Ming GUO, Xingyu TANG, Yunming LIU, Changwei WANG, Yujin WEI. Ground deformation analysis along island subway line by fusing time-series InSAR and LiDAR techniques[J]. Optics and Precision Engineering, 2023, 31(13): 1988
- Optics and Precision Engineering
- Vol. 31, Issue 13, 1988 (2023)
Fig. 1. Overview map of study area
Fig. 2. Route map of Xiamen No.2 line project
Fig. 3. Point cloud data and scope of study
Fig. 4. Water level distribution map
Fig. 5. Technology roadmap for ground deformation analysis along island subway line
Fig. 6. encapsulation and fit alignment
Fig. 7. 3D analysis results
Fig. 8. Comparison results
Fig. 9. PS-InSAR deformation rate results
Fig. 10. SBAS-InSAR deformation rate results
Fig. 11. Local analysis maps
Fig. 12. Lv Chu cave-in accident site
Fig. 13. Accident area analysis selection map
Fig. 14. Time-series settlement changes in accident area
Fig. 15. Two-dimensional comparison of selected section locations
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Table 1. Parameters of sentinel-1A satellite imaging mode
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Table 2. Statistic of sections with accumulated settlement changes of more than 10 mm
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Table 3. Comparison of local point settlement
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