Exploració per autor "Forte Veliz, Giuseppe Francesco"
Ara es mostren els items 1-20 de 20
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A stratospheric balloon GNSS-R experiment: The 3Cat-2 project in DLR/SNSB BEXUS
Carreño Luengo, Hugo; Camps Carmona, Adriano José; Querol Borràs, Jorge; Forte Veliz, Giuseppe Francesco; Onrubia Ibáñez, Raúl; Díez, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés restringit per política de l'editorialUniversitat Politècnica de Catalunya (UPC) - BarcelonaTech Remote Sensing Laboratory focus on the development of breakthrough concepts. The 3Cat-2 mission is on the synergy of GNSS reflectometry and the CubeSat concept. ... -
Calibration, performance, and imaging tests of a fully digital synthetic aperture interferometer radiometer
Ramos Pérez, Isaac; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Bosch Lluís, Xavier; Valencia Domènech, Enric; Rodríguez Álvarez, Nereida; Hyuk, Park; Vall-Llossera Ferran, Mercedes Magdalena (2012-06-28)
Article
Accés restringit per política de l'editorialThis work presents the calibration, characterization, and imaging tests of the Passive Advanced Unit-Synthetic Aperture instrument (PAU-SA). PAU-SA is a fully digital -shaped two-dimensional synthetic aperture interferometric ... -
Digital back-end for RFI detection and mitigation in earth observation
Forte Veliz, Giuseppe Francesco; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialA powerful real time Radio-frequency interference (RFI) mitigation back-end system is presented in this work. The interfering signals are estimated by using the wavelet transform to utilize its effective denoising capability. ... -
Digital back-end for RFI detection and mitigation in microwave radiometers
Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Ramos, I.; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialRadio-frequency interference (RFI) is a serious problem in microwave radiometry. In order to process the received data in real time, a powerful back-end for RFI detection and mitigation system must be implemented. This ... -
Dual-polarization GNSS-R interference pattern technique for soil moisture mapping
Alonso Arroyo, Alberto; Camps Carmona, Adriano José; Aguasca Solé, Alberto; Forte Veliz, Giuseppe Francesco; Monerris Belda, Alessandra; Rudiger, Christoph; Walker, Jeffrey; Hyuk, Park; Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl (2014-05-01)
Article
Accés restringit per política de l'editorialThe interference pattern technique (IPT) consists of the coherent addition of the direct and reflected global navigation satellite systems (GNSS) signals in the receiving antenna. The detected power oscillates (fading), ... -
Experimental study on the performance of RFI detection algorithms in microwave radiometry: Toward an optimum combined test
Forte Veliz, Giuseppe Francesco; Tarongí Bauzá, José Miguel; Depau, Veronica; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
Article
Accés restringit per política de l'editorialRadio-frequency interference (RFI) is probably today's most serious limitation to the accurate retrieval of geophysical parameters from microwave radiometric measurements. Strong RFI inducing a change in the detected power ... -
First results of a GNSS-R experiment from a stratospheric balloon over boreal forests
Carreño Luengo, Hugo; Camps Carmona, Adriano José; Querol Borràs, Jorge; Forte Veliz, Giuseppe Francesco (Institute of Electrical and Electronics Engineers (IEEE), 2015-12-18)
Article
Accés obertThe empirical results of a global navigation satellite systems reflectometry (GNSS-R) experiment onboard the Balloon EXperiments for University Students (BEXUS) 17 stratospheric balloon performed north of Sweden over boreal ... -
Land monitoring using GNSS-R techniques: a review of recent advances
Camps Carmona, Adriano José; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Forte Veliz, Giuseppe Francesco; Ramos Pérez, Isaac; Alonso Arroyo, Alberto; Bosch Lluís, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialSoil moisture is required to improve meteorological and climate predictions. Global soil moisture maps are nowadays produced daily from SMOS satellite data, with a basic spatial resolution of ~50 km. Recently, using data ... -
Optimum intercalibration time in synthetic aperture interferometric radiometers: application to SMOS
Ramos Pérez, Isaac; Bosch Lluís, Xavier; Camps Carmona, Adriano José; González Gambau, Veronica; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Hyuk, Park; Vall-Llossera Ferran, Mercedes Magdalena; Forte Veliz, Giuseppe Francesco (2012)
Article
Accés restringit per política de l'editorialInterpolation strategies for calibration of the Soil Moisture and Ocean Salinity (SMOS) mission of the European Space Agency are tested and compared. Calibration strategy (how and how often) is critical in achieving the ... -
PAU-SA: a synthetic aperture interferometric radiometer test bed for potential improvements in future missions
Ramos Pérez, Isaac; Camps Carmona, Adriano José; Bosch Lluís, Xavier; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Hyuk, Park; Forte Veliz, Giuseppe Francesco; Vall-Llossera Ferran, Mercedes Magdalena (2012-06)
Article
Accés obertThe Soil Moisture and Ocean Salinity (SMOS) mission is an Earth Explorer Opportunity mission from the European Space Agency (ESA). Its goal is to produce global maps of soil moisture and ocean salinity using the Microwave ... -
Preliminary performance study of different radio-frequency interference detection and mitigation algorithms in microwave radiometry
Depau, Veronica; Tarongí Bauzá, José Miguel; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis work presents the preliminary performance study of several RFI detection and mitigation algorithms applied to real data. The used algorithms include statistical analysis in the time and frequency domains and time and ... -
Real-time RFI detection and mitigation system for microwave radiometers
Forte Veliz, Giuseppe Francesco; Querol Borràs, Jorge; Camps Carmona, Adriano José; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2013-10)
Article
Accés restringit per política de l'editorialMicrowave radiometers are very sensitive passive sensors that measure the power of the thermal noise within a determined bandwidth. Therefore, any other signal present in the band modifies the value of the measured power, ... -
Recent advances in land monitoring using GNSS-R techniques
Camps Carmona, Adriano José; Forte Veliz, Giuseppe Francesco; Ramos, I.; Alonso Arroyo, Alberto; Martinez, Philippe; Crespo, Luis; Alcayde Egea, Antonio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialSoil moisture and land surface’s temperature are proxys of forest fires risk. In the frame of the DANTE project, ADTelecom (Barcelona, Spain) is working in the design of an instrument: 1) to estimate the risk of forest ... -
Review of GNSS-R instruments and tools developed at the Universitat Politecnica de Catalunya-Barcelona Tech
Camps Carmona, Adriano José; Marchán Hernández, Juan Fernando; Bosch Lluís, Xavier; Rodríguez Álvarez, Nereida; Ramos Pérez, Isaac; Valencia Domènech, Enric; Tarongí Bauzá, José Miguel; Hyuk, Park; Carreño Luengo, Hugo; Alonso Arroyo, Alberto; Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Forte Veliz, Giuseppe Francesco; Querol Borràs, Jorge (2014)
Comunicació de congrés
Accés restringit per política de l'editorialReflectometry using Global Navigation Satellite System's signals of opportunity (GNSS-R) was originally conceived in the early 90s for mesoscale altimetry, and since then, many studies have shown its applicability to other ... -
Soil moisture mapping using forward scattered GPS L1 signals
Alonso Arroyo, Alberto; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Hyuk, Park; Pascual Biosca, Daniel; Onrubia Ibáñez, Raúl; Jové Casulleras, Roger (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Comunicació de congrés
Accés restringit per política de l'editorialThis work presents a novel technique for the determination of soil moisture obtaining 2-D Soil Moisture (SM) information with a single instrument. Both the instrument and the retrieval algorithm used, which is based on ... -
Study of radio frequency interference effects on radiometry bands in urban environments
Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Tarongí Bauzá, José Miguel; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialMicrowave radiometers are very accurate passive sensors that have been successfully used in Earth remote sensing during the last decades. Microwave radiometers measure thermal noise, therefore any other signal (radio-frequency ... -
Study of RFI signals in protected GNSS bands generated by common electronic devices: effects on GNSS-R measurements
Querol Borràs, Jorge; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés restringit per política de l'editorialRFI (Radio Frequency Interference) signals are a threat for GNSS-R (Global Navigation Satellite Systems - Reflectometry) due to the very low power of the navigation signals. Interference signals coming from computers or ... -
The dual polarization GNSS-R interference pattern technique
Alonso Arroyo, Alberto; Camps Carmona, Adriano José; Monerris Belda, Sandra; Ruudiger, C.; Walker, Jeffrey; Forte Veliz, Giuseppe Francesco; Pascual Biosca, Daniel; Hyuk, Park; Onrubia Ibáñez, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialSince 2003 several field experiments using Global Navigation Satellite Systems (GNSS)-Reflectometry (GNSS-R) have demonstrated the feasibility of retrieving Soil Moisture (SM) from GNSS-R observations. Different techniques ... -
The light airborne reflectometer for GNSS-R observations (LARGO) instrument: initial results from airborne and Rover field campaigns
Alonso Arroyo, Alberto; Camps Carmona, Adriano José; Monerris Belda, Sandra; Rudiger, Christoph; Walker, Jeffrey; Forte Veliz, Giuseppe Francesco; Pascual Biosca, Daniel; Hyuk, Park; Onrubia Ibáñez, Raúl (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialGlobal Navigation Satellite Systems (GNSS)-Reflectometry (GNSS-R) has proved to be a useful technique for the estimation of Soil Moisture (SM). In the past 10 years, different techniques such as the Interference Pattern ... -
Validation and experimental tests of the PAU-synthetic aperture radiometer
Ramos Pérez, Isaac; Forte Veliz, Giuseppe Francesco; Camps Carmona, Adriano José; Bosch Lluís, Xavier; Rodríguez Álvarez, Nereida; Valencia Domènech, Enric; Hyuk, Park; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents calibration and the radiometric performance of the Passive Advanced Unit Synthetic Aperture (PAU-SA) in order to verify the instrument's characterization.