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Ara es mostren els items 115-134 de 219

    • 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)
      Article
      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 ...

    • Intensity-modulated linear-frequency-modulated continuous-wave lidar for distributed media: fundamentals of technique 

      Batet Torrell, Óscar; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo; Agishev, Ravil R. (2010-06-10)
      Article
      Accés restringit per política de l'editorial
      We analyze the intensity-modulation frequency-modulated continuous-wave (FMCW) technique for lidar remote sensing in the context of its application to distributed media. The goal of the technique is the reproduction of ...

    • Inter-comparison of lidar methods for obtaining planetary boundary-layer height from a July 2012 monitoring campaign over the Iberian Peninsula in the framework of EARLINET 

      Banks, Robert Franklin; Baldasano Recio, José María; Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco (2013)
      Comunicació de congrés
      Accés obert
      The depth of the planetary boundary-layer (PBL) is defined as the height of the inversion level separating the free troposphere (FT) from the boundary-layer (Stull, 1988). Reliable representation of PBL height is important ...

    • Inter-island optical link tests 

      Comerón Tejero, Adolfo; Bará Temes, Francisco Javier; Belmonte Molina, Aniceto; Ruiz, Domingo; Czichy, Reinhard (1990-05)
      Article
      Accés obert

    • Inter-islands optical link tests 

      Comerón Tejero, Adolfo; Bará Temes, Francisco Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1990-05-01)
      Article
      Accés obert
      Free-space optical communication systems between satellites and also between a satellite and a ground station foreseen in Europe in the mid-1990's require far-field on-ground experimentation prior to launch. To identify ...

    • Inter-mountain laser communication test 

      Ruiz, Domingo; Czichy, Reinhard; Bará Temes, Francisco Javier; Comerón Tejero, Adolfo; Belmonte Molina, Aniceto; Menendez-Valdes, Pedro; Blanco, Fernando; Pedreira, C. (1990)
      Text en actes de congrés
      Accés obert
      Results are presented on laser-diode (LD) based intermountain tests carried out as a support activity to ESA's Free-space Optical Communications program to evaluate the Canary Islands (Spain) as an optical communicaton ...

    • Intercomparison of spanish advanced lidars in the framework of EARLINET 

      Sicard, Michaël; Md. Reba, Mohd Nadzri; Rocadenbosch Burillo, Francisco; Gregorio López, Eduard; Kumar, Dhiraj; Tomás, S; Comerón Tejero, Adolfo; Molero, Francisco; Pujadas, M; Guerrero Rascado, Juan Luis; Alados, L; Pedrós, R; Martinez Lozano, José Antonio (2007)
      Text en actes de congrés
      Accés obert
      To extend and reinforce the action of the EARLINET- ASOS project, a nucleus of Spanish advanced lidars was created. Four systems were intercompared satisfactorily in terms of backscatter coefficients at two elastic wavelengths.

    • Introducing the Atmospheric Thermodynamics LidAr in Space – ATLAS 

      Di Girolamo, Paolo; Behrendt, Andreas; Wulfmeyer, Volker; Comerón Tejero, Adolfo; Keckhut, Philippe; Hauchecorne, Alain; Richard, Evelyne; Marenco, Franco; Vaughan, Geraint; Rotach, Mathias; Potthast, Roland; Geer, Alan; Demoz, Belay B.; Santanello, Joseph; Whiteman, David N.; Turner, David Dave (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2018)
      Comunicació de congrés
      Accés obert
      Our understanding of the distribution of heat and water in the atmosphere still shows critical gaps on all temporal and spatial scales. This is mainly due to a lack of accurate measurements of water vapor ...

    • Investigation of representativeness of CALIPSO aerosol optical properties products by EARLINET correlative measurements 

      Alados Arboledas, Lucas; Mona, L.; Papagiannopoulos, N.; D'Amico, Giuseppe; Giunta, Aldo; Hiebsch, Anja; Wandinger, Ulla; Amodeo, Aldo; Apituley, Arnoud; Pietruczuk, Aleksander; Papayannis, Alexander; Linné, Holger; Iarlori, M.; Grigorov, Ivan V.; Freudenthaler, Volker; de Tomasi, Ferdinando; Comerón Tejero, Adolfo; Chaikovsky, Anatoli; Balis, Dimitris; Schnell, Franziska; Pappalardo, Gelsomina; Spinelli, N.; Wiegner, M. (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The almost six-years long database of aerosol and cloud vertical profiles provided by CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) is at the present the longest database of aerosol optical ...

    • Lidar intercomparisons on algorithm and system level in the frame of EARLINET. 

      Matthias, Volker; Böckmann, C.; Linné, Holger; Freudenthaler, Volker; Pappalardo, Gelsomina; Bösenberg, Jens; Amiridis, Vassilis; Amodeo, Aldo; Ansmann, Albert; Balis, Dimitris; Boselli, Antonella; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco (2002-05)
      Article
      Accés obert
      EARLINET (European Aerosol Research Lidar Network to Establish an Aerosol Climatology) is a joint project of 19 lidar groups operating aerosol lidar systems at 21 stations over a large part of Europe, plus one group ...

    • Lidar inversion of atmospheric backscatter and extinction-to-backscatter ratios by use of a Kalman filter 

      Rocadenbosch Burillo, Francisco; Soriano Ortiz, Cecilia; Comerón Tejero, Adolfo; Baldasano Recio, José María (1999-03)
      Article
      Accés restringit per política de l'editorial
      A first inversion of the backscatter profile and extinction-to-backscatter ratio from pulsed elastic-backscatter lidar returns is treated by means of an extended Kalman filter (EKF). The EKF approach enables one to overcome ...

    • Lidar inversion of atmospheric backscatter and extinction-to-backscatter ratios by use of a Kalman filter 

      Rocadenbosch Burillo, Francisco; Soriano Ortiz, Cecilia; Comerón Tejero, Adolfo; Baldasano Recio, José María (OPTICAL SOC AMER, 1999-03-01)
      Article
      Accés obert
      A first inversion of the backscatter profile and extinction-to-backscatter ratio from pulsed elastic-backscatter lidar returns is treated by means of an extended Kalman filter (EKF). The EKF approach enables one to overcome ...

    • Lidar measurements of wind velocity fields 

      Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Tomás Martínez, Sergio (Editura INOE, 2010)
      Capítol de llibre
      Accés restringit per política de l'editorial

    • Lidar with SiPM: some capabilities and limitations in real environment 

      Agishev, Ravil; Comerón Tejero, Adolfo; Bach, Jordi; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Riu Gras, Jordi; Royo Royo, Santiago (2013-07)
      Article
      Accés restringit per política de l'editorial
      The purpose of the work is to demonstrate real capabilities and to give examples of SiPMs application in lidar technology in both analog and photon counting modes. The experimental research within an operating lidar complex ...

    • Long-range transport of Saharan dust to northern Europe: The 11-16 October 2001 outbreak observed with EARLINET 

      Ansmann, Albert; Bösenberg, Jens; Chaikovsky, Anatoli; Comerón Tejero, Adolfo; Eckhardt, Sabine; Eixmann, Ronald; Freudenthaler, Volker; Ginoux, Paul; Komguem, Leonce; Linné, Holger; López Márquez, Miguel Ángel; Matthias, Volker; Mattis, Ina; Mitev, Valentin (AMER GEOPHYSICAL UNION, 2003-12-31)
      Article
      Accés obert
      The spread of mineral particles over southwestern, western, and central Europe resulting from a strong Saharan dust outbreak in October 2001 was observed at 10 stations of the European Aerosol Research Lidar Network ...

    • Measurement report: Characterization of the vertical distribution of airborne Pinus pollen in the atmosphere with lidar-derived profiles: a modeling case study in the region of Barcelona, NE Spain 

      Sicard, Michaël; Jorba Casellas, Oriol; Ho Zhang, Jiang Ji; Izquierdo Miguel, Rebeca; De Linares, Concepción; Alarcón Jordán, Marta; Comerón Tejero, Adolfo; Belmonte Soler, Jordina (European Geosciences Union (EGU), 2021-12-06)
      Article
      Accés obert
      This paper investigates the mechanisms involved in the dispersion, structure, and mixing in the vertical column of atmospheric pollen. The methodology used employs observations of pollen concentration obtained from Hirst ...

    • Measurement report: Spectral and statistical analysis of aerosol hygroscopic growth from multi-wavelength lidar measurements in Barcelona, Spain 

      Sicard, Michaël; Oliveira, Daniel Camilo Fortunato dos Santos; Muñoz Porcar, Constantino; Gil Díaz, Cristina; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Dios Otín, Víctor Federico (European Geosciences Union (EGU), 2022-06-14)
      Article
      Accés obert
      This paper presents the estimation of the hygroscopic growth parameter of atmospheric aerosols retrieved with a multi-wavelength lidar, a micro-pulse lidar (MPL) and daily radiosoundings in the coastal region ofBarcelona, ...

    • Medida de parámetros S de transistores chip hasta 40 ghz utilizando calibración TRL 

      Pradell i Cara, Lluís; Sabater, C.; Artal, E.; Comerón Tejero, Adolfo; Bará Temes, Francisco Javier; Corbella Sanahuja, Ignasi; Fortuny, J. (1990)
      Text en actes de congrés
      Accés obert

    • 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
      Accés obert
      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 ...