Exploració per tema "Faraday rotation"

Ara es mostren els items 1-11 de 11

    • 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 obert
      ESA'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 ...

    • CEMS and Faraday rotation study of gamma-Fe2O3-Fe3O4 films obtained by a new pyrolisis technique 

      Cusidó Fàbregas, Joan Antoni; Obradors, Xavier; Fontcuberta, Josep; Isalgué Buxeda, Antonio; Canal Bienzobas, Fernando (1987-01-10)
      Article
      Accés restringit per política de l'editorial

    • Experimental measurements of radio signal attenuation and Faraday rotation in an inductively coupled plasma facility 

      Felgueiras Luis, Diana Zaida; Viladegut, Alan; Camps Carmona, Adriano José; Chazot, Olivier (Karman Institute for Fluid Dynamics, 2023)
      Text en actes de congrés
      Accés obert
      Spacecraft entering a planetary atmosphere are surrounded by a plasma layer containing high levels of ionization due to the high temperatures on the shock layer. The high electron number densities cause attenuation and ...

    • Faraday rotation angle retrieval using SMOS radiometric data 

      Wu, Lin; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      SMOS radiometric data is used to derive Faraday rotation for a number of orbits combining several scenarios: land, ice and water. Results compare very well with the values theoretically predicted from available ionosphere ...

    • Faraday rotation retrieval using SMOS radiometric data 

      Corbella Sanahuja, Ignasi; Wu, Lin; Torres Canals, Francesc; Duffo Ubeda, Núria; Martín Neira, Manuel (2015-03-01)
      Article
      Accés obert
      Faraday rotation is dynamically computed from L-band radiometric data acquired by the Soil Moisture and Ocean Salinity satellite. Improved full polarimetric image reconstruction and smart spatiotemporal filtering are used ...

    • Ionospheric signal propagation simulator for earth observation missions 

      Fernández Niño, Elena; Molina Ordóñez, Carlos; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      Following the discovery of the ionosphere by Marconi in 1901, different disciplines have been influenced from the ionospheric effects on radio-waves, such as communications or Earth Observation missions. The ionosphere ...

    • Matlab tool to evaluate the propagation of electromagnetic waves in the ionosphere at HF and VHF 

      Fernández Niño, Elena (Universitat Politècnica de Catalunya, 2022-02-08)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      This M. Eng. is devoted to the study of the effects produced during the propagation of electromagnetic waves through an ionized medium, the ionosphere, in the presence of a magnetic field. For this purpose, a review of the ...

    • New methodology for the Faraday rotation angle retrieval in the SMOS field of view 

      Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this work, a new methodology to estimate the Faraday Rotation Angle (FRA) from SMOS full-pol brightness temperature is presented. This approach is focused on retrieving the Vertical Total Electron Content (VTEC) and ...

    • Refining the methodology to correct the faraday rotation angle from SMOS measurements 

      Rubino, Roselena; Duffo Ubeda, Núria; González Gambau, Verónica; Corbella Sanahuja, Ignasi; Durán Martínez, Israel; Torres Torres, Francisco; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this work, a refined methodology to correct the Faraday Rotation angle (FRA) for the SMOS mission is proposed. The method is based on calculating the FRA using the SMOS full-pol radiometric data to obtain VTEC maps ...

    • 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 obert
      ESA’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 of global ionospheric models using long-term observations of pulsar Faraday rotation with the LOFAR radio telescope 

      Porayko, Nataliya; Mevius, Maaijke; Hernández Pajares, Manuel; Tiburzi, Caterina; Olivares Pulido, Germán; Liu, Qi; Verbiest, Joris; Künsemöller, Jörn; Krishnakumar, Moochickal Ambalappat; Bak Nielsen, Ann Sofie; Brüggen, Marcus; Graffigna, Victoria; Dettmar, Ralf Jürgen; Kramer, Michael (Springer Nature, 2023-12-13)
      Article
      Accés obert
      Broad band pulsar radiation can be effectively used to monitor the properties of the magneto-ionic media through which it propagates. Faraday rotation calculated from polarised pulsar observations provides an integrated ...