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

open access: yesAll 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   +3 more
doaj   +2 more sources

Design and Implementation of a Novel Polarimetric Active Radar Calibrator for Gaofen-3 SAR. [PDF]

open access: yesSensors (Basel), 2018
The Chinese first fully polarimetric space-borne synthetic aperture radar (SAR)-Gaofen-3 (GF-3) was launched in August 2016, which operates at the C-band and the resolution can reach 1 m. Polarimetric SAR calibration is a procedure that corrects the polarization distortion of a measured scattering matrix by referring to the scattering matrix of a known
Li L, Zhu Y, Hong J, Ming F, Wang Y.
europepmc   +5 more sources

Retrieval of Sea Surface Wind Speeds from Gaofen-3 Full Polarimetric Data

open access: yesRemote Sensing, 2019
In this paper, the sea surface wind speed (SSWS) retrieval from Gaofen-3 (GF-3) quad-polarization stripmap (QPS) data in vertical-vertical (VV), horizontal-horizontal (HH), and vertical-horizontal (VH) polarizations is investigated in detail based on ...
Tianyu Zhang   +4 more
doaj   +2 more sources

Evaluation of Chinese Quad-polarization Gaofen-3 SAR Wave Mode Data for Significant Wave Height Retrieval [PDF]

open access: yes, 2020
Our work describes the accuracy of Chinese quad-polarization Gaofen-3 (GF-3) synthetic aperture radar (SAR) wave mode data for wave retrieval and provides guidance for the operational applications of GF-3 SAR.
Yuan, Xinzhe   +8 more
core   +2 more sources

Multi-aspect SAR-GMTI and Experimental Research on Gaofen-3 SAR Modes

open access: yesLeida xuebao, 2020
Multi-aspect SAR is a new SAR mode that has two advantages, i.e., long-term observations and a large synthetic-aperture azimuth angle. Previous studies have reported that these unique advantages enable even single-channel systems to have a relatively ...
SHEN Wenjie   +4 more
doaj   +1 more source

A Benchmark High-Resolution GaoFen-3 SAR Dataset for Building Semantic Segmentation [PDF]

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Deep learning is increasingly popular in remote sensing communities and already successful in land cover classification and semantic segmentation. However, most studies are limited to the utilization of optical datasets. Despite few attempts applied to synthetic aperture radar (SAR) using deep learning, the huge potential, especially for the very high ...
Junshi Xia   +5 more
openaire   +2 more sources

Verification of Complex Image Based Sparse SAR Imaging Method on GaoFen-3 Dataset

open access: yesLeida xuebao, 2020
Sparse signal processing-based Synthetic Aperture Radar (SAR) imaging, also known as sparse SAR imaging, is the main research direction of sparse microwave imaging theory.
BI Hui   +3 more
doaj   +1 more source

Analysis of Wave Breaking on Gaofen-3 and TerraSAR-X SAR Image and Its Effect on Wave Retrieval

open access: yesRemote Sensing, 2023
The main purpose of our work is to investigate the performance of wave breaking and its effect on wave retrieval in data acquired from the Chinese Gaofen-3 (GF-3) synthetic aperture radar (SAR) at C-band and the German TerraSAR-X (TS-X) at X-band.
Ruozhu Zhong   +4 more
doaj   +1 more source

Geometric Evaluation of Gaofen-7 Stereo Data [PDF]

open access: yes, 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.
d'Angelo, Pablo, Tian, Jiaojiao
core   +1 more source

Polarimetric Calibration Scheme Combining Internal and External Calibrations, and Experiment for Gaofen-3 [PDF]

open access: yesIEEE Access, 2020
The parameters for polarization distortion of spaceborne polarimetric synthetic aperture radar (SAR) have range-dependence (or look-angle-dependence), which requires a polarimetric calibration to be performed at any look-angle. It is a huge endeavor to rely solely on ground experiments to obtain a polarimetric calibration at all look-angles.
WeiBin Liang   +5 more
openaire   +2 more sources

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