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TanDEM-X Performance over Sandy Areas

Martone, Michele and Bräutigam, Benjamin and Rizzoli, Paola and Krieger, Gerhard (2014) TanDEM-X Performance over Sandy Areas. In: Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR), pp. 1-4. European Conference on Synthetic Aperture Radar (EUSAR), 2014-06-02 - 2014-06-06, Berlin, Germany.

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The TanDEM-X mission started in 2010 and comprises the two twin satellites TerraSAR-X and TanDEM-X. Its primary objective is to generate a worldwide, consistent, and high-precision digital elevation model (DEM). Two global coverages have been completed so far, and very good performance has been verified for most of the land masses. However, some areas all around the world still exhibit for different reasons unsatisfactory quality of the data, which deserve to be carefully taken into account. The main scope of this paper is to present a detailed performance analysis over sandy desert areas, which have shown to decrease the quality of the TanDEM-X interferometric products. The influence of several acquisition parameters is evaluated on SAR and InSAR performance by means of statistical analyses as well as long-term repeat-pass acquisitions on defined test sites. The presented investigations allowed then to better characterize the scattering mechanisms occurring at X-band over sandy surfaces, and therefore to opportunely plan a dedicated reacquisition of such affected areas with optimized imaging geometry in order to improve the performance of the final TanDEM-X DEM.

Item URL in elib:https://elib.dlr.de/86512/
Document Type:Conference or Workshop Item (Speech)
Title:TanDEM-X Performance over Sandy Areas
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Proceedings of the 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. 1-4
Keywords:Synthetic aperture radar (SAR), SAR interferometry (InSAR), TanDEM-X mission, sandy deserts, SNR decorrelation.
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Berlin, Germany
Event Type:international Conference
Event Dates:2014-06-02 - 2014-06-06
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 - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Martone, Michele
Deposited On:10 Dec 2013 11:03
Last Modified:31 Jul 2019 19:43

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