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A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems

Huber, Sigurd and Younis, Marwan and Patyuchenko, Anton and Krieger, Gerhard (2009) A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems. In: Proceedings of the European Microwave Week (EuMW). European Microwave Week (EuMW), 2009-09-28 - 2009-10-02, Rom, Italien.

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The trend in the conception of future spaceborne radar remote sensing is towards the use of digital beam-forming techniques. These systems will comprise multiple digital channels, where the analog-to-digital converter is moved closer to the antenna. This dispenses the need for analog beam steering and by this the use of transmit/receive modules for phase and amplitude control. Digital beam-forming will enable Synthetic Aperture Radar (SAR) which overcomes the coverage and resolution limitations applicable to state-of-the-art systems. Moreover, new antenna architectures, such as reflectors, already implemented in communication satellites, are being reconsidered for SAR applications. This paper introduces a new digital beam-forming radar concept based on the combination of a reflector with a digital feed array. For a system example the SAR performance is estimated. Finally a novel digital signal processing approach, exploiting the signal properties of the transmitted waveform, is presented.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:A Novel Digital Beam-Forming Concept for Spaceborne Reflector SAR Systems
AuthorsInstitution or Email of Authors
Huber, Sigurdsigurd.huber@dlr.de
Younis, Marwanmarwan.younis@dlr.de
Patyuchenko, Antonanton.patyuchenkodlr.de
Krieger, Gerhardgerhard.krieger@dlr.de
Journal or Publication Title:Proceedings of the European Microwave Week (EuMW)
Refereed publication:No
In ISI Web of Science:No
Keywords:Digital Beam Forming, Reflector, SAR
Event Title:European Microwave Week (EuMW)
Event Location:Rom, Italien
Event Type:international Conference
Event Dates:2009-09-28 - 2009-10-02
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):W - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Sigurd Huber
Deposited On:23 Dec 2009 18:44
Last Modified:08 Feb 2010 10:53

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