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First Characterization and Performance Evaluation of Bistatic TanDEM-X Experimental Products

Bueso Bello, Jose Luis and Martone, Michele and Prats, Pau and Bräutigam, Benjamin (2016) First Characterization and Performance Evaluation of Bistatic TanDEM-X Experimental Products. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9 (3), pp. 1058-1071. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/JSTARS.2015.2430454 ISSN 1939-1404

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Abstract

TanDEM-X is an innovative bistatic and interferometric mission comprising the two twin synthetic aperture radar(SAR) satellites TerraSAR-X and TanDEM-X, which fly in a configurable close formation with the main goal to generate a global, high-accurate, and homogeneous digital elevation model (DEM) of the Earth’s surface. The DEM is acquired in bistatic stripmap single polarization mode. On top of that, due to the flexibility offered by operating both satellites in different interferometric and imaging constellations, combinations of several experimental modes are possible. A dedicated science phase of the mission started in September 2014 and opened the full exploitation of such experimental modes. These unique data will support a variety of scientific remote sensing applications and will demonstrate new and innovative SAR techniques. In this paper, the expected SAR and interferometric performance of the operationally processed experimental modes available during the bistatic global DEM acquisition phase is modelled and characterized with in-orbit data. Key parameters for the determination of the quality of a SAR product, such as image resolution or noise equivalent sigma zero, or for the interferometricperformance estimation, such as coherence or relative height error, are analyzed. Finally, possibilities to increase the quality of the generated digital elevation models are addressed.

Item URL in elib:https://elib.dlr.de/96450/
Document Type:Article
Title:First Characterization and Performance Evaluation of Bistatic TanDEM-X Experimental Products
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bueso Bello, Jose LuisUNSPECIFIEDUNSPECIFIED
Martone, MicheleUNSPECIFIEDUNSPECIFIED
Prats, PauUNSPECIFIEDUNSPECIFIED
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Date:March 2016
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:9
DOI :10.1109/JSTARS.2015.2430454
Page Range:pp. 1058-1071
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:1939-1404
Status:Published
Keywords:Bistatic synthetic aperture radar (SAR), Digital elevation model (DEM), SAR, SAR Interferometry.
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 > SAR Technology
Deposited By: Bueso Bello, Jose Luis
Deposited On:28 May 2015 12:57
Last Modified:08 Mar 2018 18:31

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