Simulation by Monte Carlo method of effect of lidar’s fields of view to echo signals

Qizhong Liu; Kecheng Yang; Jinsong Liu; Dan Tan; Ying Gao; Long Yu

doi:10.1117/12.576939

8 November 2004 Simulation by Monte Carlo method of effect of lidar's fields of view to echo signals

Qizhong Liu, Kecheng Yang, Jinsong Liu, Dan Tan, Ying Gao, Long Yu

Proceedings Volume 5638, Optical Design and Testing II; (2004) https://doi.org/10.1117/12.576939
Event: Photonics Asia, 2004, Beijing, China

Abstract

The transportation of lidar’s laser beam in seawater is simulated by Monte Carlo method, which combined with statistic, estimate method and weigh method. It should be hypothesized that the incidence laser beam is vertical down and the beam is infinitude thin and vertical. The edge of atmosphere and seawater is located as cone. The axial line of the cone is same to the axial line of the laser impulse spread. It shows that the FOV (fields of view) of lidar’s detector have some influence to the waveform of echo signals. The influence is quite clear when the fields of view is quite small. The larger of the fields of view is, the slower the attenuation speed is. The trend goes to saturation when the fields of view add to a certainty. The conclusion is that the best receiving FOV is between 50mrad ~ 70mrad to the on-board lidar system which located in height at about 500 meters.

Citation Download Citation

Qizhong Liu, Kecheng Yang, Jinsong Liu, Dan Tan, Ying Gao, and Long Yu "Simulation by Monte Carlo method of effect of lidar's fields of view to echo signals", Proc. SPIE 5638, Optical Design and Testing II, (8 November 2004); https://doi.org/10.1117/12.576939

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