Results 21 to 30 of about 61,795 (173)

GEOMETRIC EVALUATION OF GAOFEN-7 STEREO DATA [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
China’s first sub-metre stereo satellite, GaoFen-7, was launched on 7 November 2019. One of the main criteria for a stereo mapping satellite is the geometric accuracy of the images.
P. d’Angelo, J. Tian
doaj   +3 more sources

Observing Sea Surface Current by Gaofen-3 Satellite Along-Track Interferometric SAR Experimental Mode [PDF]

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Sea surface current is a research hotspot in oceanography. Space-borne along-track interferometric synthetic aperture radar (along-track InSAR, ATI) is a promising sensor for measuring high-resolution sea surface current field, and there is no ...
Xinzhe Yuan, Mingsen Lin, Bing Han, Liangbo Zhao, Wenyu Wang, Jili Sun, Weili Wang   +6 more
doaj   +2 more sources

Development of China’s spaceborne SAR satellite, processing strategy, and application: take Gaofen-3 series as an example

Geo-spatial Information Science, 2022
After mastering the key technologies of manufacturing spaceborne Synthetic Aperture Radar (SAR), China’s SAR satellites have been successfully launched into space.
Guo Zhang, Shunyao Wang, Zhenwei Chen, Yuzhi Zheng, Ruishan Zhao, Taoyang Wang, Yu Zhu, Xinzhe Yuan, Wei Wu, Weitao Chen   +9 more
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Coastline Detection with Gaofen-3 SAR Images Using an Improved FCM Method

Sensors, 2018
The coastline detection is one of the main applications of the Gaofen-3 satellite in the ocean field. However, the capability of Gaofen-3 SAR image in coastline detection has not yet been validated.
Meng An, Qian Sun, Jun Hu, Yuqi Tang, Ziwei Zhu   +4 more
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Evapotranspiration Everywhere, All the Time: Towards a Unified View From Earth Observation. [PDF]

Glob Chang Biol
This paper discusses the evolution and revolution of Earth observation for evapotranspiration (ET), as we advanced from the first Landsat satellite and development of ET models through the progression of increasingly higher resolution across international space agencies and commercial industry with increasing ET model sophistication, cloud computing ...
Fisher JB, Anderson MC, Miralles DG, Mallick K, Stoy PC, Ryu Y, Bastiaanssen WGM.   +6 more
europepmc   +2 more sources

The Glacier Inventory Dataset of the Qilian Mountains for the Period 2018–2019 [PDF]

Scientific Data
The Qilian Mountains are located in the arid region of northwestern China and represent a vital ecological functional zone in this area. Glaciers in the Qilian Mountains, as the primary source of freshwater, play a crucial role in regulating the regional
Xiang Qin, Renjun Wang, Yushuo Liu, Jinlong Zhang, Xia Li   +4 more
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Polarimetric Calibration of the GaoFen-3 Mission Using Active Radar Calibrators and the Applicable Conditions of System Model for Radar Polarimeters

Remote Sensing, 2019
GaoFen-3, the first polarimetric SAR satellite of China, carried out polarimetric calibration experiments using C-band polarimetric active radar calibrators (PARCs), trihedral corner reflectors (TCRs), and dihedral corner reflectors (DCRs).
Weibin Liang, Zengzeng Jia, Xiaolan Qiu, Jun Hong, Qingjun Zhang, Bin Lei, Fan Zhang, Zhaoguo Deng, Aichun Wang   +8 more
doaj   +2 more sources

Radiometric cross Calibration of Gaofen-1 WFV Cameras Using Landsat-8 OLI Images: A Simple Image-Based Method

Remote Sensing, 2016
WFV (Wide Field of View) cameras on-board Gaofen-1 satellite (gaofen means high resolution) provide unparalleled global observations with both high spatial and high temporal resolutions.
Juan Li, Lian Feng, Xiaoping Pang, Weishu Gong, Xi Zhao   +4 more
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Enhancing coastal bathymetric mapping with physics-informed recurrent neural networks synergizing Gaofen satellite imagery and ICESat-2 lidar data: A case in the South China Sea

Ecological Informatics
Satellite-derived bathymetry (SDB) has emerged as a critical technique in response to the growing demand for large-scale coastal bathymetric mapping. However, high-resolution multispectral imagery from Gaofen satellites presents significant challenges ...
Congshuang Xie, Siqi Zhang, Zhenhua Zhang, Peng Chen, Delu Pan   +4 more
doaj   +3 more sources

Wind vector retrieval from Gaofen-3 SAR imagery using the method of iterative line fitting in image power spectrum domain

All Earth
The Gaofen-3 (GF-3) is a Chinese Synthetic Aperture Radar (SAR) satellite primarily designed for monitoring marine dynamic environments. Compared to spaceborne scatterometers, it can monitor sea surface wind fields with higher spatial resolution ...
Xuetong Xie, Jinlan Zhang, Yan Zheng, Kehai Chen   +3 more
doaj   +2 more sources