Experimentally based simulations on modulated lidar for shallow underwater target detection and localization

Vincent Jezequel; Frederic Audo; Fabrice Pellen; Bernard Le Jeune

doi:10.1117/12.864678

18 October 2010 Experimentally based simulations on modulated lidar for shallow underwater target detection and localization

Vincent Jezequel, Frederic Audo, Fabrice Pellen, Bernard Le Jeune

Author Affiliations +

Proceedings Volume 7825, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2010; 78250E (2010) https://doi.org/10.1117/12.864678
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

Light detection and ranging (LIDAR) is currently used for bathymetric measurement or underwater target detection. A new underwater-target detection scheme named modulated lidar was recently proposed. The study reported here deals with optimization of the modulation process to be applied under such detection conditions. A theoretical model was extracted from available experimental results by deconvolution and further used to simulate realistic backscattered signals for the development of a new modulation scheme. Then, an optimum set of amplitude modulation code parameters was obtained by maximizing the target signal-to-noise ratio. This paper will highlight some particularly promising waveform configurations.

Citation Download Citation

Vincent Jezequel, Frederic Audo, Fabrice Pellen, and Bernard Le Jeune "Experimentally based simulations on modulated lidar for shallow underwater target detection and localization", Proc. SPIE 7825, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2010, 78250E (18 October 2010); https://doi.org/10.1117/12.864678

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