22 May 2017 Statistical signal processing technique to reduce effects of forward scatter on underwater modulated pulse lidar
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Abstract
This work presents a new statistical signal processing approach to reduce the effects of forward scatter on range accuracy for an underwater modulated pulse lidar. Lidar sensors offer the potential for high-resolution, high-accuracy ranging in the underwater environment. For the modulated pulse lidar rangefinder, performance is limited in turbid waters primarily due to forward scatter, which causes decreased range resolution and accuracy. This work presents simulated and experimental results demonstrating the ability of statistical signal processing to reduce range error for systems operating in these turbid conditions. Experimental results demonstrated 60% reduction in range error compared to a baseline approach.
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David W. Illig, Robert W. Lee, Linda J. Mullen, "Statistical signal processing technique to reduce effects of forward scatter on underwater modulated pulse lidar", Proc. SPIE 10186, Ocean Sensing and Monitoring IX, 101860D (22 May 2017); doi: 10.1117/12.2264381; https://doi.org/10.1117/12.2264381
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