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    • MERIT Erasmus Mundus: an opportunity for international cooperation in remote sensing in Europe 

      Torres Torres, Francisco; Wiesbeck, Werner; Beccari, Claudio; Macq, Bonoist (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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      MERIT is a research-oriented Joint European Master on Information and Communication Technologies funded by the Erasmus Mundus program of the European Community. Its well funded scholarship scheme offers an outstanding ...

    • Method of moments applied to the analysis of rough surfaces modelled by fractals 

      Vall-Llossera Ferran, Mercedes Magdalena; Duffo Ubeda, Núria; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco (2000)
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      The Scattering and Emissivity of rough surfaces involve solutions to non-linear differential equations. Different approaches have been used in the literature to obtain approximate solutions under some hypothesis. For example ...

    • Millimeter-wave aperture synthesis for remote sensing of the Earth 

      Harvey, Andrew R.; Greenaway, Alain H.; Camps Carmona, Adriano José; Bará Temes, Francisco Javier; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Martín Neira, Manuel (1998)
      Text en actes de congrés
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      Millimetre-wave radiometry of the earth's surface from Low Earth Orbit (LEO) with a resolution of a few km requires antenna apertures several metres across and sub-second scanning times. Fulfilling these requirements with ...

    • Millimeter-wave aperture synthesis radiometry for snow and ice mapping 

      Harvey, A.R.; Greenaway, A.H.; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Bará Temes, Francisco Javier; Martín Neira, Manuel (1999)
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      An outline design for a dual-band mm-wave polarimetric SAIR has been presented and is considered to be tractable. The envisaged application is for snow and ice mapping and ocean wind vector measurement. The vastly increased ...

    • MIRAS calibration and performance: results from the SMOS in-orbit commissioning phase 

      Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; González Gambau, Veronica; Pablos Hernández, Miriam; Durán Martínez, Israel; Martín Neira, Manuel (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-09)
      Article
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      After the successful launching of the Soil Moisture and Ocean Salinity satellite in November 2009, continuous streams of data started to be regularly downloaded and made available to be processed. The first six months of ...

    • MIRAS characterization and monitoring during the SMOS In-Orbit Commissioning Phase 

      Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Martín-Neira, Manuel; Duffo Ubeda, Núria; González-Gambau, Verónica; Camps Carmona, Adriano José; Vall-Llossera Ferran, Mercedes Magdalena (2009)
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    • MIRAS end-to-end calibration: application to SMOS L1 processor 

      Vall-Llossera Ferran, Mercedes Magdalena; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Camps Carmona, Adriano José; Colliander, A; Martín Neira, Manuel; Ribó Vedrilla, Serni; Rautiainen, K; Duffo Ubeda, Núria (IEEE Press. Institute of Electrical and Electronics Engineers, 2005-05)
      Article
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      End-to-end calibration of the Microwave Imaging Radiometer by Aperture Synthesis (MIRAS) radiometer refers to processing the measured raw data up to dual-polarization brightness temperature maps over the earth's surface, ...

    • MIRAS End-to-End Calibration: Application to SMOS L1 Processor 

      Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Camps Carmona, Adriano José; Colliander, Andreas; Martín Neira, Manuel; Ribó Vedrilla, Serni; Rautiainen, Kimmo; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-05-31)
      Article
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      End-to-end calibration of the Microwave Imaging Radiometer by Aperture Synthesis (MIRAS) radiometer refers to processing the measured raw data up to dual-polarization brightness temperature maps over the earth's surface, ...

    • La Misión de oportunidad SMOS de la serie Earth Explorer. Radiometría por síntesis de apertura para la medida de la humedad del suelo y la salinidad del océano 

      Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2000)
      Article
      Accés obert
      Desde medi ados de los años 80, di versas Agencias Espaciales han prestado una atención a los ll amados radiómetros interferométricos por síntesis de apertura. Estos in strumentos ofrecen por primera vez un salto ...

    • Mitigation of cross-polar antenna pattern errors in SMOS: simplified approach 

      Durán Martínez, Israel; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Duffo Ubeda, Núria; Lin, Wu; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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      This paper analyzes a simplified image reconstruction method that exclusively takes into account the dominant antenna pattern terms to model image inversion artifacts and mitigate SMOS polarimetric spatial bias over the ...

    • Modelado físico de transistores MESFET y HEMT 

      Lázaro, A; Pradell i Cara, Lluís; Torres Torres, Francisco (1994)
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      Models are developed for the de I-V curves and microwave small-signal parameters of the GaAs MESFET and HEMT. In the first step, the concept of a local small-signal equivalent circuit is introduced. In the second step, a ...

    • Modelado temporal de ruido de fase en osciladores y estudio de su impacto en sistemas de teledetección a frecuencias de microondas 

      de Porrata, Ramir; Broquetas Ibars, Antoni; Torres Torres, Francisco (1994)
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      Phase noise is nowadays one of the most challenging limitations on radar systems sensitivity and its effects are specially important in remote sensing systems such as scatterometers and synthetic aperture radars. However, ...

    • Modeling the radiometric signatures of the Earth from space: a tool to study the performance of new radiometers 

      Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Abad, A. (1998)
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      In the last years two new kinds of microwave radiometers are being studied for Earth observation: aperture synthesis interferometric radiometers and polarimetric radiometers. The first ones are formed by an array of small ...

    • Mutual coupling effects on antenna radiation pattern: An experimental study applied to interferometric radiometers 

      Camps Carmona, Adriano José; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Paco, P De (1998-11)
      Article
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      Antenna pattern mismatches are one of the most important error sources in planned Earth-observation interferometric radiometers. From a low Earth orbit, the wide field of view, about ±30°, leads to the use of antennas with ...

    • 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)
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      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 ...

    • New radiometers: SMOS-a dual pol L-band 2D aperture synthesis radiometer 

      Kerr, Yann H.; Waldteufel, Philippe; Camps Carmona, Adriano José; Bará Temes, Francisco Javier; Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena (Institute of Electrical and Electronics Engineers (IEEE), 2000)
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      Since the mid 1980s, aperture synthesis interferometric radiometers have received increased attention to monitor the Earth at low microwave frequencies (L-band), where there is a maximum sensitivity to soil moisture and ...

    • New tools to motivate STEM students towards early-career self-management 

      Torres Torres, Francisco; Kopecká, Eva; Garrido Soriano, Núria; Pechová, Helena; Silvestre Bergés, Santiago; Hrad, Jaromír; Zeman, Tomáš (Universitat Politècnica de Catalunya, 2022-09)
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      The Universitat Politècnica de Catalunya (UPC), the Czech Technical University in Prague (CTU) and the Universidade de Lisboa have recently undertaken the Engine4STEMers project, a joint initiative devoted to generating a ...

    • New tools to motivate STEM students towards early-career self-management 

      Torres Torres, Francisco; Kopecká, Eva; Garrido Soriano, Núria; Pechová, Helena; Silvestre Bergés, Santiago; Hrad, Jaromír; Zeman, Tomáš (Universitat Politècnica de Catalunya, 2022-09)
      Text en actes de congrés
      Accés obert
      The Universitat Politècnica de Catalunya (UPC), the Czech Technical University in Prague (CTU) and the Universidade de Lisboa have recently undertaken the Engine4STEMers project, a joint initiative devoted to generating a ...

    • New tools to motivate STEM students towards early-career self-management 

      Torres Torres, Francisco; Kopecká, Eva; Garrido Soriano, Núria; Pechová, Helena; Silvestre Bergés, Santiago; Hrad, Jaromír; Zeman, Tomáš (European Society for Engineering Education (SEFI), 2022)
      Comunicació de congrés
      Accés obert
      The Universitat Politècnica de Catalunya (UPC), the Czech Technical University in Prague (CTU) and the Universidade de Lisboa have recently undertaken the Engine4STEMers project, a joint initiative devoted to generating a ...

    • Novel approach to second order microwave pll 

      Torres Torres, Francisco; Corbella Sanahuja, Ignasi (1991-10)
      Article
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