Correction of geometric distortion in spotlight synthetic aperture radar imagery

Authors
Ye, W Yeo, TS Zhang, CB Lu, YH
Citation
W. Ye et al., Correction of geometric distortion in spotlight synthetic aperture radar imagery, INT J REMOT, 20(5), 1999, pp. 979-992
Citations number
8
Categorie Soggetti
Earth Sciences
Journal title
INTERNATIONAL JOURNAL OF REMOTE SENSING
ISSN journal
01431161 → ACNP
Volume
20
Issue
5
Year of publication
1999
Pages
979 - 992
Database
ISI
SICI code
0143-1161(19990320)20:5<979:COGDIS>2.0.ZU;2-U
Abstract
The polar format algorithm (PFA) is widely used in spotlight synthetic aper ture radar image formation. In PFA, the range curvature effect is the main factor that causes geometric distortion of the image and limits the size of the scene that can be well focused. This paper presents a new algorithm fo r the geometric distortion correction. Analysis and simulation results show that the new algorithm is computationally efficient without image quality degradation.