Exploració per autor "Barbosa, José"
Ara es mostren els items 1-18 de 18
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A generic simulator for aperture synthesis radiometers: Radiative transfer module and end-to-end tests
Camps Carmona, Adriano José; Hyuk, Park; Barbosa, José; Bandeiras, J.; Sousa, Ana; d'Addio, Salvatore; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés restringit per política de l'editorialThe Synthetic Aperture Interferometric Radiometer (SAIR) Performance Simulator (SAIRPS) is a very versatile software tool developed by Deimos Engenharia (Portugal) and the Universitat Politècnica de Catalunya-Barcelona ... -
Biomass End-to-End PErformance Simulator: Description of the ionosphere module
Camps Carmona, Adriano José; Barbosa, José; Nestoras, Ioannis; Jordão, Adriano; Sanjuán Ferrer, María José; Rodríguez Cassola, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertESA's BIOMASS Earth Explorer mission aims at providing global above ground forest biomass. Its payload is a UHF synthetic aperture radar. At UHF ionospheric effects, notably the group delay and phase advance, the Faraday ... -
Feasibility of precise navigation in high and low latitude regions under scintillation conditions
Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Rovira Garcia, Adrià; Camps Carmona, Adriano José; Riba Sagarra, Jaume; Barbosa, José; Blanch Llosa, Estefania; Altadill, David; Orús Pérez, Raul (2018-02-06)
Article
Accés obertScintillation is one of the most challenging problems in Global Navigation Satellite Systems (GNSS) navigation. This phenomenon appears when the radio signal passes through ionospheric irregularities. These irregularities ... -
Improved characterization and modeling of equatorial plasma depletions
Blanch Llosa, Estefania; Altadill, David; Juan Zornoza, José Miguel; Camps Carmona, Adriano José; Barbosa, José; González Casado, Guillermo; Riba Sagarra, Jaume; Sanz Subirana, Jaume; Vázquez Grau, Gregorio; Orús Pérez, Raul (2018-08-22)
Article
Accés obertThis manuscript presents a method to identify the occurrence of Equatorial Plasma Bubbles (EPBs) with data gathered from receivers of Global Navigation Satellite System (GNSS). This method adapts a previously existing ... -
Improved modelling of ionospheric disturbances for remote sensing and navigation
Camps Carmona, Adriano José; Barbosa, José; Juan Zornoza, José Miguel; Blanch Llosa, Estefania; Altadill, David; González Casado, Guillermo; Vázquez Grau, Gregorio; Riba Sagarra, Jaume; Orus-Perez, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialA generic software tool to evaluate the impact of ionospheric disturbances is presented, including low and high latitude physically-based models, and low and high frequency fluctuations. This tool has been developed ... -
Ionospheric scintillation model limitations and impact in GNSS-R missions
Camps Carmona, Adriano José; González Casado, Guillermo; Juan Zornoza, José Miguel; Hyuk, Park; Barbosa, José (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertThe ionosphere impacts radio-wave propagation, notably up to a few GHz. The main applications impacted by the ionosphere are GNSS positioning and timing, Earth Observations (especially low frequency SAR missions e.g. ... -
Ionospheric scintillation models: An inter-comparison study using GNSS data
Camps Carmona, Adriano José; Molina Ordóñez, Carlos; González Casado, Guillermo; Juan Zornoza, José Miguel; Lemorton, Joël; Fabbro, Vincent; Mainvis, Aymeric; Barbosa, José; Orús Pérez, Raul (IntechOpen, 2023-06-21)
Capítol de llibre
Accés obertExisting climatological ionosphere models, for example, GISM, SCIONAV, WBMOD, and STIPEE, have known limitations that prevent their wide use. In the framework of ESA study “Radio Climatology Models of the Ionosphere: Status ... -
Ionospheric scintillation monitoring using GNSS-R?
Camps Carmona, Adriano José; Hyuk, Park; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Barbosa, José; Fabbro, V; Lemorton, J; Orús Pérez, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThe characterization of the ionosphere and its impact on the propagation of radio-wave signals has received an increasing interest for satellite communications, Global Navigation Satellite Systems (GNSS) applications (i.e. ... -
Microwave imaging radiometers by aperture synthesis performance simulator (part 2): instrument modeling, calibration, and image reconstruction algorithms
Camps Carmona, Adriano José; Hyuk, Park; Kang, Yujin; Bandeiras, J.; Barbosa, José; Vieira, Paula; Friaças, Ana; d'Addio, Salvatore (2016-05-12)
Article
Accés obertThe Synthetic Aperture Interferometric Radiometer Performance Simulator (SAIRPS) has been a three-year project sponsored by the European Space Agency (ESA) to develop a completely generic end-to-end performance simulator ... -
Microwave imaging radiometers by aperture synthesis— performance simulator (part 1): radiative transfer module
Camps Carmona, Adriano José; Hyuk, Park; Bandeiras, J.; Barbosa, José; Sousa, Anna; d'Addio, Salvatore; Martin-Neira, Manuel (2016-05-11)
Article
Accés obertThe Synthetic Aperture Interferometric Radiometer Performance Simulator (SAIRPS) is a three-year project sponsored by the European Space Agency (ESA) to develop a completely generic end-to-end performance simulator of ... -
Model Design
Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
Report de recerca
Accés restringit per acord de confidencialitat -
SAIRPS: a generic simulator for evaluation of synthetic aperture interferometric radiometers
Camps Carmona, Adriano José; Hyuk, Park; Kang, Yujin; Barbosa, José; Bandeiras, J.; Vieira, Paula; Friaças, Ana; D'Addio, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialESA's SMOS mission has been a cornerstone in passive Earth Observation, since it has provided for the first time ever with global and frequent observations of Soil Moisture and Ocean Salinity (where the mission acronym ... -
SMOS instrument performance after more than 8 years in orbit and lessons learnt for future L-band missions
Martín Neira, Manuel; Oliva Balagué, Roger; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; Kainulainen, Juha; Closa Soteras, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph; Díez, Raúl; Turiel, Antonio; González Gambau, Verónica (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorial -
SMOS instrument performance and calibration after 6 years in orbit
Martín Neira, Manuel; Oliva, Roger; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; Kainulainen, Juha; Closa, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertESA’s Soil Moisture and Ocean Salinity (SMOS) mission has been in orbit for over 6 years, and its Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) in two dimensions keeps working well. The data for almost this ... -
SMOS instrument performance and calibration after six years in orbit
Martín Neira, Manuel; Oliva, Roger; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria; Durán Martínez, Israel; Torres Torres, Francisco; Kainulainen, Juha; Closa, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Anterrieu, E.; Barbosa, José; Tenerelli, Joseph; Turiel, Antonio; Delwart, Steven (2016-07-01)
Article
Accés obertESA's Soil Moisture and Ocean Salinity (SMOS) mission, launched 2-Nov-2009, has been in orbit for over 6 years, and its Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) in two dimensions keeps working well. The ... -
SMOS third mission reprocessing after 10 years in orbit
Oliva Balagué, Roger; Martín Neira, Manuel; Corbella Sanahuja, Ignasi; Closa Soteras, Josep; Zurita Campos, Alberto Manuel; Cabot, François; Khazaal, Ali; Richaume, Philippe; Kainulainen, Juha; Barbosa, José; Lopes, Gonçalo; Tenerelli, Joseph; Díez García, Raúl; González Gambau, Verónica; Crapolicchio, Raffaele (Multidisciplinary Digital Publishing Institute (MDPI), 2020-05-01)
Article
Accés obertAfter more than 10 years in orbit, the SMOS team has started a new reprocessing campaign for the SMOS measurements, which includes the changes in calibration and image reconstruction that have been made to the Level 1 ... -
Updated ionospheric module for Esa Biomass Mission end-to-end performance simulator
Camps Carmona, Adriano José; Barbosa, José; Nestoras, Ioannis; Jordão, Adriano; Sanjuán Ferrer, María José; Rodríguez Cassola, Marc; Queiroz de Almeid, Vinicius; Betancourt Payan, Felipe (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertESA’s BIOMASS is the seventh Earth Explorer mission. It will be devoted to the global monitoring of: 1) above ground forest biomass and biomass change maps with an accuracy < 20%, a 100-200 m spatial resolution, and 6-12 ... -
Validation Plan
Barbosa, José; Camps Carmona, Adriano José; Juan Zornoza, José Miguel; Orús Pérez, Raul (2017-07-10)
Report de recerca
Accés restringit per acord de confidencialitat