Results 1 to 10 of about 108,193,767 (94)

Utilizing LuTan-1 SAR Images to Monitor the Mining-Induced Subsidence and Comparative Analysis with Sentinel-1

Remote Sensing
The LuTan-1 (LT-1) satellite, launched in 2022, is China’s first L-band full-polarimetric Synthetic Aperture Radar (SAR) constellation, boasting interferometry capabilities. However, given its limited use in subsidence monitoring to date, a comprehensive
Fengqi Yang, Xianlin Shi, Keren Dai, Wenlong Zhang, Shuai Yang, Jing Han, Ningling Wen, Jin Deng, Tao Li, Yuan Yao, Rui Zhang   +10 more
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Cross-validation of the DEM obtained using LuTan-1 SAR satellites: A case study in Guyuan County, China [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The digital elevation model (DEM) based on synthetic aperture radar interferometry (SAR, InSAR) technology have become an important data source for large-scale topographic mapping, but their characteristics vary with satellite systems and methodologies ...
X. Tang, Y. Lu, T. Li, X. Zhou, J. Lu, X. Zhang, X. Zhang, X. Qiu, J. Chen   +8 more
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Enhanced Matrix Completion Method for Superresolution Tomography SAR Imaging: First Large-Scale Urban 3-D High-Resolution Results of LT-1 Satellites Using Monostatic Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
LuTan-1 (LT-1) constellation is an innovative distributed L-band spaceborne synthetic aperture radar (SAR), which can potentially provide tomographic mapping with twin satellites, i.e., tomographic SAR (TomoSAR) imaging.
Honghao Zhou, Gang Xu, Xiang-Gen Xia, Tao Li, Hanwen Yu, Yanyang Liu, Xiang Zhang, Mengdao Xing, Wei Hong   +8 more
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Demonstration of Phase-Preserving Synchronization RFI Suppression for L-Band Spaceborne Bistatic Interferometric SAR

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Spaceborne bistatic synthetic aperture radar (BiSAR) systems utilize an intersatellite link to achieve phase synchronization. However, radio frequency interference (RFI) from communication satellites and ground-based radars often contaminates the ...
Yanyan Zhang, Junfeng Li, Pingping Lu, Tianyuan Yang, Robert Wang   +4 more
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Comparison between DInSAR and Stacking in Deformation Monitoring Using LuTan-1 [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
LuTan-1 (LT-1) satellite constellation is used to conduct surface deformation monitoring. Following the successful launch of two satellites, we began to use the independently developed LandSAR software for differential interferometric data processing and
J. Lu, X. Tang, T. Li, X. Zhang, X. Zhang, T. Li, X. Qiu   +6 more
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Monitoring and Analysis of Surface Deformation in Lingshi County Using Dual-Orbit LuTan-1 SBAS-InSAR

Applied Sciences
The Loess Plateau features complex geological conditions. Large-scale coal-mining activities further trigger severe and spatially heterogeneous surface deformation, which poses substantial challenges for high-precision deformation monitoring ...
Yihan Liu, Yanrong Li, Pengsheng Wang
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3-D Joint Inversion of Urban Persistent and Distributed Scatterers via SAR Tomography

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Existing urban spaceborne synthetic aperture radar (SAR) tomography (TomoSAR) inversion methods predominantly focus on persistent scatterer (PS), while distributed scatterer (DS) constitute a substantial proportion of urban targets and provide critical ...
Youjun Wang, Zhen Dong, Xiantao Wang, Yanyang Liu, Yucheng Gao, Anxi Yu, Yifei Ji   +6 more
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Detection of Small-Scale Potential Landslides in Vegetation-Covered Areas of the Hengduan Mountains Using LT-1 Imagery: A Case Study of the Luding Seismic Zone

Remote Sensing
The rugged terrain and dense vegetation in the mountainous area of Luding after the strong earthquake have made geologic hazards hidden and difficult to verify, and there are limitations in the fine-resolution monitoring of small-scale landslides ...
Hang Jiang, Xianhua Yang, Hui Wen, Xiaogang Wang, Chuanyang Lei, Rui Zhang   +5 more
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Monitoring surface deformation dynamics in the mining subsidence area using LT-1 InSAR interferometry: A case study of Datong, China

International Journal of Applied Earth Observations and Geoinformation
Monitoring of mining-induced subsidence dynamics enables to the exploration and analysis of changes in the direction of surface deformation caused by the extraction of underground resources.
Liuru Hu, Xinming Tang, Roberto Tomás, Tao Li, Xiang Zhang, Zhiwei Li, Jiaqi Yao, Jing Lu   +7 more
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Rapid Detection of Ionospheric Disturbances in L-Band InSAR Systems: A Case Study Using LT-1 Data

Remote Sensing
Ionospheric effects constitute a key error source limiting the accuracy of surface deformation monitoring using L-band interferometric synthetic aperture radar (InSAR).
Huaishuai Wang, Hongjun Song, Yulun Wu, Yang Liu, Jili Wang, Xiang Zhang   +5 more
doaj   +1 more source