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An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction

Queiroz de Almeida, Felipe and Younis, Marwan and Krieger, Gerhard and Moreira, Alberto (2017) An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction. In: 2003 Proceedings of the International Conference on Radar, RADAR 2003, pp. 1-6. IET International Conference on Radar Systems (Radar), 2017-10-23 - 2017-10-26, Belfast, Northern Ireland.

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In the context of spaceborne synthetic aperture radar (SAR) for remote sensing, multichannel system architectures coupled with digital beamforming techniques are deemed a necessary technological advancement to fulfil the requirements for near future radar missions. Calibration of such systems is an important topic, since channel imbalances may lead to considerable degradation of performance. This paper analyses the impact of residual errors in a SAR system with multiple channels in azimuth and derives an analytical model for the resulting performance degradation, which may be used in system design as an aid to establish requirements in an error budget analysis.

Item URL in elib:https://elib.dlr.de/113544/
Document Type:Conference or Workshop Item (Speech)
Title:An Analytical Error Model for Spaceborne SAR Multichannel Azimuth Reconstruction
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Queiroz de Almeida, FelipeUNSPECIFIEDhttps://orcid.org/0000-0001-5929-6633UNSPECIFIED
Younis, MarwanUNSPECIFIEDhttps://orcid.org/0000-0002-8563-7371UNSPECIFIED
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285UNSPECIFIED
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653UNSPECIFIED
Journal or Publication Title:2003 Proceedings of the International Conference on Radar, RADAR 2003
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-6
Keywords:High-Resolution Wide-Swath SAR Digital Beamforming (DBF) Azimuth Beamforming Error Modeling
Event Title:IET International Conference on Radar Systems (Radar)
Event Location:Belfast, Northern Ireland
Event Type:international Conference
Event Dates:2017-10-23 - 2017-10-26
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben hochauflösende Fernerkundungsverfahren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Queiroz de Almeida, Felipe
Deposited On:02 Aug 2017 08:19
Last Modified:31 Jul 2019 20:11

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