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- Title
Comparison of two-step and one-step motion compensation algorithms for airborne synthetic aperture radar.
- Authors
Mingdong Yang; Daiyin Zhu; Wei Song
- Abstract
Airborne synthetic aperture radar (SAR) image quality considerably degrades because of motion errors. High-precision motion compensation (MOCO) is necessary in an advanced SAR data processing scheme. In the case of ultra-high resolution, the conventional two-step MOCO algorithm introduces significant range cell migration correction (RCMC) error which causes a loss to resolution. Another method named one-step MOCO can avoid RCMC error, improving image quality obviously. Meanwhile, one-step MOCO can well integrate with the standard Omega-K algorithm succinctly. A comparison of the two MOCO algorithms is demonstrated by analysing the RCMC error. Point targets simulation has validated the proposed research.
- Subjects
SYNTHETIC aperture radar; IMAGE quality analysis; MOTION compensation (Signal processing); QUALITY control of information storage &; retrieval systems; ALGORITHMIC randomness
- Publication
Electronics Letters (Wiley-Blackwell), 2015, Vol 51, Issue 14, p1108
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2015.1350