Synthetic Aperture PAU: a new instrument to test potential improvements for future SMOSops. - Isaac Ramos-Pérez; Adriano Camps; Xavier Bosch-Lluis; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Enric Valencia; Fabio Frascella; Paolo Campigotto; Marco Donadio (IGARSS, 2007)

Initial Results of a Digital Radiometer with Digital Beamforming. - Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Enric Valencia; Miguel Angel Guerrero; Juan Manuel Nieto (IGARSS (2), 2008)

Ground-Based GNSS-R Measurements with the PAU Instrument and their Application to the Sea Surface Salinity Retrieval: First Results. - Juan Fernando Marchan-Hernandez; Mercè Vall-Llossera; Adriano Camps; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Enric Valencia; Xavier Bosch-Lluis; Marco Talone; José Miguel Tarongí; Maria Piles (IGARSS (4), 2008)

Initial Results of the Passive Advanced Unit - Synthetic Aperture (PAU-SA). - Isaac Ramos-Pérez; Enric Valencia; Adriano Camps; Xavier Bosch-Lluis; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Francisco Canales-Contador; Marco Donadio (IGARSS (2), 2008)

Soil Moisture Retrieval Using GNSS-R Techniques: Measurement Campaign in a Wheat Field. - Nereida Rodriguez-Alvarez; Juan Fernando Marchan-Hernandez; Adriano Camps; Enric Valencia; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Juan Manuel Nieto (IGARSS (2), 2008)

Initial Results of an Airborne Light-Weight L-Band Radiometer. - Enric Valencia; Rene Acevo-Herrera; Xavier Bosch-Lluis; Albert Aguasca; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Juan Fernando Marchan-Hernandez; Mathilde Glenat; Francesc Bou; Adriano Camps (IGARSS (2), 2008)

Correction of the Sea State Impact in the L-Band Brightness Temperature by Means of Delay-Doppler Maps of Global Navigation Satellite Signals Reflected Over the Sea Surface. - Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Adriano Camps; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Enric Valencia (IEEE Trans. Geosci. Remote. Sens., 2008)

Digital Beamforming Analysis and Performance for a Digital L-band Pseudo-correlation Radiometer. - Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps; Nereida Rodriguez-Alvarez; Juan Fernando Marchan-Hernandez; Enric Valencia; Juan Manuel Nieto; Miguel Angel Guerrero (IGARSS (5), 2009)

Delay-Doppler Maps Study over Ocean, Land and Ice from Space. - Pau Ferré-Lillo; Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Enric Valencia; Juan Fernando Marchan-Hernandez; Isaac Ramos-Pérez; Adriano Camps (IGARSS (2), 2009)

Preliminary results of the Passive Advanced Unit Synthetic Aperture (PAU-SA). - Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Enric Valencia; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Francisco Canales-Contador (IGARSS (4), 2009)

Soil Moisture and Vegetation Height Retrieval using GNSS-R Techniques. - Nereida Rodriguez-Alvarez; Alessandra Monerris; Xavier Bosch-Lluis; Adriano Camps; Mercè Vall-Llossera; Juan Fernando Marchan-Hernandez; Isaac Ramos-Pérez; Enric Valencia; José Martínez-Fernández; Nilda Sanchez-Martin; Guido Baroncini-Turricchia; Carlos Perez-Gutierrez (IGARSS (3), 2009)

Topographic Profile Retrieval using the Interference Pattern GNSS-R Technique. - Nereida Rodriguez-Alvarez; Juan Fernando Marchan-Hernandez; Adriano Camps; Xavier Bosch-Lluis; Enric Valencia; Isaac Ramos-Pérez; Mercè Vall-Llossera; Alessandra Monerris; José Martínez-Fernández; Carlos Perez-Gutierrez; Guido Baroncini-Turricchia; Nilda Sanchez-Martin; et al. (IGARSS (3), 2009)

Preliminary Results of the Advanced L-band Transmission and Reflection Observationof the Sea Surface (ALBATROSS) Campaign: Preparing the SMOS Calibration and Validation Activities. - Marco Talone; Adriano Camps; Juan Fernando Marchan-Hernandez; José Miguel Tarongí; Maria Piles; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Enric Valencia; Nereida Rodriguez-Alvarez; Mercè Vall-Llossera; Pau Ferré (IGARSS (4), 2009)

Experimental Relationship between the Sea Brightness Temperature Changes and the GNSS-R Delay-Doppler Maps: Preliminary Results of the Albatross Field Experiments. - Enric Valencia; Juan Fernando Marchan-Hernandez; Adriano Camps; Nereida Rodriguez-Alvarez; José Miguel Tarongí; Maria Piles; Isaac Ramos-Pérez; Xavier Bosch-Lluis; Mercè Vall-Llossera; Pau Ferré (IGARSS (3), 2009)

New Passive Instruments Developed for Ocean Monitoring at the Remote Sensing Lab - Universitat Politècnica de Catalunya. - Adriano Camps; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Enric Valencia; José Miguel Tarongí; Albert Aguasca; Rene Acevo-Herrera (Sensors, 2009)

Calibration of Correlation Radiometers Using Pseudo-Random Noise Signals. - Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Nereida Rodriguez-Alvarez; Juan Fernando Marchan-Hernandez; Enric Valencia-Domènech; Carlos Vernich; Sonia de la Rosa; Sebastián Pantoja (Sensors, 2009)

Correction: Ramos-Pérez, I. et al. Calibration of Correlation Radiometers Using Pseudo-Random Noise Signals. Sensors 2009, 9, 6131-6149. - Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Nereida Rodriguez-Alvarez; Juan Fernando Marchan-Hernandez; Enric Valencia-Domènech; Carlos Vernich; Sonia de la Rosa; Sebastián Pantoja (Sensors, 2009)

An Efficient Algorithm to the Simulation of Delay-Doppler Maps of Reflected Global Navigation Satellite System Signals. - Juan Fernando Marchan-Hernandez; Adriano Camps; Nereida Rodriguez-Alvarez; Enric Valencia; Xavier Bosch-Lluis; Isaac Ramos-Pérez (IEEE Trans. Geosci. Remote. Sens., 2009)

Soil Moisture Retrieval Using GNSS-R Techniques: Experimental Results Over a Bare Soil Field. - Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Adriano Camps; Mercè Vall-Llossera; Enric Valencia; Juan Fernando Marchan-Hernandez; Isaac Ramos-Pérez (IEEE Trans. Geosci. Remote. Sens., 2009)

The proof of concept for 3-cm Altimetry using the Paris Interferometric Technique. - Oleguer Nogués-Correig; Sernerni Ribo; Juan Carlos Arco; Estel Cardellach; Antonio Rius; Enric Valencia; José Miguel Tarongí; Adriano Camps; Hans van der Marel; Manuel Martín-Neira (IGARSS, 2010)

End-to-end simulator for Global Navigation Satellite System Reflectometry space mission. - Hyuk Park 001; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Enric Valencia; Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps (IGARSS, 2010)

On-ground tests and measurements of the Passive Advanced Unit Synthetic Aperture (PAU-SA). - Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Enric Valencia; Nereida Rodriguez-Alvarez; Mercè Vall-Llossera; Giuseppe Forte (IGARSS, 2010)

Altimetry study performed using an airborne GNSS-Reflectometer. - Nereida Rodriguez-Alvarez; Rene Acevo-Herrera; Albert Aguasca; Enric Valencia; Adriano Camps; Mercè Vall-Llossera; Xavier Bosch-Lluis; Isaac Ramos-Pérez (IGARSS, 2010)

Study of maize plants effects in the retrieval of soil moisture using the interference pattern GNSS-R technique. - Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Rene Acevo-Herrera; Albert Aguasca; Adriano Camps; Mercè Vall-Llossera; Isaac Ramos-Pérez; Enric Valencia (IGARSS, 2010)

GNSS-R Delay-Doppler Maps over land: Preliminary results of the GRAJO field experiment. - Enric Valencia; Adriano Camps; Mercè Vall-Llossera; Alessandra Monerris; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Juan Fernando Marchan-Hernandez; José Martínez-Fernández; Nilda Sanchez-Martin; Carlos Perez-Gutierrez (IGARSS, 2010)

Sea-State Determination Using GNSS-R Data. - Juan Fernando Marchan-Hernandez; Enric Valencia; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Francisco Eugenio; Javier Marcello (IEEE Geosci. Remote. Sens. Lett., 2010)

Experimental Determination of the Sea Correlation Time Using GNSS-R Coherent Data. - Enric Valencia; Adriano Camps; Juan Fernando Marchan-Hernandez; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Xavier Bosch-Lluis (IEEE Geosci. Remote. Sens. Lett., 2010)

A radiometer concept to retrieve the 3-D radiometric emission from atmospheric temperature and water vapor density. - Xavier Bosch-Lluis; Hyuk Park 001; Adriano Camps; Steven C. Reising; Swaroop Sahoo; Sharmila Padmanabhan; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Enric Valencia (IGARSS, 2011)

PAU instrument aboard INTA MicroSat-1: A GNSS-R demonstration mission for sea state correction in L-band radiometry. - Adriano Camps; Juan Fernando Marchan-Hernandez; Enric Valencia; Isaac Ramos-Pérez; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Hyuk Park 001; Antonio Alcayde; A. Mollfulleda; J. Galindo; Pedro Martinez; Sergio Chavero; et al. (IGARSS, 2011)

Preliminary error budget of a GNSS-R spaceborne mission. - Adriano Camps; Hyuk Park 001; Enric Valencia; Antonio Rius (IGARSS, 2011)

New approach to sea surface wind retrieval from GNSS-R measurements. - Hyuk Park 001; Enric Valencia; Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps (IGARSS, 2011)

First results of the PAU-SA synthetic aperture radiometer. - Isaac Ramos-Pérez; Giuseppe Forte; Xavier Bosch-Lluis; Adriano Camps; Enric Valencia; Nereida Rodriguez-Alvarez; Hyuk Park 001; Mercè Vall-Llossera (IGARSS, 2011)

Snow monitoring using GNSS-R techniques. - Nereida Rodriguez-Alvarez; Albert Aguasca; Enric Valencia; Xavier Bosch-Lluis; Isaac Ramos-Pérez; Hyuk Park 001; Adriano Camps; Mercè Vall-Llossera (IGARSS, 2011)

Water level monitoring using the interference pattern GNSS-R technique. - Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Adriano Camps; Isaac Ramos-Pérez; Enric Valencia; Hyuk Park 001; Mercè Vall-Llossera (IGARSS, 2011)

Oil slicks detection using GNSS-R. - Enric Valencia; Adriano Camps; Hyuk Park 001; Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Isaac Ramos-Pérez (IGARSS, 2011)

Ocean Surface's Scattering Coefficient Retrieval by Delay-Doppler Map Inversion. - Enric Valencia; Adriano Camps; Juan Fernando Marchan-Hernandez; Hyuk Park 001; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez (IEEE Geosci. Remote. Sens. Lett., 2011)

Description and Performance of an L-Band Radiometer with Digital Beamforming. - Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps; Nereida Rodriguez-Alvarez; Enric Valencia; Juan Fernando Marchan-Hernandez (Remote. Sens., 2011)

A General Analysis of the Impact of Digitization in Microwave Correlation Radiometers. - Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps; Nereida Rodriguez-Alvarez; Enric Valencia; Hyuk Park 001 (Sensors, 2011)

Land Geophysical Parameters Retrieval Using the Interference Pattern GNSS-R Technique. - Nereida Rodriguez-Alvarez; Adriano Camps; Mercè Vall-Llossera; Xavier Bosch-Lluis; Alessandra Monerris; Isaac Ramos-Pérez; Enric Valencia; Juan Fernando Marchan-Hernandez; José Martínez-Fernández; Guido Baroncini-Turricchia; Carlos Perez-Gutierrez; Nilda Sánchez (IEEE Trans. Geosci. Remote. Sens., 2011)

On the Use of GNSS-R Data to Correct L-Band Brightness Temperatures for Sea-State Effects: Results of the ALBATROSS Field Experiments. - Enric Valencia; Adriano Camps; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Francisco Eugenio; Javier Marcello (IEEE Trans. Geosci. Remote. Sens., 2011)

Interferometric GNSS-R achievable altimetric performance and compression/denoising using the wavelet transform: An experimental study. - Adriano Camps; Francisco Martín 002; Hyuk Park 001; Enric Valencia; Antonio Rius; Salvatore D'Addio (IGARSS, 2012)

Impact of Doppler frequency compensation errors on spaceborne GNSS-R altimetry. - Hyuk Park 001; Adriano Camps; Enric Valencia (IGARSS, 2012)

Validation and experimental tests of the PAU-synthetic aperture radiometer. - Isaac Ramos-Pérez; Giuseppe Forte; Adriano Camps; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Enric Valencia; Hyuk Park 001; Mercè Vall-Llossera (IGARSS, 2012)

Impact of the observation geometry on the GNSS-R direct descriptors used for sea state monitoring. - Enric Valencia; Adriano Camps; Hyuk Park 001; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez (IGARSS, 2012)

Optimum Intercalibration Time in Synthetic Aperture Interferometric Radiometers: Application to SMOS. - Isaac Ramos-Pérez; Xavier Bosch-Lluis; Adriano Camps; Verónica González-Gambau; Nereida Rodriguez-Alvarez; Enric Valencia; Hyuk Park 001; Mercè Vall-Llossera; Giuseppe Forte (IEEE Geosci. Remote. Sens. Lett., 2012)

Snow Thickness Monitoring Using GNSS Measurements. - Nereida Rodriguez-Alvarez; Albert Aguasca; Enric Valencia; Xavier Bosch-Lluis; Adriano Camps; Isaac Ramos-Pérez; Hyuk Park 001; Mercè Vall-Llossera (IEEE Geosci. Remote. Sens. Lett., 2012)

Vegetation Water Content Estimation Using GNSS Measurements. - Nereida Rodriguez-Alvarez; Xavier Bosch-Lluis; Adriano Camps; Isaac Ramos-Pérez; Enric Valencia; Hyuk Park 001; Mercè Vall-Llossera (IEEE Geosci. Remote. Sens. Lett., 2012)

Review of the CALIMAS Team Contributions to European Space Agency's Soil Moisture and Ocean Salinity Mission Calibration and Validation. - Adriano Camps; Jordi Font; Ignasi Corbella; Mercè Vall-llossera; Marcos Portabella; Joaquim Ballabrera-Poy; Verónica González-Gambau; María Piles; Albert Aguasca; Rene Acevo-Herrera; Xavier Bosch-Lluis; Nuria Duffo; et al. (Remote. Sens., 2012)

PAU-SA: A Synthetic Aperture Interferometric Radiometer Test Bed for Potential Improvements in Future Missions. - Isaac Ramos-Pérez; Adriano Camps; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Enric Valencia-Domènech; Hyuk Park 001; Giuseppe Forte; Mercè Vall-Llossera (Sensors, 2012)

Calibration, Performance, and Imaging Tests of a Fully Digital Synthetic Aperture Interferometer Radiometer. - Isaac Ramos-Pérez; Giuseppe F. Forte; Adriano Camps; Xavier Bosch-Lluis; Enric Valencia; Nereida Rodriguez-Alvarez; Hyuk Park 001; Mercè Vall-Llossera (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2012)

Ocean monitoring using L-Band microwave radiometry and GNSS-R. - Enric Valencia (2012)

Land monitoring using GNSS-R techniques: A review of recent advances. - Adriano Camps; Nereida Rodriguez-Alvarez; Enric Valencia; Giuseppe Forte; Isaac Ramos-Pérez; Alberto Alonso Arroyo; Xavier Bosch-Lluis (IGARSS, 2013)

Delay Tracking in Spaceborne GNSS-R Ocean Altimetry. - Hyuk Park 001; Enric Valencia; Adriano Camps; Antonio Rius; Serni Ribo; Manuel Martín-Neira (IEEE Geosci. Remote. Sens. Lett., 2013)

Using GNSS-R Imaging of the Ocean Surface for Oil Slick Detection. - Enric Valencia; Adriano Camps; Nereida Rodriguez-Alvarez; Hyuk Park 001; Isaac Ramos-Pérez (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2013)

Review of GNSS-R instruments and tools developed at the Universitat Politecnica de Catalunya-Barcelona tech. - Adriano Camps; Juan Fernando Marchan-Hernandez; Xavier Bosch-Lluis; Nereida Rodriguez-Alvarez; Isaac Ramos-Pérez; Enric Valencia; José Miguel Tarongí; Hyuk Park 001; Hugo Carreno-Luengo; Alberto Alonso Arroyo; Daniel Pascual; Raul Onrubia; et al. (IGARSS, 2014)

Optimization and Performance Analysis of Interferometric GNSS-R Altimeters: Application to the PARIS IoD Mission. - Adriano Camps; Hyuk Park 001; Enric Valencia-Domènech; Daniel Pascual; Francisco Martín 002; Antonio Rius; Serni Ribo; Javier Benito; Ana Andrés-Beivide; Paula Saameno; Gavin Staton; Manuel Martín-Neira; et al. (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014)

Common Mathematical Framework for Real and Synthetic Aperture by Interferometry Radiometers. - Xavier Bosch-Lluis; Isaac Ramos-Pérez; Adriano Camps; Nereida Rodriguez-Alvarez; Enric Valencia; Hyuk Park 001 (IEEE Trans. Geosci. Remote. Sens., 2014)

Using DDM Asymmetry Metrics for Wind Direction Retrieval From GPS Ocean-Scattered Signals in Airborne Experiments. - Enric Valencia; Valery U. Zavorotny; Dennis M. Akos; Adriano Camps (IEEE Trans. Geosci. Remote. Sens., 2014)