Ara es mostren els items 1-20 de 20

  • Backscatter error bounds for the elastic lidar two-component inversion algorithm 

    Rocadenbosch Burillo, Francisco; Frasier, S.; Kumar, Dhiraj; Lange Vega, Diego; Gregorio López, Eduard; Sicard, Michaël (Institute of Electrical and Electronics Engineers (IEEE), 2012-11)
    Article
    Accés restringit per política de l'editorial
    Total backscatter-coefficient inversion error bounds for the two-component lidar inversion algorithm (so-called Fernald's or Klett-Fernald-Sasano's method) are derived in analytical form in response to the following three ...
  • Backscattered signal level and SNR validation methodology for tropospheric elastic lidars 

    Lange, Diego; Kumar, Dhiraj; Rocadenbosch Burillo, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A methodology aimed at validating elastic-channel optical power return and signal-to-noise ratio (SNR) levels estimated at the link-budget design stage of a tropospheric lidar against the measured ones is presented. A ...
  • Concept design, analysis, and Integration of the new U.P.C. multispectral lidar system 

    Kumar, Dhiraj (Universitat Politècnica de Catalunya, 2012-07-16)
    Tesi
    Accés obert
    The increasing need for range-resolved aerosol and water-vapour atmospheric observation networks worldwide has given rise to multi-spectral LIDARs (Light Detection and Ranging, a synonym of laser radar) as advanced remote ...
  • Design and implementation of multi-spectral remote sensing capabilities in the U.P.C. lidar system 

    Kumar, Dhiraj; Rocadenbosch Burillo, Francisco (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • Determination of the overlap factor and its enhancement for medium-size tropospheric lidar systems: a ray-tracing approach 

    Kumar, Dhiraj; Rocadenbosch Burillo, Francisco (2013-01-31)
    Article
    Accés restringit per política de l'editorial
    The problem of overlap factor (OVF) computation and its near-range sensitivity for medium-size aperture ( f ∕ 10 , f ∕ 11 ) bi-axial tropospheric lidar systems using ray-tracing sim- ulation software is presented. ...
  • EARLINET instrument intercomparison campaigns: overview on strategy and results 

    Wandinger, Ulla; Freudenthaler, Volker; Baars, Holger; Amodeo, Aldo; Engelmann, Ronny; Mattis, Ina; Gross, Silke; Pappalardo, Gelsomina; Giunta, Aldo; D'Amico, Giuseppe; Chaikovsky, Anatoli; Osipenko, Fiodor; Slesar, Alexander; Nicolae, D.; Belegante, Livio; Talianu, Camelia; Serikov, I.; Linné, Holger; Jansen, Friedhelm; Apituley, Arnoud; Wilson, K.; de Graaf, Martin; Trickl, Thomas; Giehl, H.; Adam, Mariana; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Tomás Martinez, Sergio; Lange, Diego; Kumar, Dhiraj; Pujadas Cordero, Manuel; Molero, Francisco; Fernández, Alfonso J.; Alados Arboledas, Lucas; Bravo Aranda, J. A.; Navas Guzmán, Francisco; Guerrero Rascado, Juan Luis; Granados Muñoz, María José; Preissler, J.; Wagner, F.; Gausa, Michael; Grigorov, I. Ivan; Stoyanov, Dimitar Vassilev; Iarlori, M.; Rizi, Vicenzo; Spinelli, N.; Boselli, Antonella; Wang, Xuan; Lo Feudo, Teresa; Perrone, Maria-Rita; De Tomasi, Ferdinando; Burlizzi, Pasquale (2016-03-10)
    Article
    Accés obert
    This paper introduces the recent European Aerosol Research Lidar Network (EARLINET) quality-assurance efforts at instrument level. Within two dedicated campaigns and five single-site intercomparison activities, 21 EARLINET ...
  • 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.
  • Lidar ratio estimation using a two-point calibration in an turbid layer aloft 

    Rocadenbosch Burillo, Francisco; Reba, Mohd Nadzri Md.; Sicard, Michaël; Tomás Martínez, Sergio; Kumar, Dhiraj (2010)
    Comunicació de congrés
    Accés obert
  • Long-term aerosol and cloud database from correlative EARLINET-CALIPSO observations 

    Giunta, Aldo; Hiebsch, Anja; Spinelli, N.; Wandinger, Ulla; Wang, Xuan; Mattis, I.; Ansmann, Albert; Pappalardo, Gelsomina; Pietruczuk, Aleksander; Mona, L.; Rocadenbosch Burillo, Francisco; Madonna, Fabio; Tomás Martínez, Sergio; D'Amico, Giuseppe; Kumar, Dhiraj; Pujadas, Manuel; Molero, Francisco; de Tomasi, Ferdinando; Chaikovsky, Anatoli; Giannakaki, E.; Balis, Dimitris; Navas Guzmán, Francisco; Alados Arboledas, Lucas; Wilson, K.; Apituley, Arnoud; Serikov, I.; Linné, Holger; Perrone, R.M.; Papayannis, A.; Rizi, Vicenzo; Mamouri, R. E.; Stoyanov, Dimitar Vassilev; Iarlori, M.; Schnell, Franziska; Grigorov, Ivan V.; Freudenthaler, Volker; Wiegner, M. (2010)
    Text en actes de congrés
    Accés obert
    The European Aerosol Research Lidar Network, EARLINET, performs correlative observations during CALIPSO overpasses based on a sophisticated measurement strategy since June 2006. Within a dedicated activity supported ...
  • Monitoring of the Eyjafjalla volcanic plume at four lidar stations over the Iberian Peninsula: 6 to 8 May 2010 

    Silva, A.M.; Wagner, F.; Rocadenbosch Burillo, Francisco; Pujadas, Manuel; Comerón Tejero, Adolfo; Alados Arboledas, Lucas; Reba Mohd Nadzri, Md; Guerrero Rascado, Juan Luis; Sicard, Michaël; Molero, Francisco; Navas Guzmán, Francisco; Preissler, J.; Kumar, Dhiraj; Bravo Aranda, J.A.; Tomás Martínez, Sergio (2010)
    Comunicació de congrés
    Accés obert
    Lidar measurements were performed in the framework of the EARLINET and SPALINET networks during the eruption of Eyjafjalla volcano (Iceland) since 14 April 2010. The profiles of the aerosol optical properties, namely ...
  • On the lidar ratio estimation from the synergy between aeronet sun-photometer data and elastic lidar inversion 

    Reba, Mohd Nadzri Md.; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Kumar, Dhiraj; Tomás Martínez, Sergio (2010)
    Comunicació de congrés
    Accés obert
  • Optimised data-gluing method for mixed analog/photon-counting lidar signals 

    Lange, Diego; Kumar, Dhiraj; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Comerón Tejero, Adolfo (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In atmospheric LIDAR (Light Detection and Ranging) remote sensing, the dynamic range of the return power signals can span up to five orders of magnitude. Modern acquisition systems such as those based on LicelTM transient ...
  • Power budget and performance assessment for the RSLAB multispectral elastic/raman lidar system 

    Kumar, Dhiraj; Lange, Diego; Rocadenbosch Burillo, Francisco; Tomas, Sergio; Sicard, Michaël; Muñoz Porcar, Constantino; Comerón Tejero, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The need of a multi-spectral lidar has widely been experienced in last few years with a view to invert the optical and microphysical properties of aerosols and their impact on the climate change. As a part of the EARLINET-GALION ...
  • 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 ...
  • Seguimiento de las cenizas del Eyjafjalla sobre la Península Ibérica por la red de lidares hispano-portuguesa SPALINET 

    Requena, Alberto; Bolarín, Jose Miguel; Alados Arboledas, Lucas; Bravo Aranda, J.A.; Navas Guzmán, Francisco; Pujadas, Manuel; Molero, Francisco; Silva, A.M.; Sicard, Michaël; Kumar, Dhiraj; Tomás Martínez, Sergio; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Guerrero Rascado, Juan Luis; Preissler, J.; Wagner, F. (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    La reciente erupción del volcán Eyjafjallajökull es una muestra – extremada, pero de probabilidad no despreciable – de la influencia que los aerosoles atmosféricos pueden tener en la vida diaria de miles de personas y ...
  • Six-channel polychromator design and implementation for the UPC elastic/Raman LIDAR 

    Kumar, Dhiraj; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Comerón Tejero, Adolfo; Muñoz, Constantino; Lange, Diego; Tomás Martínez, Sergio; Gregorio, Eduard (SPIE, 2011)
    Comunicació de congrés
    Accés obert
    A 6-channel dichroic-based polychromator is presented as the spectrally selective unit for the U.P.C. elastic/Raman lidar. Light emission is made at 355-nm (ultraviolet, UV), 532-nm (visible, VIS) and 1064-nm (near infrared, ...
  • Study on aerosol properties over Madrid (Spain) by multiple instrumentation during SPALI10 lidar campaign 

    Molero, Francisco; Sicard, Michaël; Navas Guzmán, Francisco; Preissler, J.; Amodeo, Aldo; Freudenthaler, Volker; Fernández, J.A.; Tomás Martínez, Sergio; Granados, M.; Wagner, F.; Giunta, Aldo; Mattis, I.; Pujadas, Manuel; Comerón Tejero, Adolfo; Alados Arboledas, Lucas; Guerrero Rascado, Juan Luis; D'Amico, Giuseppe; Lange, Diego; Kumar, Dhiraj; Pappalardo, Gelsomina; Giner Nos, Joaquín José; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco (2012-11-19)
    Article
    Accés restringit per política de l'editorial
    Cuatro sistemas lidar Raman multifrecuencia (Madrid, Granada, Barcelona y Evora), tomaron medidas simultáneamente a un sistema de referencia (Potenza) para verificar su funcionamiento durante la campaña de intercomparación: ...
  • Study on aerosol properties over Madrid (Spain) by multiple instrumentation during SPALI10 lidar campaign 

    Molero, Francisco; Fernández García, Alfonso; Pujadas Cordero, Manuel; Sicard, Michaël; Tomás, Sergio; Comerón Tejero, Adolfo; Lange Vega, Diego; Kumar, Dhiraj; Giner Nos, Joaquín José; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Navas Guzmán, Francisco; Granados Muñoz, María José; Alados Arboledas, Lucas; Bravo Aranda, Juan Antonio; Preissler, J.; Wagner, F.; Guerrero Rascado, Juan Luis (2011)
    Text en actes de congrés
    Accés obert
    Understanding the effect of aerosols upon radiative forcing requ ires information about vertical profiles. Lidar techniques represent a powerful tool for studies of the vertical structure of the aerosol ...
  • Use of a field lens for improving the overlap function of a lidar system employing an optical fiber in the receiver assembly 

    Comerón Tejero, Adolfo; Sicard, Michaël; Kumar, Dhiraj; Rocadenbosch Burillo, Francisco (2011-10-01)
    Article
    Accés restringit per política de l'editorial
    This paper presents a method to compute the overlap function of a lidar system in which a step-index optical fiber (or a bundle of such fibers) is used to carry the light collected by the telescope to the photoreceiver and ...