Estimation and Compensation of the Ionosphere Effect in SAR Imaging

S Xingyi, C Lei, T Shangtan, C Quan… - 2023 4th China …, 2023 - ieeexplore.ieee.org
In the aspect of the transmitting error compensation in SAR imaging, the research of the
ionospheric effect on the radar echo is developed. As the random and dispersive nature of …

Ground observation and correction of P-band radar imaging ionospheric effects

Z Ning, Z Fang, W Zhen, X Meng-dao, G Jia-long… - 雷达学报, 2014 - radars.ac.cn
For high resolution space-borne P-band SAR system, ionospheric effects could cause
serious phase errors. These errors are causally related to the radar frequency and the TEC …

Ionosphere correction algorithm for spaceborne SAR imaging

L Yang, M Xing, G Sun - Journal of Systems Engineering and …, 2016 - ieeexplore.ieee.org
For spaceborne synthetic aperture radar (SAR) imaging, the dispersive ionosphere has
significant effects on the propagation of the low frequency (especially P-band) radar signal …

Ionospheric effects on SAR imaging: A numerical study

J Liu, Y Kuga, A Ishimaru, X Pi… - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
There has been an increasing interest in the use of spaceborne very high frequency ultra
high frequency (VHF-UHF) synthetic aperture radar (SAR) for measuring forest biomass and …

Correction of ionospheric dispersion for spaceborne SAR based on dual-antenna scheme

X Gao, W Guo, X Li, B Bai, H Sun - IET International Radar …, 2023 - ieeexplore.ieee.org
The propagation of spaceborne synthetic aperture radar (SAR) signal is affected by the
ionosphere, which will lead to the degradation of the imaging quality, especially in the …

Measurement and correction of the ionospheric TEC in P-band ISAR imaging

F Zhou, MD Xing, XG Xia, JJ Zhang… - IEEE Geoscience and …, 2015 - ieeexplore.ieee.org
It is commonly known that the ionosphere has significant effects on a low-frequency
(particularly P-band) radar signal. It causes the degradation of the image quality in synthetic …

Simulation of ionospheric effects on SAR imaging with noise at P-band

C Wang, M Zhang, ZW Xu, C Chen - ISAPE2012, 2012 - ieeexplore.ieee.org
In the past, most of the spaceborne synthetic aperture radars (SAR) operating at C-band or
higher frequencies, and the ionospheric effects are negligible in these bands. Recently, the …

Potential effects of the ionosphere on space-based SAR imaging

ZW Xu, J Wu, ZS Wu - IEEE Transactions on Antennas and …, 2008 - ieeexplore.ieee.org
There has been a considerable interest in the use of lower frequency (VHF/UHF) space-
based synthetic aperture radar (SAR) for realizing the foliage and ground penetration. The …

Study about ionospheric effects on medium-earth-orbit SAR imaging

L Li, J Hong, F Ming - 2014 IEEE Radar Conference, 2014 - ieeexplore.ieee.org
The Medium-Earth-Orbit Synthetic Aperture Radar (MEOSAR) is one of the most potential
next-generation spaceborne SARs for its excellent performance. However, ionospheric …

Research on background ionospheric impacts imposed by spatio-temporal variations on spaceborne synthetic aperture radar azimuth imaging

Y ZHANG, Y JI, Z DONG - 电子与信息学报, 2021 - jeit.ac.cn
Abstract In spaceborne Synthetic Aperture Radar (SAR) imaging, the coherence of azimuth
signals might be degraded by spatio-temporal variations of the background ionosphere …