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

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.
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https://hal.univ-brest.fr/hal-00683752
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Submitted on : Thursday, March 29, 2012 - 6:25:32 PM
Last modification on : Monday, October 11, 2021 - 2:22:23 PM
Long-term archiving on: : Saturday, June 30, 2012 - 2:36:16 AM

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Vincent Jézéquel, Frédéric Audo, Fabrice Pellen, Bernard Le Jeune. Experimentally based simulations on modulated lidar for shallow underwater target detection and localization. Proc. SPIE 7825, 78250E (2010), 2010, pp. 78250E1-14. ⟨10.1117/12.864678⟩. ⟨hal-00683752⟩

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