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Digital Beam-Forming for Spaceborne Reflector- and Planar-Antenna SAR - A System Performance Comparison

Younis, Marwan and Huber, Sigurd and Patyuchenko, Anton and Bordoni, Federica and Krieger, Gerhard (2009) Digital Beam-Forming for Spaceborne Reflector- and Planar-Antenna SAR - A System Performance Comparison. In: Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS). IEEE. IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2009-07-13 - 2009-07-17, Cape Town, South Africa. ISBN 1 871438 57 8 . ISSN 1055-0143

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The trend in the conception of future spaceborne radar remote sensing is clearly 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 used 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. On the other hand, new antenna architectures, such as reflectors, already implemented in communication satellites, are being considered for SAR applications. The paper compares the system architecture and SAR performance of a planar and a reflector antenna SAR.

Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information:©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:Digital Beam-Forming for Spaceborne Reflector- and Planar-Antenna SAR - A System Performance Comparison
AuthorsInstitution or Email of Authors
Patyuchenko, AntonUNSPECIFIED
Bordoni, FedericaUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Date:13 July 2009
Journal or Publication Title:Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
In ISI Web of Science:No
ISBN:1 871438 57 8
Keywords:Digital Beamforming, Performance, SMART, SAR
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Cape Town, South Africa
Event Type:international Conference
Event Dates:2009-07-13 - 2009-07-17
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 - Vorhaben Entwicklung eines Mini-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Deposited By: Dr.-Ing. Marwan Younis
Deposited On:23 Dec 2009 16:04
Last Modified:23 Dec 2010 16:14

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