Interferometric orbit determination for geostationary satellites

Future Geo SAR missions are expected to provide higher resolution radar images featuring shorter revisit times by locating a radar payload on-board of a geostationary satellite. One of the main challenges in Geo SAR processing is accurately determining the satellite orbit to obtain a precise phase h...

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Bibliographic Details
Published in:Science China. Information sciences 2017-06, Vol.60 (6), p.18-28, Article 060302
Main Authors: Fuster, Roger M., Fernández Usón, Marc, Broquetas Ibars, Antoni
Format: Article
Language:English
Subjects:
Approximation
Computer Science
Earthquakes
Enginyeria de la telecomunicació
Geometry
GeoSAR
geostationary SAR
Information Systems and Communication Service
Interferometria
Interferometry
Missions
Orbit determination
Orbits
Radar
Radar d'obertura sintètica
Radar imaging
Radiocomunicació i exploració electromagnètica
Receivers & amplifiers
Research Paper
Satellite orbits
Satellites
Synchronous satellites
Syntethic aperture radar
Àrees temàtiques de la UPC
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Summary:Future Geo SAR missions are expected to provide higher resolution radar images featuring shorter revisit times by locating a radar payload on-board of a geostationary satellite. One of the main challenges in Geo SAR processing is accurately determining the satellite orbit to obtain a precise phase history, in order to properly focus the retrieved data. To tackle this challenge, a multiple baseline ground-based interferometer is proposed as a compact and reliable method to achieve an unprecedented accuracy. As a proof of concept, this paper presents the results obtained from a single baseline prototype, whose results can be extrapolated to a larger system, able to be used in future missions.
ISSN:1674-733X
1869-1919
DOI:10.1007/s11432-016-9052-y