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Preliminary investigations toward multi-frame DVB-S based passive ISAR

: Santi, F.; Pisciottano, I.; Cristallini, D.; Pastina, D.

Verband Deutscher Elektrotechniker e.V. -VDE-, Berlin; Informationstechnische Gesellschaft -ITG-:
EUSAR 2021, 13th European Conference on Synthetic Aperture Radar : 29 March - 1 April 2021, Online Event; CD-ROM
Berlin: VDE-Verlag, 2021
ISBN: 978-3-8007-5457-1
ISBN: 3-8007-5457-6
European Conference on Synthetic Aperture Radar (EUSAR) <13, 2021, Online>
Fraunhofer FHR ()

This paper investigates the possibility to combine passive ISAR imaging of a maneuvering ship over different frames using digital video broadcasting-satellite (DVB-S) as illuminators of opportunity. First, the image point spread function (PSF) in the target fixed reference system is analytically derived, allowing to characterize the resolution properties in a domain independent on the particular frame. Then, a few preliminary experimental results are provided considering a turning ferry, showing that the combination of multiple frame images can increase the amount of information enhancing the ship classification capability.