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Demonstration of the Applicability of 2-Look Burst Modes in Non-Stationary Scenarios with TerraSAR-X

Prats-Iraola, Pau and Yague-Martinez, Nestor and Wollstadt, Steffen and Kraus, Thomas and Scheiber, Rolf (2016) Demonstration of the Applicability of 2-Look Burst Modes in Non-Stationary Scenarios with TerraSAR-X. In: Proceedings of European Conference on Synthetic Aperture Radar (EUSAR), pp. 1-6. VDE Verlag GmbH. European Conference on Synthetic Aperture Radar (EUSAR), 2016-06-06 - 2016-06-09, Hamburg, Germany.

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Burst-mode interferograms result in phase jumps between bursts in the presence of azimuthal motion. Such jumps occur due to the sudden change in the line-of-sight (LOS) vector (or, equivalently, the Doppler centroid) between consecutive bursts as a consequence of the burst mode operation. While the phase jumps might look like a nuisance, they are indeed the result of a legitimate measurement, namely, the azimuthal motion projected into the LOS vector. The phase jumps might complicate the phase unwrapping process and the exploitation and interpretation of the differential phase. While it is not always possible to handle the phase jumps with 1-look data, the use of 2-look acquisitions can considerably help in the proper decoupling of the range and azimuthal components of the motion. This paper presents the rationale to exploit 2-look data for that purpose. Data acquired with TerraSAR-X over the Petermann glacier in 2-look TOPS and ScanSAR modes are used to demonstrate the applicability of the approach, which is very useful in non-stationary scenes like glaciers or earthquakes.

Item URL in elib:https://elib.dlr.de/104210/
Document Type:Conference or Workshop Item (Speech)
Title:Demonstration of the Applicability of 2-Look Burst Modes in Non-Stationary Scenarios with TerraSAR-X
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Kraus, ThomasUNSPECIFIEDhttps://orcid.org/0000-0002-9486-7371UNSPECIFIED
Date:June 2016
Journal or Publication Title:Proceedings of European Conference on Synthetic Aperture Radar (EUSAR)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 1-6
Publisher:VDE Verlag GmbH
Keywords:Synthetic Aperture Radar, burst modes, interferometry, 2-looks TOPS
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:2016-06-06 - 2016-06-09
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 - Aircraft SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > SAR Technology
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Prats, Dr. Pau
Deposited On:03 May 2016 12:59
Last Modified:31 Jul 2019 20:01

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