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A Reflector Based Digital Beamforming Demonstrator

Huber, Sigurd and Rommel, Tobias and Patyuchenko, Anton and Laskowski, Piotr (2014) A Reflector Based Digital Beamforming Demonstrator. In: Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR), pp. 213-216. VDE VERLAG GMBH, Berlin, Offenbach, Germany. European Conference on Synthetic Aperture Radar (EUSAR), 2014-06-03 - 2014-06-05, Berlin, Germany. ISBN 978-3-8007-3607-2 ISSN 2197-4403

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In recent years a rapid development in spaceborne SAR technology can be observed. This development is driven by a wide variety of applications like the generation of highly accurate digital elevation models, the measurement of Earth surface deformation and others, with simultaneously high spatial and temporal resolution. Especially the demand of high resolution SAR imagery challenges engineers to use available technology to full capacity. An antenna concept which finds more and more promotion in the SAR community are array fed unfoldable mesh reflectors. This concept is supplemented by a trend towards digital radars, where the signal is brought to the discrete domain almost immediately after reception. This allows for new powerful SAR modes, exceeding present-day SAR overall capabilities in terms of sensitivity, resolution and swath width by two orders of magnitude. Needless to say that such innovative SAR sensors require a thorough investigation by means of dedicated concept studies. This paper presents first digital beamforming results with a reflector based multi-channel radar demonstrator. Emphasis is laid on the verification of selected beamforming techniques, which help to show the principal feasibility of digital multi-channel SAR systems.

Item URL in elib:https://elib.dlr.de/86513/
Document Type:Conference or Workshop Item (Speech)
Title:A Reflector Based Digital Beamforming Demonstrator
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 213-216
Publisher:VDE VERLAG GMBH, Berlin, Offenbach, Germany
Keywords:SAR, DBF, reflector
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Berlin, Germany
Event Type:international Conference
Event Dates:2014-06-03 - 2014-06-05
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Tandem-L Vorstudien
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Huber, Sigurd
Deposited On:10 Dec 2013 10:29
Last Modified:29 Jan 2019 15:00

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