Ara es mostren els items 1-20 de 214

    • 20/30 GHz front-end for the TMS-7 receiving station of the OLYMPUS satellite 

      Artal, E; Bará, J; Berenguer Sau, Jordi; Comerón Tejero, Adolfo; Corbella Sanahuja, Ignasi; Pradell i Cara, Lluís (1989)
      Text en actes de congrés
      Accés obert
      The authors present the 20/30-GHz front-end of the TMS-7 station for performing the measurement of the flux density of one or more signal carriers received from the OLYMPUS satellite. The front-end is composed of two ...
    • A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign 

      Granados Muñoz, María José; Sicard, Michaël; Román Díez, Roberto; Benavent Oltra, Pablo; Barragán Cuesta, Rubén; Brogniez, G.; Denjean, Cyrielle; Alados-Arboledas, L; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ...
    • A comparative analysis of aerosol optical coefficients and their associated errors retrieved from pure-rotational and vibro-rotational raman lidar signals 

      Zenteno Hernández, José Alex; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; D'Amico, Giuseppe; Sicard, Michaël (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-11)
      Article
      Accés obert
      This paper aims to quantify the improvement obtained with a purely rotational Raman (PRR) channel over a vibro-rotational Raman (VRR) channel, used in an aerosol lidar with elastic and Raman channels, in terms of signal-to-noise ...
    • A general analysis of error in noise measurement systems 

      Pradell i Cara, Lluís; Comerón Tejero, Adolfo; Ramírez González, Alejandro (Institute of Electrical and Electronics Engineers (IEEE), 1988)
      Text en actes de congrés
      Accés obert
      General and approximated expressions are presented which allow the identification and quantification of errors in noise figure measurements that use the Y-factor method. This formulation is a generalization of that in /2/ ...
    • A Methodology for investigating dust model performance using synergistic EARLINET/AERONET dust concentration retrievals 

      Binietoglou, Ioannis; Basart, Sara; Alados Arboledas, Lucas; Baldasano Recio, José María; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (2015-09-04)
      Article
      Accés obert
      Systematic measurements of dust concentration profiles at a continental scale were recently made possible by the development of synergistic retrieval algorithms using combined lidar and sun photometer data and the establishment ...
    • A network of water vapor Raman lidars for improving heavy precipitation forecasting in southern France: introducing the WaLiNeAs initiative 

      Flamant, Cyrille; Chazette, Patrick; Caumont, Olivier; Sicard, Michaël; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio (Springer, 2021-12)
      Article
      Accés obert
      Extreme heavy precipitation events (HPEs) pose a threat to human life but remain difficult to predict because of the lack of adequate high frequency and high-resolution water vapor (WV) observations in the low troposphere ...
    • About the potential of lidars with different photodetectors under daytime sky radiation 

      Agishev, Ravil R.; Comerón Tejero, Adolfo; Gilerson, Alexander (2015)
      Text en actes de congrés
      Accés obert
      Results of theoretical analysis and experimental developments implemented as advanced methods and means to improve a noise-immunity of lidar systems for practical applications are discussed. A particular attention is paid ...
    • 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
      Accés obert
      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 ...
    • Adaptive filter solution for processing lidar returns: optical parameter estimation 

      Rocadenbosch Burillo, Francisco; Vázquez Grau, Gregorio; Comerón Tejero, Adolfo (1998-10)
      Article
      Accés restringit per política de l'editorial
      Joint estimation of extinction and backscatter simulated profiles from elastic-backscatter lidar return signals is tackled by means of an extended Kalman filter (EKF). First, we introduced the issue from a theoretical point ...
    • Adaptive Filter Solution For Processing Lidar Returns: Optical Parameter Estimation 

      Rocadenbosch Burillo, Francisco; Vázquez Grau, Gregorio; Comerón Tejero, Adolfo (OPTICAL SOC AMER, 1998-01-31)
      Article
      Accés obert
      Joint estimation of extinction and backscatter simulated profiles from elastic-backscatter lidar return signals is tackled by means of an extended Kalman filter (EKF). First, we introduced the issue from a theoretical point ...
    • Advanced millimeter wave technology for mobile communications 

      Pradell i Cara, Lluís; Corbella Sanahuja, Ignasi; Comerón Tejero, Adolfo; Bará Temes, Francisco Javier; Artal, E.; Torres Torres, Francisco; Purroy, Francesc; Barlabe Dalmau, Antoni; Sales, V. (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
    • Aerosol closure study by lidar, sun photometry, and airborne optical counters during DAMOCLES field campaign at El Arenosillo sounding station, Spain 

      Guerrero Rascado, Juan Luis; Andrey, J.; Sicard, Michaël; Comerón Tejero, Adolfo; Pujadas Cordero, Manuel; Molero, Francisco; Rocadenbosch Burillo, Francisco; Pedrós Esteban, Roberto; Serrano-Vargas, O.; Gil Ojeda, Manuel; Olmo, F. J.; Lyamani, H.; Navas Guzmán, Francisco; Alados Arboledas, Lucas (American Geophysical Union (AGU), 2011-01-26)
      Article
      Accés restringit per política de l'editorial
      We present a comparison of aerosol properties derived from in situ and remote sensing instruments during DAMOCLES campaign, aimed at investigating the equivalence between the instrumentation and methodologies employed by ...
    • Aerosol lidar intercomparison in the framework of SPALINET-The Spanish lidar network: methodology and results 

      Rocadenbosch Burillo, Francisco; Sicard, Michaël; Molero, Francisco; Guerrero Rascado, Juan Luis; Pedrós, Roberto; Expósito, Francisco Javier; Córdoba Jabonero, Carmen; Bolarín, Jose Miguel; Comerón Tejero, Adolfo; Moreno, José Maria; Navas Guzmán, Francisco; Requena, Alberto; Gil, Manuel; Pedro Díaz, Juan; Martínez Lozano, José Antonio; Alados Arboledas, Lucas; Pujades, Manuel (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10)
      Article
      Accés obert
      Abstract—A group of eight Spanish lidars was formed in order to extend the European Aerosol Research Lidar Network–Advanced Sustainable Observation System (EARLINET-ASOS)project. This study presents intercomparisons at the ...
    • Aerosol radiative impact during the summer 2019 heatwave produced partly by an inter-continental Saharan dust outbreak – Part 1: Short-wave dust direct radiative effect 

      Cordoba Jabonero, Carmen; Sicard, Michaël; López Cayuela, María Ángeles; Ansmann, Albert; Comerón Tejero, Adolfo; Zorzano, María-Paz; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino (European Geosciences Union (EGU), 2021-04-30)
      Article
      Accés obert
      The short-wave (SW) direct radiative effect (DRE) during the summer 2019 heatwave produced partly by a moderate, long-lasting Saharan dust outbreak over Europe is analysed in this study. Two European sites (periods) are ...
    • Aerosol stratification characterization of an astronomical site by means of a backscatter lidar at the Roque de los Muchachos Observatory 

      Jiménez Fuensalida, Jesús; Muñoz Tuñón, Casiana; Sicard, Michaël; Tomás Martínez, Sergio; Md. Reba, Mohd Nadzri; Comerón Tejero, Adolfo; Batet Torrell, Óscar; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco (2009)
      Text en actes de congrés
      Accés obert
      The Roque de los Muchachos Observatory, located on the island of La Palma in the Canary Islands, is home of many astronomical facilities. In the context of the Extremely Large Telescope Design Study, an intensive lidar ...
    • 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
      Accés obert
      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 ...
    • An automatic aerosol classification for earlinet: application and results 

      Papagiannopoulos, N.; Mona, Lucia; Amiridis, Vassilis; Binietoglou, Ioannis; D'Amico, Giuseppe; Schwarz, A.; Alados-Arboledas, L; Amodeo, Aldo; Apituley, Arnoud; Baars, Holger; Bortoli, D.; Comerón Tejero, Adolfo; Guerrero Rascado, Juan Luis; Kokkalis, P; Nicolae, D.; Papayannis, Alexander; Pappalardo, Gelsomina; Wandinger, Ulla; Wiegner, M. (2018)
      Text en actes de congrés
      Accés obert
      Aerosol typing is essential for understanding the impact of the different aerosol sources on climate, weather system and air quality. An aerosol classification method for EARLINET (European Aerosol Research Lidar Network) ...
    • An automatic observation-based aerosol typing method for EARLINET 

      Papagiannopoulos, N.; Mona, Lucia; Amodeo, Aldo; D'Amico, Giuseppe; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (European Geosciences Union (EGU), 2018-11-06)
      Article
      Accés obert
      We present an automatic aerosol classification method based solely on the European Aerosol Research Lidar Network (EARLINET) intensive optical parameters with the aim of building a network-wide classification tool that ...
    • An EARLINET early warning system for atmospheric aerosol aviation hazards 

      Papagiannopoulos, Nikolaos; D'Amico, Giuseppe; Gialitaki, Anna; Ajtai, Nicolae; Alados-Arboledas, Lucas; Amodeo, Aldo; Amiridis, Vassilis; Baars, Holger; Balis, Dimitris; Binietoglou, Ioannis; Comerón Tejero, Adolfo; Dionisi, Davide; Fréville, Patrick; Falconieri, Alfredo; Molero, Francisco; Kampouri, Anna; Mattis, Ina; Mijic, Zoran; Papayannis, Alexander; Pappalardo, Gelsomina; Rodríguez Gómez, Alejandro Antonio; Solomos, Stavros; Mona, Lucia (European Geosciences Union (EGU), 2020-09-15)
      Article
      Accés obert
      A stand-alone lidar-based method for detecting airborne hazards for aviation in near real time (NRT) is presented. A polarization lidar allows for the identification of irregular-shaped particles such as volcanic dust and ...
    • An explicit formulation for the retrieval of the overlap function in an elastic and Raman aerosol lidar 

      Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Dios Otín, Víctor Federico; Gil Díaz, Cristina; Oliveira, Daniel Camilo Fortunato dos Santos; Rocadenbosch Burillo, Francisco (European Geosciences Union (EGU), 2023-06-15)
      Article
      Accés obert
      We derive an explicit (i.e., non-iterative) formula for the retrieval of the overlap function in an aerosol lidar with both elastic and Raman N2 and/or O2 channels used for independent measurements of aerosol backscatter ...