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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 6 — Feb. 20, 1999
  • pp: 1021–1039

Analytical Waveform Generation from Small Objects in Lidar Bathymetry

H. Michael Tulldahl and K. Ove Steinvall  »View Author Affiliations


Applied Optics, Vol. 38, Issue 6, pp. 1021-1039 (1999)
http://dx.doi.org/10.1364/AO.38.001021


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Abstract

We present a model to simulate receiver waveforms from an airborne sea-depth-sounding lidar to compare the influence that is due to different shapes of objects placed on the sea bottom. The objects are of size 1 m<sup>3</sup>, and the bottom depths are 5–12 m. We use an existing analytical beam-propagation model and divide the bottom into squares. For each element on the bottom grid we create a transmitted and a reflected waveform. The waveforms are summed, yielding a total contribution from all bottom elements. We compare two object types, cylinder and cube, and find that the difference in the receiver waveform is small between these objects. Simulated waveforms are compared with experimental data from the Swedish Hawk Eye system and show good agreement.

© 1999 Optical Society of America

OCIS Codes
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(290.7050) Scattering : Turbid media

Citation
H. Michael Tulldahl and K. Ove Steinvall, "Analytical Waveform Generation from Small Objects in Lidar Bathymetry," Appl. Opt. 38, 1021-1039 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-6-1021

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