Enviaments recents

• An anti-jamming system for GNSS timing applications 

  Querol Borràs, Jorge; Camps Carmona, Adriano José; Manfredini, E.G.; Píriz, R. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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  Radio-Frequency Interference (RFI) and jamming are increasing problems for timing applications based on Global Navigation Satellite Systems (GNSS). FENIX-lite is a real-time pre-correlation anti-jamming system designed to ...
• A radio-frequency interference detector for GNSS navigation and GNSS-reflectometry applications 

  Querol Borràs, Jorge; Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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  Radio-Frequency Interference (RFI) is a growing problem for applications based on the Global Navigation Satellite Systems (GNSS), including Earth observation using GNSS - Reflectometry (GNSS-R). Nowadays, many efforts are ...
• Beamformer characterization of the MIR instrument: the microwave interferometric reflectometer 

  Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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  Global Navigation Satellite Systems - Reflectometry (GNSS-R) has opened promising results for remote sensing applications. The broadcast of new signals with wider bandwidth provides an opportunity to increase the performance ...
• Calibration of GNSS-R receivers with PRN signal injection: methodology and validation with the microwave interferometric reflectometer (MIR) 

  Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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  The demonstration of the feasibility of navigation signals signals for remote sensing has lead to a significant increase of new GNSS-R instruments in the recent years. Despite of the type instrument, the observables are ...
• Inter-comparison of SMOS and aquarius brightness temperatures at L-band over selected targets 

  Pablos Hernández, Miriam; Piles Guillem, Maria; González Gambau, Veronica; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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  The spectral window at L-band (1.400 - 1.427 GHz) is reserved for passive microwave remote sensing. This band is well-suited to retrieve soil moisture and ocean salinity due to emissivity of soil and seawater decreases ...
• Comparison of GPS L1 and Galileo E1 signals for GNSS-R ocean altimetry 

  Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José; Alonso Arroyo, Alberto; Onrubia Ibáñez, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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  In the last years, the GPS signals have been validated as opportunity signals in a wide range of reflectometry-based remote sensing applications for sea, land or ice scenarios. Recently, the first Galileo satellites have ...
• Ships and ice monitoring with improved revisit time using GNSS-R constellation 

  Di Simone, Alessio; Hyuk, Park; Riccio, D; Camps Carmona, Adriano José (2016)
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• Feasibility of nano-satellites constellation for AIS decoding and fire detection 

  Castelvi, Jordi; Lancheros Sepulveda, Estefany Maria; Camps Carmona, Adriano José; Hyuk, Park (2016)
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• First Delay Doppler Maps obtained with the Microwave Inteferometric Reflectometer (MIR) 

  Pascual, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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  This work presents the first Delay Doppler Maps (DDMs) obtained with the Microwave Interferometric Reflectometer (MIR) airborne instrument. MIR is a GNSS Reflectometer (GNSS-R) which uses the conventional (cGNSS-R) and ...
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  Innovative sea surface monitoring with GNSS-REflectometry aboard ISS: overview and recent results from GEROS-ISS 

  Wickert, Jens; Baltazar Andersen, Ole; Bandeiras, J.; Bertino, Laurent; Cardellach, Estel; Camps Carmona, Adriano José; Catarino, Nuno; Chapron, Bertrand; Foti, Giuseppe; Gommenginger, Christine; Hatton, Jason; Høeg, Peter; Jaggi, A.; Kern, Michael; Lee, T.; Martín-Neira, Manuel; Hyuk, Park; Pierdicca, Nazzareno; Font-Rosselló, Josep; Semmling, Maximilian; Shum, C.K.; Zuffada, Cinzia; Soulat, François; Sousa, Anna; Xi, J. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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  GEROS-ISS (GEROS hereafter) stands for GNSS REflectometry, Radio Occultation and Scatterometry onboard the International Space Station. It is a scientific experiment, proposed to the European Space Agency (ESA) in 2011 for ...
• First Delay Doppler Maps obtained with the Microwave Interferometric Reflectometer (MIR) 

  Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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  The use of Global Navigation Satellite System (GNSS) signals for mesoscale altimetry was first proposed in [1]. Since then, many experiments and a couple of space missions have been carried out to validate the concept in ...
• Can we measure vegetation water content and vegetation opacity at L-band with a single GPS receiver? 

  Alonso Arroyo, Alberto; Querol Borràs, Jorge; Camps Carmona, Adriano José; Onrubia Ibáñez, Raúl; Hyuk, Park; Pascual Biosca, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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  This work shows a technique to estimate the vegetation opacity and infer the vegetation water content using a single GPS receiver located under the vegetation layer being analyzed. It is based on the measurement of the ...

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