Transionospheric Synthetic Aperture Radar Observation: A comprehensive review

Y Ji, Z Dong, Y Zhang, C Wang… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
The ionosphere is the Earth's upper atmosphere with sufficiently charged particles that
influence the electromagnetic wave propagation, thereby impeding spaceborne synthetic …

Drifting ionospheric scintillation simulation for L-band geosynchronous SAR

F Tang, Y Ji, Y Zhang, Z Dong, Z Wang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
An L-band geosynchronous synthetic aperture radar (GEO SAR) is susceptible to the
ionospheric scintillation induced by ionospheric irregularities due to its lower carrier …

Fusion of target and shadow regions for improved SAR ATR

JH Choi, MJ Lee, NH Jeong, G Lee… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) systems, which operate under a slant-viewing geometry,
inevitably entail shadow regions in the resulting radar image. Such shadow profiles contain …

Performance analysis of L-band geosynchronous SAR imaging in the presence of ionospheric scintillation

C Hu, Y Li, X Dong, R Wang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
An L-band geosynchronous synthetic aperture radar (GEO SAR) will be inevitably affected
by ionosphere scintillation because of its low carrier frequency. Meanwhile, compared with …

[HTML][HTML] Equatorial Ionospheric Scintillation Measurement in Advanced Land Observing Satellite (ALOS) Phased Array-Type L-Band Synthetic Aperture Radar …

Y Ji, Z Dong, Y Zhang, F Tang, W Mao, H Zhao, Z Xu… - Engineering, 2024 - Elsevier
Amplitude stripes imposed by ionospheric scintillation have been frequently observed in
many of the equatorial nighttime acquisitions of the Advanced Land Observing Satellite …

L-band geosynchronous SAR imaging degradations imposed by ionospheric irregularities

Y Ji, Q Zhang, Y Zhang, Z Dong - Science China Information Sciences, 2017 - Springer
It is well known that the ionospheric scintillation caused by small-scale ionospheric
irregularities is a major distortion source for low-frequency spaceborne synthetic aperture …

Measuring ionospheric scintillation parameters from SAR images using phase gradient autofocus: A case study

Y Ji, Z Dong, Y Zhang, Q Zhang, L Yu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The spaceborne low-frequency (L-band and below) synthetic aperture radar (SAR) is very
susceptible to ionospheric scintillation. The scintillation phase error (SPE) is a vital factor …

An autofocus approach with applications to ionospheric scintillation compensation for spaceborne SAR images

Y Ji, Z Dong, Y Zhang, Q Zhang - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Spaceborne synthetic aperture radar (SAR) systems, operating at L-band or lower, are very
susceptible to ionospheric scintillation. The scintillation phase error (SPE) can bring about …

Joint amplitude-phase compensation for ionospheric scintillation in GEO SAR imaging

R Wang, C Hu, Y Li, SE Hobbs, W Tian… - … on Geoscience and …, 2017 - ieeexplore.ieee.org
The ionospheric scintillation induced by local ionospheric plasma anomalies could lead to
significant degradation for geosynchronous earth orbit synthetic aperture radar (SAR) …

A new analytical model to study the ionospheric effects on VHF/UHF wideband SAR imaging

C Wang, L Chen, L Liu - IEEE Transactions on Geoscience and …, 2017 - ieeexplore.ieee.org
With a view to detecting foliage-obscured/ground-obscured targets on a global scale, low
frequency (ie, very high frequency (VHF)/ultrahigh frequency (UHF) band) and wide …