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Performance Analysis of TanDEM-X Quad Polarization Products in Pursuit Monostatic Mode

Bueso Bello, Jose Luis and Martone, Michele and Prats, Pau and Gonzalez, Carolina and Kraus, Thomas and Reimann, Jens and Jäger, Marc and Bräutigam, Benjamin and Rizzoli, Paola and Zink, Manfred (2017) Performance Analysis of TanDEM-X Quad Polarization Products in Pursuit Monostatic Mode. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10 (5), pp. 1853-1869. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/JSTARS.2017.2663323 ISSN 1939-1404

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Abstract

Since 2010 the two twin synthetic aperture radar (SAR) satellites TerraSAR-X and TanDEM-X have been acquiring high-resolution images to generate a global Earth’s digital elevation model (DEM). Both satellites have been flying in a controlled close orbit formation, acquiring data in the nominal bistatic stripmap single polarization mode. Once the acquisition of the data set for the generation of the DEM has been completed, the flexibility offered by both SAR instruments in terms of interferometric, imaging, and polarization modes, has been further exploited to demonstrate the different capabilities of the TanDEM-X experimental modes. By activating the dual-receive antenna (DRA) mode full polarimetric data can be acquired. For the first time it has been possible to systematically command quad polarization acquisitions in a dedicated TanDEM-X mission science phase, started in October 2014. In this paper, we present a first performance analysis and quality assessment of such quad polarization products. The SAR image resolution and the noise equivalent sigma zero have been evaluated to show the quality of the focused SAR products. The influence of different instrument parameters on the SAR and interferometric performance, such as chirp bandwidth, pulse repetition frequency, or block adaptive quantization, have been investigated as well. For the evaluation of the interferometric performance, key parameters such as coherence and interferometric phase error have been analyzed. In this paper the obtained results are presented and recommendations are given for the optimization in the commanding of TanDEM-X quad polarization acquisitions.

Item URL in elib:https://elib.dlr.de/111209/
Document Type:Article
Title:Performance Analysis of TanDEM-X Quad Polarization Products in Pursuit Monostatic Mode
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Bueso Bello, Jose LuisUNSPECIFIEDhttps://orcid.org/0000-0003-3464-2186
Martone, MicheleUNSPECIFIEDhttps://orcid.org/0000-0002-4601-6599
Prats, PauUNSPECIFIEDhttps://orcid.org/0000-0002-7583-2309
Gonzalez, CarolinaUNSPECIFIEDUNSPECIFIED
Kraus, ThomasUNSPECIFIEDhttps://orcid.org/0000-0002-9486-7371
Reimann, JensUNSPECIFIEDhttps://orcid.org/0000-0002-0650-9073
Jäger, MarcUNSPECIFIEDUNSPECIFIED
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Rizzoli, PaolaUNSPECIFIEDhttps://orcid.org/0000-0001-9118-2732
Zink, ManfredUNSPECIFIEDhttps://orcid.org/0000-0002-4308-5636
Date:May 2017
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:10
DOI :10.1109/JSTARS.2017.2663323
Page Range:pp. 1853-1869
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:1939-1404
Status:Published
Keywords:Bistatic synthetic aperture radar (SAR), SAR polarimetry, SAR interferometry, dual-receive antenna (DRA) mode, full polarimetric.
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:06 Mar 2017 08:11
Last Modified:08 Mar 2018 18:32

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