• Advances in calibration of the SMOS zero-baseline radiometers 

    Colliander, Andreas; Chae, Chunsik; Dinnat, Emmanuel Philippe; Oliva, Roger; Kainulainen, Juha; Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Over the course of the more than four-year mission several enhancements have been developed for the calibration of the zero-baseline radiometers of ESA's SMOS (Soil Moisture Ocean Salinity) mission. Here a particular ...
  • Analysis of Correlation and Total Power Radiometer Front-Ends Using Noise Waves 

    Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Camps Carmona, Adriano José; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Rautiainen, Kimmo; Martín Neira, Manuel; Colliander, Andreas (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-11-30)
    Artículo
    Acceso abierto
    A complete and systematic noise analysis of radiometer front-ends, including both total power and correlation measurements, is presented. The procedure uses the concepts of noise waves and S-parameters, widely used in ...
  • Analysis of correlation and total power radiometer front-ends using noise waves 

    Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Camps Carmona, Adriano José; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Rautiainen, Kimmo; Martín Neira, Manuel; Colliander, Andreas (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-11-30)
    Artículo
    Acceso abierto
    A complete and systematic noise analysis of radiometer front-ends, including both total power and correlation measurements, is presented. The procedure uses the concepts of noise waves and S-parameters, widely used in ...
  • Correlation denormalization in interferometric or polarametric radiometers: a unified approach 

    Colliander, Andreas; Torres Torres, Francisco; Corbella Sanahuja, Ignasi (IEEE, 2009-02)
    Artículo
    Acceso abierto
    This paper presents a general analysis of correlation measurements in an interferometer or a radiometer based on noise injection and/or switching and measurement of normalized correlations (e.g., imaging synthetic aperture ...
  • 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 i Vedrilla, Serni; Rautiainen, Kimmo; Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-05-31)
    Artículo
    Acceso abierto
    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, ...