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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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Abstract

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
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Queiroz de Almeida, FelipeUNSPECIFIEDhttps://orcid.org/0000-0001-5929-6633
Younis, MarwanUNSPECIFIEDhttps://orcid.org/0000-0002-8563-7371
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653
Date:2017
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 SCOPUS:Yes
In ISI Web of Science:No
Page Range:pp. 1-6
Status:Published
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
Organizer:IET
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 hochauflösende Fernerkundungsverfahren
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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