Results 61 to 70 of about 144 (135)

PLGF-NET: A Physics-Guided Local-Global fusion network for GNSS-R high wind speed retrieval

International Journal of Applied Earth Observations and Geoinformation
Accurate global sea surface wind speed retrieval under high-wind conditions (> 15 m/s) remains a persistent bottleneck for spaceborne Global Navigation Satellite System Reflectometry (GNSS-R).
Xinzhe Xu, Minfeng Song, Xiufeng He, Jinsheng Tu, Xiaolei Wang, Jinwen Zeng, Hao Yang, Wei Zhan   +7 more
doaj   +1 more source

GF-3 SAR Ocean Wind Retrieval: The First View and Preliminary Assessment

Remote Sensing, 2017
Gaofen-3 (GF-3) is the first Chinese civil C-band synthetic aperture radar (SAR) launched on 10 August 2016 by the China Academy of Space Technology (CAST), which operates in 12 imaging modes with a fine spatial resolution up to 1 m.
He Wang, Jingsong Yang, Alexis Mouche, Weizeng Shao, Jianhua Zhu, Lin Ren, Chunhua Xie   +6 more
doaj   +1 more source

CNN-SENet: a GNSS-R ocean wind speed retrieval model integrating CNN and SENet attention mechanism

Satellite Navigation
The retrieval of sea surface wind speed is a key application of Global Navigation Satellite System-Reflectometry (GNSS-R). The continuous advancement of deep learning technologies has enabled the application of Convolutional Neural Network (CNN) models ...
Yimin Xia, Dongliang Guan, Zhiling Zhou
doaj   +1 more source

Field evaluation of semi-automated moisture estimation from geophysics using machine learning. [PDF]

Vadose Zone J, 2023
Terry N, Day-Lewis FD, Lane JW, Johnson CD, Werkema D.   +4 more
europepmc   +1 more source

Preliminary analysis of wind and wave retrieval from Chinese 1mC-SAR image

European Journal of Remote Sensing
Chinese satellite carrying synthetic aperture radar (SAR) with spatial resolution up to 1 m, denoted as 1mC-SAR, is the successor of Gaofen-3 (GF-3). The main purpose of this study is to conduct the preliminary analysis of wind and wave retrieval from ...
Yu-Hang Zhou, Meng-Yu Hao, Wei-Zeng Shao, Armando Marino, Xin-Gai Song, Xing-Wei Jiang   +5 more
doaj   +1 more source

Towards Understanding the Interconnection between Celestial Pole Motion and Earth's Magnetic Field Using Space Geodetic Techniques. [PDF]

Sensors (Basel), 2021
Modiri S, Heinkelmann R, Belda S, Malkin Z, Hoseini M, Korte M, Ferrándiz JM, Schuh H.   +7 more
europepmc   +1 more source

Biological Effects of Magnetic Storms and ELF Magnetic Fields. [PDF]

Biology (Basel), 2023
Sarimov RM, Serov DA, Gudkov SV.
europepmc   +1 more source

A Technique for SAR Significant Wave Height Retrieval Using Azimuthal Cut-Off Wavelength Based on Machine Learning

Remote Sensing
This study introduces a new machine learning-based algorithm for the retrieving significant wave height (SWH) using synthetic aperture radar (SAR) images.
Shaijie Leng, Mengyu Hao, Weizeng Shao, Armando Marino, Xingwei Jiang   +4 more
doaj   +1 more source

Analysis of Onboard Verification Flight Test for the Salinity Satellite Scatterometer. [PDF]

Sensors (Basel), 2023
Liu Y, Wang T, Yun R, Liu P, Lin W, Zhu D, Liu H, Zhang X.   +7 more
europepmc   +1 more source

Sea Surface Wind Speed Retrieval with a Dual-Branch Feature-Fusion Network Using GaoFen-3 Series SAR Data

Remote Sensing
To address the suboptimal radiometric calibration accuracy observed in specific beam codes of the GaoFen-3 (GF-3) series satellite for sea surface wind speed (SSWS) retrieval, this study introduces a calibration constant correction method based on the ...
Xing Li, Xiao-Ming Li, Yongzheng Ren, Ke Wu, Chunbo Li   +4 more
doaj   +1 more source