Appl. Opt. 37, 2238-2241 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-12-2238


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References

  1. N. Takeuchi, N. Sugimoto, H. Baba, K. Sakurai, “Random modulation cw lidar,” Appl. Opt. 22, 1382–1386 (1983). [CrossRef] [PubMed]
  2. N. Takeuchi, H. Baba, K. Sakurai, T. Ueno, “Diode-laser random-modulation cw lidar,” Appl. Opt. 25, 63–67 (1986). [CrossRef] [PubMed]
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  5. Y. Emery, “Statistical approach of the lidar signal analysis: experimental and atmospheric error evaluation,” Ph.D. dissertation (University of Geneva, Geneva, Switzerland, 1996).
  6. Y. Emery, C. Flesia, “Effect of signal dynamics: a comparative study between PRN and pulse illuminated lidar systems,” in Advances in Atmospheric Remote Sensing with LIDAR Systems, A. Ansmann, R. Neuber, P. Rairoux, U. Wandinger, eds. (Springer-Verlag, Berlin, 1996), pp. 123–126.
  7. G. P. Anderson, S. A. Clough, F. X. Kneizys, J. H. Chetwynd, E. P. Shettle, “AFGL atmospheric constituent profiles (0–120 km),” AFGL-TR-86-0110 (U.S. Air Force Geophysics Laboratory, Hanscom Air Force Base, Mass., 1986).

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