Search Results - "Domènech, Enric Valencia"

PAU-SA: A Synthetic Aperture Interferometric Radiometer Test Bed for Potential Improvements in Future Missions by Ramos-Perez, Isaac, Camps, Adriano, Bosch-Lluis, Xavi, Rodriguez-Alvarez, Nereida, Valencia-Domènech, Enric, Park, Hyuk, Forte, Giuseppe, Vall-Llosera, Merce

“…The Soil Moisture and Ocean Salinity (SMOS) mission is an Earth Explorer Opportunity mission from the European Space Agency (ESA). Its goal is to produce…”
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Correction: Ramos-Pérez, I. et al. Calibration of Correlation Radiometers Using Pseudo-Random Noise Signals. Sensors 2009, 9, 6131-6149 by Ramos-Pérez, Isaac, Bosch-Lluis, Xavi, Camps, Adriano, Rodriguez-Alvarez, Nereida, Marchán-Hernandez, Juan, Valencia-Domènech, Enric, Vernich, Carlos, De la Rosa, Sonia, Pantoja, Sebastián

“…It has come to our attention that in the original version of a paper published in Sensors recently, the names of four co-authors were misspelled with several…”
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Calibration of correlation radiometers using pseudo-random noise signals by Pérez, Isaac Ramos, Bosch-Lluis, Xavi, Camps, Adriano, Alvarez, Nereida Rodriguez, Hernandez, Juan Fernando Marchán, Domènech, Enric Valencia, Vernich, Carlos, de la Rosa, Sonia, Pantoja, Sebastián

“…The calibration of correlation radiometers, and particularly aperture synthesis interferometric radiometers, is a critical issue to ensure their performance…”
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Using DDM Asymmetry Metrics for Wind Direction Retrieval From GPS Ocean-Scattered Signals in Airborne Experiments by Valencia, Enric, Zavorotny, Valery U., Akos, Dennis M., Camps, Adriano

“…Reflectometry of signals of opportunity such as those emitted by a global navigation satellite system, known as GNSS-R, has been developed over the past years…”
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Optimization and Performance Analysis of Interferometric GNSS-R Altimeters: Application to the PARIS IoD Mission by Camps, Adriano, Park, Hyuk, Valencia i Domenech, Enric, Pascual, Daniel, Martin, Francisco, Rius, Antonio, Ribo, Serni, Benito, Javier, Andres-Beivide, Ana, Saameno, P., Staton, G., Martin-Neira, Manuel, DAddio, S., Willemsen, P.

“…Reflectometry using Global Navigation Satellite System's signals (GNSS-R) of opportunity was originally conceived in the early 1990 s for mesoscale altimetry,…”
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Common Mathematical Framework for Real and Synthetic Aperture by Interferometry Radiometers by Bosch-Lluis, Xavier, Ramos-Perez, Isaac, Camps, Adriano, Rodriguez-Alvarez, Nereida, Valencia, Enric, Hyuk Park

“…This work focuses on the relationship between real and synthetic aperture radiometers giving a general and common mathematical framework for both of them. It…”
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Altimetry with GNSS-R interferometry: first proof of concept experiment by Rius, Antonio, Nogués-Correig, Oleguer, Ribó, Serni, Cardellach, Estel, Oliveras, Santi, Valencia, Enric, Park, Hyuk, Tarongí, José Miguel, Camps, Adriano, van der Marel, Hans, van Bree, Roel, Altena, Bas, Martín-Neira, Manuel

“…The Global Navigation Satellite System Reflectometry (GNSS-R) concept was conceived as a means to densify radar altimeter measurements of the sea surface…”
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Ocean Surface's Scattering Coefficient Retrieval by Delay-Doppler Map Inversion by Valencia, E., Camps, A., Marchan-Hernandez, J. F., Hyuk Park, Bosch-Lluis, X., Rodriguez-Alvarez, N., Ramos-Perez, I.

“…Global navigation satellite system reflectometry of signals is a promising technique to remotely sense a number of Earth's geophysical parameters, and it has…”
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Vegetation Water Content Estimation Using GNSS Measurements by Rodriguez-Alvarez, N., Bosch-Lluis, X., Camps, A., Ramos-Perez, I., Valencia, E., Hyuk Park, Vall-llossera, M.

“…Global Navigation Satellite Systems (GNSS) opportunity signals reflected at or near the Earth's surface have already shown their potential to perform…”
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On the Use of GNSS-R Data to Correct L-Band Brightness Temperatures for Sea-State Effects: Results of the ALBATROSS Field Experiments by Valencia, E., Camps, A., Bosch-Lluis, X., Rodriguez-Alvarez, N., Ramos-Perez, I., Eugenio, F., Marcello, J.

“…Sea surface salinity is a key oceanographic parameter that can be measured by means of L-band microwave radiometry. The measured brightness temperatures over…”
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Retracking considerations in spaceborne GNSS-R altimetry by Park, Hyuk, Camps, Adriano, Valencia, Enric, Rodriguez-Alvarez, Nereida, Bosch-Lluis, Xavier, Ramos-Perez, Isaac, Carreno-Luengo, Hugo

“…The European Space Agency Passive Reflectometry and Interferometry System In-orbit Demonstrator (IoD) aims to perform mesoscale altimetric observations by…”
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A general analysis of the impact of digitization in microwave correlation radiometers by Bosch-Lluis, Xavier, Ramos-Perez, Isaac, Camps, Adriano, Rodriguez-Alvarez, Nereida, Valencia, Enric, Park, Hyuk

“…This study provides a general framework to analyze the effects on correlation radiometers of a generic quantization scheme and sampling process. It reviews,…”
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Advanced architectures for real-time Delay-Doppler Map GNSS-reflectometers: The GPS reflectometer instrument for PAU (griPAU) by Valencia, E., Camps, A., Marchan-Hernandez, J.F., Bosch-Lluis, X., Rodriguez-Alvarez, N., Ramos-Perez, I.

“…In recent years Global Navigation Satellite System’s signals Reflectometry (GNSS-R) has stood as a potential powerful remote sensing technique to derive…”
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Optimum Intercalibration Time in Synthetic Aperture Interferometric Radiometers: Application to SMOS by Ramos-Perez, I., Bosch-Lluis, X., Camps, A., Gonzalez, V., Rodriguez-Alvarez, N., Valencia, E., Hyuk Park, Vall llosera, Merce, Forte, G.

“…Interpolation strategies for calibration of the Soil Moisture and Ocean Salinity (SMOS) mission of the European Space Agency are tested and compared…”
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Calibration, Performance, and Imaging Tests of a Fully Digital Synthetic Aperture Interferometer Radiometer by Ramos-Perez, Isaac, Forte, Giuseppe F., Camps, Adriano, Bosch-Lluis, Xavier, Valencia, Enric, Rodriguez-Alvarez, Nereida, Park, Hyuk, Vall-llosera, Mercè

“…This work presents the calibration, characterization, and imaging tests of the Passive Advanced Unit-Synthetic Aperture instrument (PAU-SA). PAU-SA is a fully…”
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Impact of Doppler frequency compensation errors on spaceborne GNSS-R altimetry by Hyuk Park, Camps, A., Valencia, E.

“…The compensation of the Doppler frequency error is important to accurately estimate the sea height in spaceborne GNSS-R altimetry. This work presents the…”
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Impact of the observation geometry on the GNSS-R direct descriptors used for sea state monitoring by Valencia, E., Camps, A., Park, H., Rodriguez-Alvarez, N., Ramos-Perez, I.

“…In recent years GNSS-R has been proposed for ocean remote sensing, both for altimetry and scatterometry. For the later, two main approaches are available:…”
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Land monitoring using GNSS-R techniques: A review of recent advances by Camps, A., Rodriguez-Alvarez, N., Valencia, E., Forte, G., Ramos, I., Alonso-Arroyo, A., Bosch-Lluis, X.

“…Soil moisture is required to improve meteorological and climate predictions. Global soil moisture maps are nowadays produced daily from SMOS satellite data,…”
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Snow monitoring using GNSS-R techniques by Rodriguez-Alvarez, N., Aguasca, A., Valencia, E., Bosch-Lluis, X., Ramos-Perez, I., Park, H., Camps, A., Vall-llossera, M.

“…GNSS-R techniques are currently being studied to remotely sense a number of geophysical parameters over different types of surfaces [1-6]. The Interference…”
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Review of GNSS-R instruments and tools developed at the Universitat Politecnica de Catalunya-Barcelona tech by Camps, A., Marchan-Hernandez, J. F., Bosch-Lluis, X., Rodriguez-Alvarez, N., Ramos-Perez, I., Valencia, E., Tarongi, J. M., Park, H., Carreno-Luengo, H., Alonso-Arroyo, A., Pascual, D., Onrubia, R., Forte, G., Querol, J.

“…Reflectometry using Global Navigation Satellite System's signals of opportunity (GNSS-R) was originally conceived in the early 90s for mesoscale altimetry, and…”
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