Results 1 to 10 of about 30,864,347 (112)

Mining Deformation Monitoring Based on Lutan-1 Monostatic and Bistatic Data

open access: yesRemote Sensing, 2023
Coal mining leads to surface subsidence, landslides, soil erosion and other problems that seriously threaten the life and property safety of residents in mining areas, and it is urgent to obtain mining subsidence information using high-frequency, high ...
Xiang Zhang, Tao Li, Hongdong Fan
exaly   +3 more sources

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

open access: yesRemote 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   +3 more sources

Interferometric Calibration Model for the LuTan-1 Mission: Enhancing Digital Elevation Model Accuracy

open access: yesRemote Sensing
The LuTan-1 (LT-1) mission, China’s first civilian bistatic spaceborne Synthetic Aperture Radar (SAR) mission, comprises two L-band SAR satellites.
Wang Aichun, Yu Wang, Jingwen Mou
exaly   +3 more sources

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

open access: yesRemote 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   +3 more sources

First evaluation of the coherence of LuTan-1 bistatic InSAR system

open access: yesInternational Journal of Applied Earth Observation and Geoinformation
The LuTan-1 (LT-1) mission, consisting of two nearly identical synthetic aperture radar (SAR) satellites, LT-1A and LT-1B, conducted unprecedented L-band bistatic data acquisition from June to December 2022, with the objective of generating high ...
Jianjun Zhu, Haiqiang Fu, Huacan Hu
exaly   +3 more sources

Performance Analysis of Channel Imbalance Control and Azimuth Ambiguity Suppression in Azimuth Dual Receiving Antenna Mode of LT-1 Spaceborne SAR System

open access: yesRemote Sensing, 2023
The LuTan-1(LT-1), known as the L-band differential interferometric synthetic aperture radar (SAR) satellite system, is an essential piece of civil infrastructure in China, providing extensive applications such as surface deformation monitoring and ...
Zongxiang Xu   +4 more
doaj   +1 more source

Design Bistatic Interferometric DEM Generation Algorithm and Its Theoretical Accuracy Analysis for LuTan-1 Satellites [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2022
LuTan-1 (LT-1) is a constellation with two full-polarization L-band radar satellites designed by China, and the first satellite was scheduled to be launched in December 2021 and the second one in January 2022.
Bing XU,Liqun LIU,Zhiwei LI,Yan ZHU,Jingxin HOU,Wenxiang MAO
doaj   +1 more source

On the Processing of Dual-Channel Receiving Signals of the LuTan-1 SAR System

open access: yesRemote Sensing, 2022
LuTan-1 (LT-1) is an innovative spaceborne radar Earth observation mission including two satellites equipped with synthetic aperture radar (SAR) which will be launched in 2022.
Haoyu Lin   +6 more
doaj   +1 more source

An Advanced Approach to Improve Synchronization Phase Accuracy with Compressive Sensing for LT-1 Bistatic Spaceborne SAR

open access: yesRemote Sensing, 2022
In the bistatic synthetic aperture radar (BiSAR) system, the unavoidable frequency deviation between the oscillators (USOs) will result in additional phase modulation in the demodulated radar signal, which significantly degrades the quality of the SAR ...
Yonghua Cai   +6 more
doaj   +1 more source

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

open access: yesRemote 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   +3 more
doaj   +1 more source

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