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Ambiguity Suppression by Azimuth Phase Coding in Multichannel SAR Systems

Bordoni, Federica and Younis, Marwan and Krieger, Gerhard (2011) Ambiguity Suppression by Azimuth Phase Coding in Multichannel SAR Systems. In: Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS). IEEE Geoscience and Remote Sensing Symposium (IGARSS), 2011-07-25 - 2011-07-29, Vancouver, Canada.

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The Azimuth Phase Coding (APC) technique, proposed to suppress range ambiguities in conventional SAR systems, stands out for its low implementation complexity and its effectiveness for point and distributed ambiguities. This paper investigates the possibility of applying the APC to the new, forthcoming generation of multichannel SAR systems, for high resolution and wide swath imaging, based on Digital Beamforming on receive. The extension of APC to multichannel SAR systems is mathematically described. A new metric is defined to quantify the APC performance. A numerical analysis is developed to characterize the influence on the APC behaviors of the main SAR system parameters. Finally, an example of APC performance is provided, by considering two multichannel SAR systems based on a planar and a reflector antenna.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Ambiguity Suppression by Azimuth Phase Coding in Multichannel SAR Systems
AuthorsInstitution or Email of Authors
Bordoni, FedericaUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Date:May 2011
Journal or Publication Title:Proceedings of the IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:No
In ISI Web of Science:No
Keywords:Synthetic Aperture Radar (SAR), Digital Beam-Forming (DBF), Azimuth Phase Coding (APC)
Event Title:IEEE Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Vancouver, Canada
Event Type:international Conference
Event Dates:2011-07-25 - 2011-07-29
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. Federica Bordoni
Deposited On:07 Jul 2011 12:19
Last Modified:06 Dec 2011 15:20

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