Exploració per autor "Kumar, Dhiraj"Més informació

Ara es mostren els items 11-20 de 20

    • 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)
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      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)
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      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; 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 ...

    • 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: ...

    • 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 ...