Ara es mostren els items 1-20 de 20

  • Actividades españolas en el marco del proyecto CHARMEX desde 2009: un resumen 

    Sicard, Michaël; Pey, Jorge; Cerro, José Carlos; Lange Vega, Diego; Caballero, Sandra; Tovar Sanchez, Antonio; Morales Baquero, Rafael; Comerón Tejero, Adolfo; Bujosa, Carles; Querol Carceller, Xavier; Artiñano, Begoña; Alados Arboledas, Lucas; Alastuey, Andres; Rocadenbosch Burillo, Francisco; Muñoz, Alvaro; Muñoz Porcar, Constantino; García Vizcaíno, David; Bach, Jordi; Bush, Xavier (2014)
    Text en actes de congrés
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    El proyecto ChArMEx (Chemistry-Aerosol Mediterranean Experiment) es una iniciativa francesa cuyo objetivo es desarrollar y coordinar las acciones de investigación regionales para una evaluación científica de la situación ...
  • Anemómetro laser doppler para la medida de dos componentes de velocidad para aplicaciones hidrodinamicas (2d-lda) 

    García Vizcaíno, David; Dios Otín, Víctor Federico; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino (Universidad Europea de Madrid, 2001)
    Text en actes de congrés
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    A Laser Doppler Anemometer system designed to measure two components of the velocity vector in fluids is presented. The scheme followed is the differential technique with backward scattering ...
  • Assimilation of lidar signals: application to aerosol forecasting in the Mediterranean basin 

    Wang, Y; Sartelet, K. N.; Bocquet, M.; Sicard, Michaël; Comerón Tejero, Adolfo; García Vizcaíno, David; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco (2014-11-17)
    Article
    Accés obert
    This paper presents a new application of assimilating lidar signals to aerosol forecasting. It aims at investigating the impact of a ground-based lidar network on the analysis and short-term forecasts of aerosols through ...
  • Atmospheric aerosol measurement with a network of advanced lidar instruments 

    Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; García Vizcaíno, David (2013-03-11)
    Article
    Accés restringit per política de l'editorial
    A European network of atmosphere sensors uses multi-wavelength elastic-Raman lidar instruments in its infrastructure.
  • Cálculo teórico de la relación señal a ruido en función del tamaño de la apertura receptora de un anemómetro láser doppler (LDA) 

    García Vizcaíno, David; Recolons Martos, Jaume; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (2004-09)
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    From the expressions by Adrian and Earley (Proceeding of Minessota Symposium on Laser Anemometry, University of Minessota, Dept. of Conference, Minneapolis, 1976), we have calculated the signal-to-noise ratio of a Laser ...
  • Concept design of a multiwavelength aerosol lidar system with mitigated diattenuation effects and depolarization-measurement capability 

    Comerón Tejero, Adolfo; Sicard, Michaël; Vidal Calvo, Eric; Barragán Cuesta, Rubén; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Tiana Alsina, Jordi; Rocadenbosch Burillo, Francisco; García Vizcaíno, David (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    It is known that the retrieval of aerosol extinction and backscatter coefficients from lidar data acquired through so-called total-power channels – intended to measure the backscattered power irrespective of the polarization ...
  • EARLINET: potential operationality of a research network 

    Sicard, Michaël; D'Amico, Giuseppe; Comerón Tejero, Adolfo; Mona, Lucia; Alados Arboledas, Lucas; Amodeo, Aldo; Baars, Holger; Baldasano Recio, José María; Belegante, Livio; Binietoglou, Ioannis; Bravo Aranda, Juan Antonio; Fernández García, Alfonso; Fréville, Patrick; García Vizcaíno, David; Giunta, Aldo; Granados Muñoz, Maria; Guerrero Rascado, Juan Luis; Hadjimitsis, D.; Haefele, A.; Hervo, M.; Iarlori, M.; Kokkalis, P; Lange Vega, Diego; Mamouri, Rodanthi-Elisavet; Mattis, Ina; Molero, Francisco; Montoux, Nadège; Muñoz, Alvaro; Muñoz Porcar, Constantino; Navas Guzmán, Francisco; Nicolae, D.; Nisantzi, A.; Papagiannopoulos, N.; Papayannis, Alexander; Pereira, Sérgio; Preissler, Jana; Pujadas Cordero, Manuel; Rizi, Vicenzo; Rocadenbosch Burillo, Francisco; Sellegri, Karine; Simeonov, Valentin; Tsaknakis, G.; Wagner, Frank; Pappalardo, Gelsomina (2015-11-02)
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    In the framework of ACTRIS (Aerosols, Clouds, and Trace Gases Research Infrastructure Network) summer 2012 measurement campaign (8 June–17 July 2012), EARLINET organized and performed a controlled exercise of feasibility ...
  • Effects of noise on lidar data inversion with the backward algorithm 

    Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; López Márquez, Miguel Ángel; Rodríguez Gómez, Alejandro Antonio; Muñoz, Constantino; García Vizcaíno, David; Sicard, Michaël (Optical Society of America, 2004-04-30)
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    Accés obert
  • Extensive operators in partition lattices for image sequence analysis 

    Garrido Ostermann, Luis; Salembier Clairon, Philippe Jean; García Vizcaíno, David (1998-04)
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    Accés restringit per política de l'editorial
    This paper deals with the class of extensive operators in the lattice of partitions. These operators are merging techniques. They can be used as filtering tools or as segmentation algorithms. In the first case, they are ...
  • Homodyne laser radar system for surface displacement monitoring 

    Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; García Vizcaíno, David (SPIE-INT SOCIETY OPTICAL ENGINEERING, 2001-03-31)
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    Accés obert
    A prototype of a homodyne laser radar system for surface displacement monitoring using the reference beam technique is presented. The prototype is very simple, is easy to align and focus, and is able to measure the velocity ...
  • Intense dust and extremely fresh biomass burning outbreak in Barcelona, Spain: Characterization of their optical properties and estimation of their direct radiative forcing 

    Sicard, Michaël; Mallet, Maëlle; García Vizcaíno, David; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Dubuisson, P.; Muñoz Porcar, Constantino (2012-07)
    Article
    Accés restringit per política de l'editorial
    An extremely fresh smoke plume (<5 h) was transported over Barcelona on 23 July 2009, just 5 h after an intense Saharan dust event finalized. Both events were observed by sun-photometer, lidar and satellite systems. Results ...
  • Medida del perfil de velocidad de un líquido en un tubo de sección circular mediante un radar láser 

    García Vizcaíno, David; Recolons Martos, Jaume; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (2007-09)
    Text en actes de congrés
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    In this paper we present the measures of the profile or velocity gradient of a liquid (water) across a circular section pipe in laminar state, by means of a two-dimension laser radar system (2D-LDA) designed by the ...
  • Mixed-Layer depth determination in the Barcelona coastal area from regular Lidar measurements: methods, results and limitations 

    Sicard, Michaël; Pérez, Carlos; Rocadenbosch Burillo, Francisco; Baldasano Recio, José María; García Vizcaíno, David (Kluwer, 2006-04-30)
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    Accés obert
  • On the choice of the number of samples in laser Doppler anemometry signal processing 

    Dios Otín, Víctor Federico; Comerón Tejero, Adolfo; García Vizcaíno, David (2001-05)
    Article
    Accés obert
    The minimum number of samples that must be taken from a sinusoidal signal affected by white Gaussian noise, in order to find its frequency with a predetermined maximum error, is derived. This analysis is of interest in ...
  • Origin and pathways of the mineral dust transport to two Spanish EARLINET sites: effect on the observed columnar and range-resolved dust optical properties 

    Mandija, Florian; Sicard, Michaël; Comerón Tejero, Adolfo; Alados Arboledas, Lucas; Guerrero Rascado, Juan Luis; Barragán Cuesta, Rubén; Bravo Aranda, J. A.; Granados Muñoz, María José; Lyamani, H.; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez, Alejandro; García Vizcaíno, David; Valenzuela, Antonio (2017-05-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, is presented a method for estimation of the effect of the transport process to aerosol optical properties. Aerosol optical data retrieved by lidars and sun-photometer measurements, are applied to Saharan ...
  • Remote sensing mediante lidar en la UPC 

    Rocadenbosch Burillo, Francisco; Sicard, Michaël; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; López Márquez, Miguel Ángel; García Vizcaíno, David; Agishev, Ravil R. (?, 2003-12-31)
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    Accés obert
  • Seasonal variability of aerosol optical properties observed by means of a Raman lidar at an EARLINET site over Northeastern Spain 

    Sicard, Michaël; Rocadenbosch Burillo, Francisco; Md. Reba, Mohd Nadzri; Comerón Tejero, Adolfo; Tomás Martínez, Sergio; García Vizcaíno, David; Batet Torrell, Óscar; Barrios Porras, Ricardo Alfonso; Kumar, Dhiraj; Baldasano Recio, José María (2011-01-11)
    Article
    Accés obert
    The annual and seasonal variability of aerosol optical properties observed by means of a Raman lidar over Northeastern Spain has been assessed. The lidar representativeness has first been checked against sun-photometer ...
  • Seasonal variability of aerosol optical properties observed by means of an elastic-Raman lidar over Northeastern Spain 

    Kumar, Dhiraj; Sicard, Michaël; Reba Mohd Nadzri, Md; Rocadenbosch Burillo, Francisco; Comerón Tejero, Adolfo; Tomás Martínez, Sergio; García Vizcaíno, David; Batet Torrell, Óscar; Barrios Porras, Ricardo Alfonso (2010-06-01)
    Comunicació de congrés
    Accés obert
    The annual and seasonal variability of aerosol optical properties observed by means of an elastic-Raman lidar over Northeastern Spain has been assessed. The lidar representativeness has first been checked against un-photometer ...
  • Sistema lidar heterodino para medida de desplazamiento de superficies 

    García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Eslava, JA; Comerón Tejero, Adolfo; Dios Otín, Víctor Federico; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino (Masgrau, E. (ed.) Universidad de Zaragoza, 2000)
    Text en actes de congrés
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    Presentamos un prototipo de un sistema lidar (radar láser) de onda continua heterodino de baja potencia, para la medida de la velocidad de desplazamiento de superficies. Ofrece simplicidad y fácil alineación de ...
  • Speed measurements with a continuous wave lidar prototype 

    Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Batet Torrell, Óscar; García Vizcaíno, David; Rocadenbosch Burillo, Francisco; Sicard, Michaël (2007)
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    The UPC lidar group is developing a Doppler wind lidar based on the “edge-technique” [1]. Such systems use the slope of a high resolution optical filter as frequency discriminator. A laboratory prototype, able to measure ...