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Topography Correction for Distributed SAR Imaging: A Case Study for TerraSAR-X and TanDEM-X

Kraus, Thomas and Bachmann, Markus and Krieger, Gerhard (2018) Topography Correction for Distributed SAR Imaging: A Case Study for TerraSAR-X and TanDEM-X. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR, pp. 507-511. European Conference on Synthetic Aperture Radar (EUSAR), 2018-06-05 - 2018-06-07, Aachen, Germany. ISBN 978-3-8007-4636-1 ISSN 2197-4403

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Abstract

Multichannel synthetic aperture radar (SAR) image formation is a promising technique to mitigate the pulse repetition frequency (PRF) constraints inherent to single-channel SAR systems. The multichannel approach enables the acquisition of wide swathes while maintaining a high azimuth resolution. An important step during the multichannel processing for distributed SAR systems is the correction of the topographic phase. This phase is introduced by non-zero cross-track baselines between the antenna phase centers in a constellation or swarm of satellites. The paper in hand describes the processing approach which was exemplarily used for a multistatic experiment conducted with TerraSAR-X and TanDEM-X. Challenges with the correction of the topographic phase are highlighted and the impact of the cross-track baseline is discussed.

Item URL in elib:https://elib.dlr.de/119696/
Document Type:Conference or Workshop Item (Speech)
Title:Topography Correction for Distributed SAR Imaging: A Case Study for TerraSAR-X and TanDEM-X
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kraus, ThomasT.Kraus (at) dlr.dehttps://orcid.org/0000-0002-9486-7371
Bachmann, MarkusMarkus.Bachmann (at) dlr.dehttps://orcid.org/0000-0002-6028-4303
Krieger, GerhardGerhard.Krieger (at) dlr.dehttps://orcid.org/0000-0002-4548-0285
Date:6 June 2018
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Page Range:pp. 507-511
ISSN:2197-4403
ISBN:978-3-8007-4636-1
Status:Published
Keywords:Multistatic SAR, Multichannel SAR, TerraSAR-X, TanDEM-X, Topography
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Aachen, Germany
Event Type:international Conference
Event Dates:2018-06-05 - 2018-06-07
Organizer:VDE
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 - Projekt TanDEM-X
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Microwaves and Radar Institute > Radar Concepts
Deposited By: Kraus, Thomas
Deposited On:23 Apr 2018 09:12
Last Modified:12 Oct 2018 10:05

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