Results 1 to 10 of about 290 (206)

Landslide Deformation Monitoring by Adaptive Distributed Scatterer Interferometric Synthetic Aperture Radar

Remote Sensing, 2019
Landslide is the second most frequent geological disaster after earthquake, which causes a large number of casualties and economic losses every year. China frequently experiences devastating landslides in mountainous areas.
Hongguo Jia, Hao Zhang, Luyao Liu, Guoxiang Liu   +3 more
doaj   +3 more sources

The Deformation Monitoring Capability of Fucheng-1 Time-Series InSAR [PDF]

Sensors
The Fucheng-1 (FC-1) satellite has successfully transitioned from its initial operational phase and is now undergoing a detailed performance assessment for time-series deformation monitoring.
Zhouhang Wu, Wenjun Zhang, Jialun Cai, Hongyao Xiang, Jing Fan, Xiaomeng Wang   +5 more
doaj   +2 more sources

Polarimetric Time-Series InSAR for Surface Deformation Monitoring in Mining Area Using Dual-Polarization Data [PDF]

Sensors
Timely and reliable surface deformation monitoring is critical for hazard prevention and resource management in mining areas. However, traditional Time-Series Interferometric (TSI) Synthetic Aperture Radar techniques often suffer from low coherent point ...
Xingjun Ju, Sihua Gao, Yongfeng Li
doaj   +2 more sources

Monitoring Surface Subsidence Using Distributed Scatterer InSAR with an Improved Statistically Homogeneous Pixel Selection Method in Coalfield Fire Zones

Remote Sensing, 2023
Statistically homogeneous pixel (SHP) selection is an important process in the distributed scatterer interferometric synthetic aperture radar (DS-InSAR) approach. However, prevalent methods struggle to appropriately balance the efficiency and accuracy of
Zeming Tian, Hongdong Fan, Fei Cao, Long He   +3 more
doaj   +3 more sources

Monitoring Ground Displacement in Mining Areas with Time-Series Interferometric Synthetic Aperture Radar by Integrating Persistent Scatterer/Slowly Decoherent Filtering Phase/Distributed Scatterer Approaches Based on Signal-to-Noise Ratio

Applied Sciences, 2023
During the interferometric synthetic aperture radar (InSAR)-based ground displacement monitoring in mining areas, the overlying land is mainly covered by low vegetation and arable land, which makes interferograms acquired by InSAR techniques easily ...
Zhiwei Wang, Wenhui Li, Yue Zhao, Aihui Jiang, Tonglong Zhao, Qiuying Guo, Wanqiu Li, Yang Chen, Xiaofang Ren   +8 more
doaj   +3 more sources

Enhanced Landslide Monitoring in Complex Mountain Terrain Using Distributed Scatterer InSAR and Phase Optimization: A Case Study in Zhenxiong, China [PDF]

Sensors
Landslide deformation monitoring plays a critical role in geohazard prevention and risk mitigation in mountainous regions, where timely and reliable deformation information is essential for early warning and disaster management.
Jingyuan Liang, Bohui Tang, Menghua Li, Fangliang Cai, Lei Wei, Cheng Huang   +5 more
doaj   +2 more sources

Time-series InSAR measurement using ICOPS and estimation of along-track surface deformation using MAI during the 2021 eruption of Fagradalsfjall Volcano, Iceland [PDF]

Scientific Reports
The eruption in Fagradalsfjall Volcano, located in Reykjanes Peninsula, Iceland, from several centuries’ dormant states, occurred for the first time on March 19, 2021. Observations of Fagradalsfjall Volcano were conducted in 2021, and the eruption period
Wahyu Luqmanul Hakim, Muhammad Fulki Fadhillah, Seulki Lee, Sungjae Park, Won-Kyung Baek, Chang-Ki Hong, Hyun-Cheol Kim, Chang-Wook Lee   +7 more
doaj   +2 more sources

Optimal algorithm for distributed scatterer InSAR phase estimation based on cross-correlation complex coherence matrix

International Journal of Applied Earth Observations and Geoinformation
Low scattering terrain areas introduce complex phase interference, which reduces the accuracy of deformation signal estimation in InSAR(Interferometric Synthetic Aperture Radar) techniques. Existing covariance matrix-based InSAR phase calculation methods
Dingyi Zhou, Zhifang Zhao
doaj   +3 more sources

A phase-decomposition-based polarimetric coherence optimization method

International Journal of Applied Earth Observations and Geoinformation, 2022
The interference between different scattering components in distributed scatterer (DS) makes it difficult to estimate the phase from DS. Recently, some methods based on eigenvalue decomposition (EVD) are proposed to separate scatterer components from DS,
Zhengjia Zhang, Xiucheng Jiang, Mengmeng Wang, Xiuguo Liu, Qingxiang Wang, Ran Li   +5 more
doaj   +1 more source

Mining Subsidence Monitoring With Modified Time-Series SAR Interferometry Method Based on the Multi-Level Processing Strategy

IEEE Access, 2021
The supply of coal is related to the stability of social development in China. Coal mining faces are generally located under farmland and wasteland to avoid destroying the livelihood and property of residents, which seriously affects the selection of ...
Qian He, Yonghong Zhang, Hongan Wu, Yong Luo   +3 more
doaj   +1 more source