Modeling of ionospheric scintillation

D Vasylyev, Y Béniguel, W Volker… - Journal of Space …, 2022 - swsc-journal.org
A signal, such as from a GNSS satellite or microwave sounding system, propagating in the
randomly inhomogeneous ionosphere, experiences chaotic modulations of its amplitude …

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 …

[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 …

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 …

[HTML][HTML] 星载SAR 电离层探测研究综述

计一飞, 董臻, 张永胜, 熊超, 毛文飞, 王成 - 雷达学报, 2024 - radars.ac.cn
星载合成孔径雷达(SAR) 受电离层影响会出现回波信号失真, 图像质量恶化,
干涉/极化测量精度下降等问题, 对于工作在L 波段和P 波段的低波段星载SAR …

An ionospheric phase screen projection method of phase gradient autofocus in spaceborne SAR

Y Ji, C Yu, Q Zhang, Z Dong, Y Zhang… - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
The phase scintillation induced by ionospheric irregularities can reduce azimuth
decorrelation and cause defocusing in the low-frequency spaceborne synthetic aperture …

Ionospheric scintillation observation using space-borne synthetic aperture radar data

S Mohanty, G Singh, CS Carrano, S Sripathi - Radio Science, 2018 - ieeexplore.ieee.org
Networks of ground-based global navigation satellite system (GNSS) receivers have been
widely used to monitor scintillation caused by irregularities in the disturbed ionosphere. Due …

Measurement of the Ionospheric Scintillation Parameter From SAR Images of Clutter

DP Belcher, CR Mannix… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Space-based synthetic aperture radar (SAR) can be affected by the ionosphere, particularly
at L-band and below. A technique is described that exploits the reduction in SAR image …