Results 11 to 20 of about 38 (38)

An Advanced Interferometric Baseline Estimation Method (IBEM) for Spaceborne Bistatic SAR

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Spaceborne bistatic synthetic aperture radar (BiSAR) employs single-pass cross-track interferometry (XTI) to invert digital elevation models (DEMs) of target areas.
Yanyan Zhang, Junfeng Li, Pingping Lu, Robert Wang   +3 more
doaj   +1 more source

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   +1 more source

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   +1 more source

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

Remote Sensing
The LuTan-1 (LT-1) mission, China’s first civilian bistatic spaceborne Synthetic Aperture Radar (SAR) mission, comprises two L-band SAR satellites.
Jingwen Mou, Yu Wang, Jun Hong, Yachao Wang, Aichun Wang, Shiyu Sun, Guikun Liu   +6 more
doaj   +1 more source

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   +1 more source

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
doaj   +1 more source

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.
Hesheng Chen, Zuohui Qin, Bo Liu, Renwei Peng, Zhiyi Yu, Tengfei Yao, Zefa Yang, Guangcai Feng, Wenxin Wang   +8 more
doaj   +1 more source

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

International Journal of Applied Earth Observations 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 ...
Huacan Hu, Haiqiang Fu, JianJun Zhu, Qijin Han, Aichun Wang, Kefu Wu, Dong Zeng, Yanzhou Xie, Mingxia Zhang, Yang Liu   +9 more
doaj   +1 more source

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
doaj   +1 more source

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
doaj   +1 more source