Title :
Evaluation of a geometrical autofocus algorithm within the framework of Fast Factorized Back-Projection
Author :
Hellsten, Hans ; Torgrimsson, Jan ; Dammert, Patrik ; Ulander, Lars M. H. ; Ahlander, Anders
Author_Institution :
SAAB Electronic Defence Systems, Gothenburg, Sweden
Abstract :
This paper introduces a new autofocus algorithm, specifically suitable for UWB SAR systems. The strategy is integrated in FFBP and relies on varying track parameters stage by stage to obtain a sharp image. Focus measures are provided by an object function (intensity correlation). The algorithm has been tried out successfully on a synthetic data set.
Keywords :
Autofocus; Back-Projection; SAR; UWB;
Conference_Titel :
Radar Systems (Radar 2012), IET International Conference on
Conference_Location :
Glasgow, UK
Electronic_ISBN :
978-1-84919-676
DOI :
10.1049/cp.2012.1606
