… of elevation influence between GEO SAR and LEO SAR is first analyzed, and the reason
why elevation space variation is not necessary to be considered in LEO SAR is explained. Then…

… Doppler history characteristic of GEO-SAR is analyzed. According to the high order
polynomial characteristic and strong space-variant characteristic of Doppler history, GEOSAR BP …

… GEO SAR and Low Earth Orbit SAR (LEO SAR). In this paper several special issues of GEO
SAR … is space-variant in range direction. When imaging scene is wider or resolution is finer …

… space-variant CS algorithm (SV-CSA) to focus the GEO-SAR … azimuth and range variant or
2-D space variant. Because the … a range cell are azimuth variant, the uniform RCM correction …

… time of the GEO SAR. Furthermore, the azimuth signal-to-noise ratio gain with long synthetic
aperture time is analyzed. Moreover, the 2-D space-variant motion error introduced by the …

… space-variant CS algorithm (SV-CSA) to focus the GEO-SAR … - and range- variant, or 2-D
space-variant. Because the slant … a range cell are azimuth-variant, the uniform RCM correction …

… parameters and the corresponding algorithms of broadside mode are not sufficiently accurate
for high squint GEO SAR imaging; a more accurate 2-D space-variant model is needed. …

… aperture radar (GEO SAR), its … variation error is caused in the GEO SAR imaging. In this
paper, we focus on the compensation of the elevation space-variant error in the fast variant part …

… (RCM) in the GEO SAR configuration is space variant in both … developed for LEO SAR are
inadequate for GEO. In this letter, … the complicated coupling in GEO SAR. From the derivation, …

… ionospheric scintillation on GEO SAR imaging is discussed initially. First, space-variance
problem … Bao, “A 2-D space-variant chirp scaling algorithm based on the RCM equalization and …