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Analysis of twostep nulling of RF interference and ground clutter with PAMIR

: Witter, M.

Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-; Informationstechnische Gesellschaft -ITG-:
EUSAR 2012, 9th European Conference on Synthetic Aperture Radar. CD-ROM : 23 - 26 April 2012, Nürnberg, Germany
Berlin: VDE-Verlag, 2012
ISBN: 978-3-8007-3404-7
European Conference on Synthetic Aperture Radar (EUSAR) <9, 2012, Nürnberg>
Fraunhofer FHR

This paper presents the use of a two-step nulling (TSN) approach for STAP applied to real data containing intentional RF interference. Although STAP can mitigate both jammer and clutter interference simultaneously it can be of advantage to exploit a priori knowledge to obtain clutter-free data from which a better estimate of the jamming-plus-noise component can be made. This paper presents two state of the art methods for two-step nulling and compares their performance based on simulations and real data.