VANDE HEY, J.D. ... et al, 2011. Determination of overlap in lidar systems. Applied Optics, 50 (30), pp.5791-5797.
The overlap profile, also known as crossover function or geometric form factor, is often a source of uncertainty for lidar measurements. This paper describes a method for measuring the overlap by presenting the lidar with a virtual cloud through the use of an imaging system. Results show good agreement with horizontal hard target lidar measurements and with geometric overlap calculated for the ideal aberration-free case.
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