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Addressing the Terrain Topography in Distributed SAR Imaging

Kraus, Thomas and Krieger, Gerhard and Moreira, Alberto and Bachmann, Markus (2019) Addressing the Terrain Topography in Distributed SAR Imaging. In: 2003 Proceedings of the International Conference on Radar, RADAR 2003. IET International Conference on Radar Systems (Radar), 2019-09-23 - 2019-09-27, Toulon, France.

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Abstract

Distributed multichannel synthetic aperture radar (SAR) imaging is a promising concept for future Earth observation missions. The multichannel concept can mitigate the pulse repetition frequency (PRF) or minimum SAR antenna area constraints inherent to single-channel SAR systems. Thus high azimuth resolution can be maintained, while acquiring wide swathes. This enables global coverage Earth observation with high spatial and temporal resolution. An important step during the multichannel processing for distributed SAR systems is the compensation of the topographic phase. This phase is the result of non-zero cross-track baselines between the antenna phase centers in a constellation or swarm of satellites. The paper in hand investigates different approaches to consider the topography during SAR processing.

Item URL in elib:https://elib.dlr.de/129031/
Document Type:Conference or Workshop Item (Speech)
Title:Addressing the Terrain Topography in Distributed SAR Imaging
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kraus, ThomasT.Kraus (at) dlr.dehttps://orcid.org/0000-0002-9486-7371
Krieger, GerhardGerhard.Krieger (at) dlr.dehttps://orcid.org/0000-0002-4548-0285
Moreira, AlbertoAlberto.Moreira (at) dlr.dehttps://orcid.org/0000-0002-3436-9653
Bachmann, MarkusMarkus.Bachmann (at) dlr.dehttps://orcid.org/0000-0002-6028-4303
Date:24 September 2019
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
Status:Published
Keywords:multistatic SAR, multichannel SAR, topography consideration
Event Title:IET International Conference on Radar Systems (Radar)
Event Location:Toulon, France
Event Type:international Conference
Event Dates:2019-09-23 - 2019-09-27
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:11 Sep 2019 08:06
Last Modified:15 Jan 2020 09:54

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