Jinghan Gao, Daojing Li, Kai Zhou, Anjing Cui, Jiang Wu. Analysis of Airborne Lidar Bathymetry Distance Based on Conformal Diffractive Optical System[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1201001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 12, 1201001 (2021)
Fig. 1. Model of the ALB. (a) Equivalent schematic diagram of the altitude; (b) equivalent schematic diagram of θT and θr
Fig. 2. Schematic diagram of the airborne lidar system. (a) Front view; (b) side view
Fig. 3. Two-dimensional scanning optical path of the diffractive optical system
Fig. 4. Structure of the laser local oscillator array detector
Fig. 5. Relationship between of the detection depth and the RSN of the conformal diffractive optical system. (a) Day; (b) night
Fig. 6. Relationship between detection depth and RSN after the introduction of the local oscillator laser
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Table 1. Parameters of the photoelectric detection system
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Table 2. Parameters of our system
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