Ionosphere correction algorithm for spaceborne SAR imaging

L Yang, M Xing, G Sun - Journal of Systems Engineering and …, 2016 -
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 …

Estimation and Compensation of the Ionosphere Effect in SAR Imaging

S Xingyi, C Lei, T Shangtan, C Quan… - 2023 4th China …, 2023 -
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 …

Effects of anisotropic ionospheric irregularities on space-borne SAR imaging

C Wang, M Zhang, ZW Xu, C Chen… - IEEE Transactions on …, 2014 -
This paper discusses the degradation of space-borne synthetic aperture radar (SAR)
imaging due to anisotropic ionospheric irregularities. In the case of the oblique incidence …

Study on ionospheric effects induced by spatio-temporal variability on medium-earth-orbit SAR imaging quality

L Li, J Hong, F Ming, JW Hu - 电子与信息学报, 2014 -
Abstract The Medium-Earth-Orbit SAR (MEOSAR) is one of the potential next-generation
spaceborne SARs. Ionospheric effects analysis is one of the critical techniques for the …

Study about ionospheric effects on spaceborne SAR azimuth imaging

H Zheng, LL Li, F Li - 电子与信息学报, 2008 -
In this paper, the effect of some factors such as the size of real antenna, different ionospheric
spectra and the size of ionospheric irregularities on the azimuth resolution of Synthetic …

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

C Wang, M Zhang, ZW Xu, C Chen - ISAPE2012, 2012 -
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 …

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

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

Ionosphere estimation and correction for geosynchronous SAR based on point target deviation between range sub-images

H Lijia, D Chibiao, Q Xiaolan… - 2016 IEEE 13th …, 2016 -
Ionosphere is an important factor in high-resolution spaceborne synthetic aperture radar
(SAR) and geosynchronous (GEO) SAR. An approach based on point target deviation …

An approach for ionospheric effects correction on spaceborne SAR calibration based on active radar calibrator

L Li, J Hong, F Ming, WB Liang - 电子与信息学报, 2012 -
For low frequency spaceborne Synthetic Aperture Radar (SAR) systems, the ionosphere will
have a significant effect on SAR calibration. In this paper, an approach for ionospheric …

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 -
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 …