Zheng Zhao, Zhiyu Zhang, Songhua Wu. Impulse Response of ICESat-2 Satellite LiDAR System and Inversion Study of Ocean Optical Parameters[J]. Laser & Optoelectronics Progress, 2025, 62(1): 0101001
- Laser & Optoelectronics Progress
- Vol. 62, Issue 1, 0101001 (2025)
Fig. 1. ATLAS nighttime data for the Atlantic and the Uyuni Salt Marsh region. (a) Atlantic photon point cloud; (b) Atlantic histogram of photon event accumulation; (c) Uyuni salt marsh region photon point cloud; (d) Uyuni salt marsh region histogram of photon event accumulation
Fig. 2. Accumulation histogram of photon events on different surfaces. (a) Accumulation of ground experiment data; (b) accumulation of on-orbit ocean data; (c) accumulation of on-orbit salt marsh data; (d) accumulation of on-orbit desert data
Fig. 3. Theoretical values of pulse broadening of ATLAS system for different surface roughness and surface slope
Fig. 4. Data quality control process
Fig. 5. Uyuni salt marsh data and its quality control results. (a) Initial point cloud data of Uyuni salt marsh; (b) quality control results
Fig. 6. Comparison results of Uyuni salt marsh ATL03 data before and after peak alignment and its profile signal. (a) Photon point cloud without peak alignment; (b) accumulation histogram without peak alignment; (c) photon point cloud after peak alignment; (d) accumulation histogram after peak alignment
Fig. 7. Comparison result of system impulse response function. (a) System impulse response function of system established after quality control; (b) system impulse response function of system established directly
Fig. 8. Comparison of bbp inversion results in the Black Sea area based on different system impulse response functions. (a) SIRg; (b) SIRqcs; (c) SIRqcd; (d) SIRqus; (e) SIRqud
Fig. 9. Comparison of bb and bbp inversion results for Black Sea area. (a) Inversion results of bbp; (b) inversion results of bb
|
Table 1. Comparison of relative positions and relative intensities of AP1, AP2, and AP0
|
Table 2. Parameter fitting results for ex-Gaussian distribution
| |||||||||||||||||||||||||||||||||||||||
Table 3. Comparison of inversion results of corrected impulse response function of system built with different data
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20