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3CAT-2, an experimental nano-satellite for GNSS-R earth observation: mission concept and analysis

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10.1109/JSTARS.2016.2574717
 
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hdl:2117/102773

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Carreno-Luengo, Hugo
Camps Carmona, Adriano JoséMés informacióMés informacióMés informació
Muñoz, Joan Francesc
Vidal, David
Amézaga Sarries, Adrià
Bolet Alberto, Font
Jané, Jaume
Olivé, Roger
Carola, Jorge
Catarino, Nuno
Hagenfeldt, Miguel
Palomo, Pedro
Cornara, Stefania
Document typeArticle
Defense date2016-10-01
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Global navigation satellite system reflectometry is a multistatic radar using navigation signals as signals of opportunity. It provides wide-swath and improved spatiotemporal sampling over current space-borne missions. The lack of experimental datasets from space covering signals from multiple constellations (GPS, GLONASS, Galileo, and Beidou) at dual-band (L1 and L2) and dual-polarization (right- and left-hand circular polarization), over the ocean, land, and cryosphere remains a bottleneck to further develop these techniques. 3Cat-2 is a 6-unit (3 × 2 elementary blocks of 10 × 10 × 10 cm3) CubeSat mission designed and implemented at the Universitat Polite`cnica de Catalunya-BarcelonaTech to explore fundamental issues toward an improvement in the understanding of the bistatic scattering properties of different targets. Since geolocalization of the specific reflection points is determined by the geometry only, a moderate pointing accuracy is only required to correct the antenna pattern in scatterometry measurements. This paper describes the mission analysis and the current status of the assembly, integration, and verification activities of both the engineering model and the flight model performed at Universitat Politècnica de Catalunya NanoSatLab premises. 3Cat-2 launch is foreseen for the second quarter of 2016 into a Sun-Synchronous orbit of 510-km height.
CitationCarreno-Luengo, H., Camps, A., Muñoz, J.F., Vidal, D., Amezaga, A., Bolet, F., Jané, J., Olivé, R., Carola, J., Catarino, N., Hagenfeldt, M., Palomo, P., Cornara, S. 3CAT-2, an experimental nano-satellite for GNSS-R earth observation: mission concept and analysis. "IEEE journal of selected topics in applied earth observations and remote sensing", 1 Octubre 2016, vol. 9, núm. 10, p. 4540-4551. 
URIhttp://hdl.handle.net/2117/102773
DOI10.1109/JSTARS.2016.2574717
ISSN1939-1404
Publisher versionhttp://ieeexplore.ieee.org/document/7500113/
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  • Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.351]
  • RSLAB - Remote Sensing Research Group - Articles de revista [614]
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