Time-variant TEC estimation with fully polarimetric GEO-SAR data
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2017.3297
Abstract: A time-variant total electron content (TEC) estimation method with fully polarimetric geosynchronous synthetic aperture radar (GEO-SAR) data is proposed based on inner aperture Faraday rotation angle estimation and an accurate TEC inversion model. With a… read more here.
Keywords: estimation; geo sar; time; fully polarimetric ... See more keywords
Modeling and Analyzing Impacts of Drifting Anisotropic Ionospheric Irregularities on Inclined Geosynchronous SAR
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2944192
Abstract: The sub-satellite track of geosynchronous synthetic aperture radar (GEO SAR) presents the figure “8” or “O”, which causes the great changes of platform motion direction and the different projection of anisotropic irregularities along the line-of-sight… read more here.
Keywords: geo sar; anisotropic; sar; drifting velocity ... See more keywords
Baseline Optimization for Spatial-Temporal Coupling in Geosynchronous Differential Synthetic Aperture Radar Tomography
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2023.3325584
Abstract: Differential synthetic aperture radar tomography (D-TomoSAR) uses multiple SAR acquisitions at different times to form an elevation-time 2-D synthetic aperture, enabling recovery of the target's 3-D structure and deformation velocity. However, the imaging performance of… read more here.
Keywords: synthetic aperture; baseline; spatial temporal; geo sar ... See more keywords
Drifting Ionospheric Scintillation Simulation for L-Band Geosynchronous SAR
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2023.3330752
Abstract: An L-band geosynchronous synthetic aperture radar (GEO SAR) is susceptible to the ionospheric scintillation induced by ionospheric irregularities due to its lower carrier frequency. In particular, the drifting characteristic of the ionospheric irregularities makes this… read more here.
Keywords: geo sar; drifting ionospheric; scintillation; ionospheric scintillation ... See more keywords
Enhanced BP Algorithm Combined With Semantic Segmentation and Subaperture for Improving Agricultural Scene Image Quality in GEO SAR
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2024.3520119
Abstract: Geosynchronous synthetic aperture radar (GEO SAR) plays a crucial role in various fields, such as crop growth monitoring, irrigation management, terrain and soil analysis, and natural disaster warning. However, GEO SAR images often suffer from… read more here.
Keywords: subaperture; image quality; geo sar; moving targets ... See more keywords
Rapid Surface Large-Change Monitoring by Repeat-Pass GEO SAR Multibaseline Interferometry
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2020.3026326
Abstract: Fast observations of rapid surface large-changes are demanded in disaster evaluations and scientific studies. Digital elevation model (DEM) differencing before and after the events is an effective way to retrieve the changes. Owing to a… read more here.
Keywords: geo sar; repeat pass; surface large;
Three-Dimensional Deformation Retrieval in Geosynchronous SAR by Multiple-Aperture Interferometry Processing: Theory and Performance Analysis
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2017.2721554
Abstract: The 3-D deformation retrieval is significant for the accurate evaluation of geologic disasters (e.g., earthquakes and landslides). Multiple-aperture interferometry (MAI) is an effective method to obtain 3-D deformation, combined with the cross-heading tracks synthetic aperture… read more here.
Keywords: geo sar; deformation retrieval; deformation; sar ... See more keywords
A Fast Cartesian Back-Projection Algorithm Based on Ground Surface Grid for GEO SAR Focusing
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3125797
Abstract: Geosynchronous-Earth-orbit (GEO) synthetic aperture radar (SAR) provides excellent continuous observing capability and large swath. However, the extremely long synthetic aperture time, the curved orbit, and the nonplanar ground surface cause serious spatial variance in the… read more here.
Keywords: ground surface; geo sar; ground; algorithm ... See more keywords
GEO SAR Imaging of Maneuvering Ships Based on Time–frequency Features Extraction
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3166758
Abstract: Geosynchronous synthetic aperture radar (GEO SAR) system has the ability of observing targets for several hours in a large field of view. Complex and irregular rotating motion of the ship on sea in long aperture… read more here.
Keywords: time frequency; time; frequency features; geo sar ... See more keywords
Division and Focusing of Multiple Moving Ship Targets for GEO SAR via MFDFrFT Spectrum Analysis
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2024.3427852
Abstract: Due to the large imaging scene of geosynchronous synthetic aperture radar (GEO SAR), multiple ship targets are more likely to appear in the same imaging scene. When the targets overlap in the range dimension, their… read more here.
Keywords: geo sar; echo signal; mfdfrft; division ... See more keywords
Squint GEO SAR Imaging Based on Nonuniform Fast Fourier Transform and Modified Range-Doppler Azimuth Chirp Scaling
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2024.3506602
Abstract: Geosynchronous synthetic aperture radar (GEO SAR) operating in the squint mode has the advantages of wide coverage and short revisit, which can improve the ability of emergency response and continuous observation compared with broadside mode.… read more here.
Keywords: doppler; squint; geo sar; range ... See more keywords