Recent Submissions

  • 3Cat-3/MOTS nanosatellite mission for optical multispectral and GNSS-R Earth Observation: concept and analysis 

    Castellvi Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Multidisciplinary Digital Publishing Institute (MDPI), 2018-01-06)
    Article
    Open Access
    The 3Cat-3/MOTS (3: Cube, Cat: Catalunya, 3: 3rd CubeSat mission/Missió Observació Terra Satèl·lit) mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica ...
  • On the amount of information content in microwave radiometry for wet delay estimation 

    Gual de Torrella, José María; Camps Carmona, Adriano José (2017-07-01)
    Article
    Open Access
    This paper aims at determining the set of optimum frequencies to be used in the companion microwave radiometers in future synthetic aperture radar altimeters, to provide higher spatial resolution of the atmospheric water-vapor ...
  • An architecture providing depolarization ratio capability for a multi-wavelength Raman lidar: implementation and first measurements 

    Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Granados Muñoz, María José; Ben Chahed, Enis; Muñoz Porcar, Constantino; Barragán Cuesta, Rubén; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Vidal, Eric (MDPI AG, 2017-12-20)
    Article
    Open Access
    A new architecture for the measurement of depolarization produced by atmospheric aerosols with a Raman lidar is presented. The system uses two different telescopes: one for depolarization measurements and another for ...
  • 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
    Open Access
    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
    Open Access
    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
    Restricted access - publisher's policy
    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
    Restricted access - publisher's policy
    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
    Restricted access - publisher's policy
    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
    Open Access
    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
    Open Access
    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
    Open Access
    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
    Restricted access - publisher's policy
    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 ...

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