Wen-Hao ZHANG, Song LI, Yue MA, Zhi-Yu ZHANG, Pu-Fan Zhao. Photon-counting lidar simulation method based on three-dimensional sea surface [J]. Journal of Infrared and Millimeter Waves, 2020, 39(4): 483
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 4, 483 (2020)
Fig. 1. Geometry of laser reflection on a facet of the sea surface
Fig. 2. The process of generating photon distribution based on the Monte Carlo method
Fig. 3. Simulation process of photon-counting lidar on sea surface targets(a) spatial distribution of sea surface heights， (b) spatial distribution of normalized energy, (c) spatial distribution of BRDF at different locations,(d) number of signal photons returned from different locations
Fig. 4. Photon point cloud distribution generated based on random sea surface simulation (a) distribution of returning photons， (b) cumulative histogram of simulated photons
Fig. 5. ATLAS's photon distribution in the verification region of East Pacific
Fig. 6. Relationship between the average number of photons per single-pulse and the wind speed above sea surface
Fig. 8. Elevation biases and standard deviations for photon-counting lidars at different wind speeds (a)averaged elevation bias, (b) elevation standard deviation
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Table 2. 星载光子计数激光雷达的海面目标仿真点云与ATLAS实测点云的统计对比
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