Results 21 to 30 of about 107,517,024 (132)

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

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

Remote 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, Pingping Lu, Yonghua Cai, Yirong Wu, Robert Wang   +4 more
doaj   +2 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 ...
Yu Wang, Yachao Wang, Jingwen Mou
exaly   +3 more sources

Operational Deformation Monitoring of the Hong Kong–Zhuhai–Macao Bridge with Multi-Orbit LuTan-1 SAR Satellites [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
This study evaluates the operational capability of the Chinese LuTan-1 (LT-1) L-band SAR constellation for monitoring the Hong Kong–Zhuhai–Macao Bridge (HZMB), a representative sea-crossing bridge under a complex subtropical marine climate ...
J. Lu, X. Tang, T. Li, X. Zhang, X. Zhang, T. Li, X. Qiu, Y. Lu   +7 more
doaj   +2 more sources

First Retrieval of Sea Surface Currents Using L-Band SAR in Satellite Formation

Remote Sensing
The inversion of ocean currents is a significant challenge and area of interest in ocean remote sensing. Spaceborne along-track interferometric synthetic aperture radar (ATI-SAR) has several advantages and benefits, including precise observations ...
Bo Pan, Xinzhe Yuan, Tao Li, Tao Lai, Xiaoqing Wang, Chengji Xu, Haifeng Huang   +6 more
doaj   +2 more sources

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
doaj   +2 more sources

A Study on the Identification of Geohazards in Henan Province Based on the Basic Deformation Products of LuTan-1

Remote Sensing
Henan Province, characterized by hills and mountains in its western, northern, and southern regions, is a high-risk area for geohazards in China. In this paper, we are the first to investigate the geohazards over Henan using the basic deformation ...
Xiang Zhang, Jing Lu
exaly   +3 more sources

Geometric Error Analysis and Correction of Long-Term In-Orbit Measured Calibration Data of the LuTan-1 SAR Satellite

Remote Sensing
LuTan-1 (LT-1) is China’s first L-band differential interferometric synthetic aperture radar system, comprising two multi-polarization SAR satellites, LT-1A and LT-1B.
Liyuan Liu, Aichun Wang, Mingxia Zhang, Qijin Han, Minghui Hou, Yanru Li   +5 more
exaly   +3 more sources

DINAMIKA STRUKTUR KOMUNITAS TUMBUHAN AIR DI DANAU LUTAN KELURAHAN TUMBANG RUNGAN KOTA PALANGKA RAYA [PDF]

, 2023
Penelitian ini mengkaji tentang dinamika struktur komunitas tumbuhan air di Danau Lutan berdasarkan analisis struktur komunitas tumbuhan air dan kondisi kualitas air parameter fisika dan kimia sebagai faktor pendukung pertumbuhan tumbuhan air.
Noor Asma Intan Puteri, Subhan Abror Alhidayat, Linda Wulandari, Yuli Ruthena   +3 more
core   +1 more source

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

Journal 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