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Chirp scaling algorithm using the least-squares approximation

 
: Ribalta, A.

Informationstechnische Gesellschaft -ITG-; Verband Deutscher Elektrotechniker e.V. -VDE-, Berlin:
EUSAR 2014, 10th European Conference on Synthetic Aperture Radar. Proceedings : 3 - 5 June 2014, Berlin, Germany
Berlin: VDE-Verlag, 2014
ISBN: 978-3-8007-3607-2
ISBN: 3-8007-3607-1
S.178-180
European Conference on Synthetic Aperture Radar (EUSAR) <10, 2014, Berlin>
Englisch
Konferenzbeitrag
Fraunhofer FHR ()

Abstract
The standard chirp scaling algorithm requires a quadratic approximation to the phase function of the SAR signal in the frequency domain. We propose to find this approximation using the method of least squares. First simulation results show an improvement in the image quality when compared with the usual Taylor approximation.

: http://publica.fraunhofer.de/dokumente/N-345300.html