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Precise Orbit and Baseline Determination for the SAOCOM-CS Bistatic Radar Mission

Montenbruck, Oliver and Allende-Alba, Gerardo and Rosello, Josep and Tossaint, Michel and Zangerl, Franz (2018) Precise Orbit and Baseline Determination for the SAOCOM-CS Bistatic Radar Mission. Navigation, Journal of the Institute of Navigation, 65 (1), pp. 15-24. Wiley. DOI: 10.1002/navi.216 ISSN 0028-1522

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This paper presents an overview of the SAOCOM-CS synthetic aperture radar (SAR) interferometry mission and the use of GPS/GNSS for precise orbit and baseline determination. Compared to X-band SAR interferometry missions, the use L-band SAR in SAOCOM-CS poses less stringent (sub-centimeter rather than mm-level) requirements on the baseline accuracy. At the same time, however, the use of dissimilar spacecraft and GNSS receivers implies a less-than optimal precondition for carrier phase differential GPS (CDGPS) navigation and is likely to degrade the baseline determination accuracy compared to ideal conditions. Based on GPS data collected in previous formation flying missions, the achievable baseline performance in SA-OCOM-CS is assessed and recommendations for the most suitable processing scheme are given.

Item URL in elib:https://elib.dlr.de/115563/
Document Type:Article
Title:Precise Orbit and Baseline Determination for the SAOCOM-CS Bistatic Radar Mission
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Montenbruck, Oliverdlr/gsochttps://orcid.org/0000-0003-4783-745X
Allende-Alba, Gerardodlr/gsocUNSPECIFIED
Rosello, Josepesa/estecUNSPECIFIED
Tossaint, Michelesa/estecUNSPECIFIED
Zangerl, FranzruagUNSPECIFIED
Journal or Publication Title:Navigation, Journal of the Institute of Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1002/navi.216
Page Range:pp. 15-24
Keywords:Precise Orbit Determination, Baseline, SAR, L-Band
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:20 Nov 2017 16:56
Last Modified:06 Sep 2019 15:23

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