Xiaobin Wang, Hongkai Zhao, Yudi Zhou, Fang Zhang, Peituo Xu, Qun Liu, Chong Liu, Dong Liu. Characteristics of jellyfish in the Yellow Sea detected by polarized oceanic lidar[J]. Infrared and Laser Engineering, 2021, 50(6): 20211038
- Infrared and Laser Engineering
- Vol. 50, Issue 6, 20211038 (2021)
Fig. 1. Schematic diagram of polarized oceanic lidar system
Fig. 2. Sea trial route map
![[in Chinese]](/Images/icon/loading.gif){kind=icon}
Fig. 3. [in Chinese]
Fig. 3. Signal difference between strongly scattered individual and strongly scattered population. (a) Few continuous profiles with peak bulge; (b) Exist strongly scattered individual; (c) Many continuous profiles with peak bulge; (d) Exist strongly scattered layer
Fig. 4. Peak contrast screening can effectively avoid the interference of strongly scattered layer
Fig. 5. Separate the jellyfish signal and the background water signal by linear fitting method
Fig. 6. Video monitor result and automatic detection result from lidar signal
Fig. 7. Distribution result of depolarization ratio of jellyfish
Fig. 8. Distribution result of signal contrast of jellyfish
Fig. 9. Histogram of jellyfish depth distribution and Gaussian fitting results
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