Enviaments recents

  • A generic level 1 simulator for spaceborne GNSS-R missions and application to GEROS-ISS ocean reflectometry 

    Hyuk, Park; Camps Carmona, Adriano José; Pascual Biosca, Daniel; Kang, Yujin; Onrubia Ibáñez, Raúl; Querol Borràs, Jorge; Alonso Arroyo, Alberto (2017-07-18)
    Article
    Accés obert
    In the past decade Global Navigation Satellites System Reflectometry (GNSS-R) has emerged as a new technique for earth remote sensing for various applications, such as ocean altimetry and sea state monitoring. After the ...
  • Effect of atmospheric anisoplanatism on earth-to-satellite time transfer over laser communication links 

    Belmonte Molina, Aniceto; Taylor, Michael T.; Hollberg, Leo; Kahn, J. M. (2017-07-10)
    Article
    Accés obert
    The need for an accurate time reference on orbiting platforms motivates study of time transfer via free-space optical communication links. The impact of atmospheric turbulence on earth-to-satellite optical time transfer ...
  • Interferometric orbit determination for geostationary satellites 

    Martin Fuster, Roger; Fernández Usón, Marc; Broquetas Ibars, Antoni (2017-06-01)
    Article
    Accés restringit per política de l'editorial
    Future GeoSAR missions are expected to provide higher resolution radar images featuring shorter revisit times by locating a radar payload on-board of a geostationary satellite. One of the main challenges in GeoSAR processing ...
  • Observation of optical vortex streets in walking-second harmonic generation 

    Molina Terriza, Gabriel; Dmitri, V Petrov; Recolons Martos, Jaume; Torner Sabata, Lluís (2002-04-15)
    Article
    Accés restringit per política de l'editorial
    We report what is believed to be the first experimental observation of spontaneous nucleation of arrays of optical vortices in the process of second-harmonic generation in a crystal with moderate Poynting vector walk-off, ...
  • Optical metrology techniques harness structured light beams 

    Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (2017-03-08)
    Article
    Accés restringit per política de l'editorial
    This approach holds promise for advancing laser remote sensing, fluid dynamics and profilometry.
  • Performance assessment of time–frequency RFI mitigation techniques in microwave radiometry 

    Querol Borràs, Jorge; Onrubia Ibáñez, Raúl; Alonso Arroyo, Alberto; Pascual Biosca, Daniel; Hyuk, Park; Camps Carmona, Adriano José (2017-02-14)
    Article
    Accés obert
    Radio–frequency interference (RFI) signals are a well-known threat for microwave radiometry (MWR) applications. In order to alleviate this problem, different approaches for RFI detection and mitigation are currently under ...
  • Roadmap on structured light 

    Rubinsztein-Dunlop, Halina; Forbes, Andrew; Berry, M. V.; Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (Institute of Physics (IOP), 2017)
    Article
    Accés obert
    Structured light refers to the generation and application of custom light fields. As the tools and technology to create and detect structured light have evolved, steadily the applications have begun to emerge. This roadmap ...
  • GNSS-R altimetry performance analysis for the GEROS experiment on board the international space station 

    Camps Carmona, Adriano José; Hyuk, Park; Sekulic, Ivan; Rius Casals, Juan Manuel (MDPI AG, 2017-07-06)
    Article
    Accés obert
    The GEROS-ISS (GNSS rEflectometry, Radio Occultation and Scatterometry onboard International Space Station) is an innovative experiment for climate research, proposed in 2011 within a call of the European Space Agency ...
  • Performance evaluation of a floating lidar buoy in nearshore conditions 

    Gutiérrez Antuñano, Miguel Ángel; Tiana Alsina, Jordi; Rocadenbosch Burillo, Francisco (2017-05-29)
    Article
    Accés restringit per política de l'editorial
    This work provides a signal-processing and statistical-error analysis methodology to assess key performance indicators for a floating Doppler wind lidar. The study introduces the raw-to-clean data processing chain, error ...
  • Current research in lidar technology used for the remote sensing of atmospheric aerosols 

    Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (MDPI AG, 2017-06-20)
    Article
    Accés obert
    Lidars are active optical remote sensing instruments with unique capabilities for atmospheric sounding. A manifold of atmospheric variables can be profiled using different types of lidar: concentration of species, wind ...
  • MERITXELL: the Multifrequency Experimental Radiometer with Interference Tracking for Experiments over Land and Littoral—instrument description, calibration and performance 

    Querol Borràs, Jorge; Tarongí Bauzá, José Miguel; Forte Véliz, Giuseppe Francesco; Gómez López, José Javier; Camps Carmona, Adriano José (2017-05-10)
    Article
    Accés obert
    MERITXELL is a ground-based multisensor instrument that includes a multiband dual-polarization radiometer, a GNSS reflectometer, and several optical sensors. Its main goals are twofold: to test data fusion techniques, and ...
  • Spatiotemporal evolution of a severe winter dust event in the western Mediterranean: Aerosol optical and physical properties 

    Titos, G.; Ealo, Marina; Pandolfi, Marco; Perez, N.; Sola Salvatierra, Yolanda; Sicard, Michaël; Comerón Tejero, Adolfo; Querol Carceller, Xavier; Alastuey, Andres (2017-05-16)
    Article
    Accés obert
    An outstanding Saharan dust event affected the Iberian Peninsula during winter 2016 (20 to 25 February). The impact of this event on ambient PM10 surface levels and its spatial and temporal evolution was investigated by ...

Mostra'n més