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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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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