NDLI: Restriction Analysis of SAR Azimuth Resolution Based on Cubic Phase Error

Content Provider	IEEE Xplore Digital Library
Author	Guoqi Hu Jiabin Xiang Jia Xu
Copyright Year	2007
Description	Author affiliation: Wuhan Radar Acad., Wuhan (Guoqi Hu; Jiabin Xiang; Jia Xu)
Abstract	Based on quadratic Taylor series approximation, the restriction on SAR azimuth resolution owing to cubic phase error is deeply analyzed in this paper. To avoid the shortcoming of the non-orthogonality of Taylor series expansion adopted by the traditional analysis method, a new analysis method is proposed based on the Legendre orthogonal polynomial expansion in this paper. Accordingly, the restriction on azimuth resolution is deduced via closed expressions based on SAR systematic parameters. Finally, by using the simulation results of airborne and spaceborne SAR, it is shown that the proposed analysis method is effective and applicable in SAR systematic optimization and design.
Starting Page	834
Ending Page	839
File Size	1268522
Page Count	6
File Format	PDF
ISBN	1424402832
ISSN	10975659
DOI	10.1109/RADAR.2007.374328
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-04-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Azimuth Taylor series Synthetic aperture radar High-resolution imaging Spaceborne radar Design optimization Antenna theory Image resolution Approximation algorithms Error analysis
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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