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An approach for the suppression of ambiguities in ISAR images caused by irregular sampling

Kempf, T. and Peichl, M. and Dill, S. and Süß, H. (2002) An approach for the suppression of ambiguities in ISAR images caused by irregular sampling. In: Ger,am Radar Symposium GRS 2002, Proceedings, pp. 159-165. GRS, Bonn, 3.-5.09.2002.

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Abstract

This paper addressed the effects of irregular azimuth sampling. Consequently the conditions for unambiguous imaging are violated, which is shown for high resolution X-band ISAR measurements. On the background for automatic recognition of relocatable military targets, a filtering method is presented which suppresses the speckle noise and the ambiguities caused by the irregular sampling. The method extracts the most robust scattering centers of the target in depencence of the radar´s illumination direction. This is achieved by an investigation of the signal phases to perform a coherence analysis.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2002,
Title:An approach for the suppression of ambiguities in ISAR images caused by irregular sampling
Authors:
AuthorsInstitution or Email of Authors
Kempf, T.UNSPECIFIED
Peichl, M.UNSPECIFIED
Dill, S.UNSPECIFIED
Süß, H.UNSPECIFIED
Date:2002
Journal or Publication Title:Ger,am Radar Symposium GRS 2002, Proceedings
Page Range:pp. 159-165
Editors:
EditorsEmail
Deutsche Gesellschaft für Ortung und Navigation e.V. (DGON), UNSPECIFIED
Status:Published
Keywords:embiguity suppression, irregular sampling, ISAR, High Resolution Radar Imaging
Event Title:GRS, Bonn, 3.-5.09.2002
Organizer:German Radar Symposium
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 19:43

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