Results 11 to 20 of about 2,221 (193)

Estimation of Chlorophyll-a Concentrations in Small Water Bodies: Comparison of Fused Gaofen-6 and Sentinel-2 Sensors

Remote Sensing, 2022
Chlorophyll-a concentrations in water bodies are one of the most important environmental evaluation indicators in monitoring the water environment. Small water bodies include headwater streams, springs, ditches, flushes, small lakes, and ponds, which ...
Jiarui Shi, Qian Shen, Yue Yao, Junsheng Li, Fu Chen, Ru Wang, Wenting Xu, Zuoyan Gao, Libing Wang, Yuting Zhou   +9 more
doaj   +3 more sources

Polarization-Enhancement Effects for the Retrieval of Significant Wave Heights from Gaofen-3 SAR Wave Mode Data

Remote Sensing, 2023
In order to investigate the impact of utilizing multiple pieces of polarization information on the performance of significant wave height (SWH) estimation from Gaofen-3 SAR data, the extreme gradient boosting (XGBoost) models were developed, validated ...
Qiushuang Yan, Chenqing Fan, Tianran Song, Jie Zhang   +3 more
doaj   +2 more sources

Classification of Land Cover in Complex Terrain Using Gaofen-3 SAR Ascending and Descending Orbit Data

Remote Sensing, 2023
Synthetic aperture radar (SAR) image is an effective remote sensing data source for geographic surveys. However, accurate land cover mapping based on SAR image in areas of complex terrain has become a challenge due to serious geometric distortions and ...
Hongxia Wang, Haoran Yang, Yabo Huang, Lin Wu, Zhengwei Guo, Ning Li   +5 more
doaj   +2 more sources

Towards Comprehensive Characterization of GaoFen-3: Polarimetric Radar Performance and Data Quality Assessment

Remote Sensing
Although synthetic aperture radar (SAR) performance and polarimetric data quality are closely related, they represent fundamentally different concepts.
Weibin Liang, Lihong Kang, Shijie Ren
doaj   +2 more sources

Sea Surface Wind Speed Retrieval Using Gaofen-3-02 SAR Full Polarization Data

Remote Sensing
The primary payload onboard the Gaofen-3-02 (GF3-02) satellite is a C-band Synthetic Aperture Radar (SAR) capable of achieving a maximum resolution of 1 m.
Kuo Zhang, Yuxin Hu, Junxin Yang, Xiaochen Wang   +3 more
doaj   +2 more sources

Evaluation of Multi-Incidence Angle Polarimetric Gaofen-3 SAR Wave Mode Data for Significant Wave Height Retrieval

Remote Sensing, 2022
Significant wave height (SWH) is one of the most important descriptors for ocean wave fields. The polynomial regression (PolR) and Gaussian process regression (GPR) models are implemented to explore the effects of polarization and incidence angles on the
Chenqing Fan, Tianran Song, Qiushuang Yan, Junmin Meng, Yuqi Wu, Jie Zhang   +5 more
doaj   +2 more sources

AN INTERFEROMETRIC PROCESSING METHOD TO MAINTAIN BOTH ACCURACY AND RESOLUTION OF DEM USING GAOFEN-3 SAR DATA [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Gaofen-3 (GF-3) is the only in-orbit SAR satellite of China civilian fields. It is designed especially for ocean observation but not for interferometric applications.
T. Li, X. Tang, X. Gao, Q. Chen, X. Zhang, L. Guo   +5 more
doaj   +3 more sources

Multiple Mode SAR Raw Data Simulation and Parallel Acceleration for Gaofen-3 Mission

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2018
Gaofen-3 is China's first meter-level multipolarization synthetic aperture radar (SAR) satellite with 12 imaging modes for the scientific and commercial applications. In order to evaluate the imaging performance of these modes, the multiple mode SAR raw data simulation is highly demanded. In the paper, the multiple mode SAR simulation framework will be
Fan Zhang, Xiaojie Yao, Hanyuan Tang, Qiang Yin, Yuxin Hu, Bin Lei   +5 more
openaire   +3 more sources

Investigation of Polarimetric Decomposition for Arctic Summer Sea Ice Classification Using Gaofen-3 Fully Polarimetric SAR Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
The aim of this article was to investigate the potential of polarimetric decomposition of Chinese Gaofen-3 (GF-3) C-band fully polarimetric synthetic aperture radar (PolSAR) data for Arctic sea ice classification during summer season.
Lian He, Xiyi He, Fengming Hui, Yufang Ye, Tianyu Zhang, Xiao Cheng   +5 more
doaj   +2 more sources

Empirical Algorithm for Significant Wave Height Retrieval from Wave Mode Data Provided by the Chinese Satellite Gaofen-3 [PDF]

Remote Sensing, 2018
Gaofen-3 (GF-3), the first Chinese civil C-band synthetic aperture radar (SAR), was successfully launched by the China Academy of Space Technology on 10 August 2016.
He Wang, Jing Wang, Jingsong Yang, Lin Ren, Jianhua Zhu, Xinzhe Yuan, Chunhua Xie   +6 more
doaj   +2 more sources