Results 11 to 20 of about 29,691,872 (165)

Coseismic Deformation Monitoring and Seismogenic Fault Parameter Inversion Using Lutan-1 Data: A Comparative Analysis with Sentinel-1A Data

Remote Sensing
Lutan-1 is the first L-band SAR satellite launched by China with the core mission of geohazard monitoring, but few studies have been conducted to apply it in the field of earthquakes. In this paper, the capability of Lutan-1 data in coseismic deformation
Peng Junhuan, Xue Chen, Yueze Zheng
exaly   +4 more sources

First Assessment of Bistatic Geometric Calibration and Geolocation Accuracy of Innovative Spaceborne Synthetic Aperture Radar LuTan-1

Remote Sensing, 2023
LuTan-1 (LT-1) is a bistatic synthetic aperture radar (BiSAR) system consisting of two identical L-band SAR satellites. The bistatic mode of LT-1 plays a critical role in generating high-precision digital elevation models (DEMs), which requires precise ...
Wang Aichun, Yu Wang, Jingwen Mou
exaly   +4 more sources

In-Orbit Assessment of Image Quality Metrics for the LuTan-1 SAR Satellite Constellation

Remote Sensing
LuTan-1(LT-1) is the first Chinese civil L-band satellite constellation for geohazard observation, comprising LT-1A and LT-1B satellites. By employing interferometric altimetry and differential deformation measurement technologies, it achieves high ...
Mingxia Zhang, Liyuan Liu, Aichun Wang, Qijin Han, Minghui Hou, Yanru Li   +5 more
doaj   +3 more sources

Radiometric Performance Monitoring Method for LuTan-1 Satellites Combining Internal Calibration and Field Calibration

Remote Sensing
The Lutan-1 (LT-1) mission is the first civilian L-band differential interferometric synthetic aperture radar (SAR) system in China, with interferometry as its primary application.
Yulin Yao, Mingxia Zhang, Bopeng Yang, Hang Zhao, Qijin Han, Minghui Hou   +5 more
doaj   +3 more sources

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
doaj   +4 more sources

Assessing the Landslide Identification Capability of LuTan-1 in Hilly Regions: A Case Study in Longshan County, Hunan Province

Remote Sensing
China’s first L-band fully polarimetric Synthetic Aperture Radar (SAR) constellation, LuTan-1 (LT-1), was designed for terrain mapping and geohazard monitoring.
Zhiyi Yu, Zefa Yang, Hesheng Chen
exaly   +4 more sources

Multi-temporal Monitoring for Road Slope Collapse by Means of LUTAN-1 SAR Data and High Resolution Optical Data [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Collapse is one of the most destructive natural disaster, being sudden, frequent, and highly concealed, causing large-scale damage. On August 10, 2023, the slope of 108 national highway in Weinan, Shaanxi Province collapsed.
X. Zhang, X. Tang, T. Li, X. Zhou, H. Hu, X. Zhang, J. Lu   +6 more
doaj   +3 more sources

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
doaj   +3 more sources

Large Gradient Subsidence Monitoring in Mining Area Based on LuTan-1 SAR Images [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Large gradient subsidence induced by coal mining generally results in limited applicability of interferometric synthetic aperture radar technique, and even fails to obtain complete and reliable deformation details for mining area.
X. Zhang, H. Zhao, X. Tang, T. Li, X. Zhou, X. Zhang   +5 more
doaj   +3 more sources

The Stability Analysis of Mt. Gongga Glaciers Affected by the 2022 Luding M_S 6.8 Earthquake Based on LuTan-1 and Sentinel-1 Data

Remote Sensing, 2023
On 5 September 2022, an MS 6.8 earthquake occurred in Luding county, Sichuan province, China, with the epicenter located approximately 20 km from the main peak of Mount (Mt.) Gongga. The dynamic situation of Mt.
Hao Li, Bingquan Li, Yongsheng Li, Huizhi Duan   +3 more
doaj   +2 more sources