Exploració per autor "Comerón Tejero, Adolfo"
Ara es mostren els items 17-36 de 219
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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 obertA 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)
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Accés obertAerosol 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 obertWe 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)
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Accés obertA 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 obertWe 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 ... -
An inter-mountain optical-communications link experiment in Spain
Bará Temes, Francisco Javier; Comerón Tejero, Adolfo; Belmonte Molina, Aniceto (1990-03)
Article
Accés obertIn support of the Agency's SILEX optical-communications project, a first evaluation of the suitability of the Canary Islands (Spain) for an optical communications test range has been conducted. The low atmospheric attenuation ... -
Analysis of atmospheric aerosol properties using lidar measurements and their impact on radiative budget in Barcelona over the past 20 years
Lolli, Simone; Sicard, Michaël; Comerón Tejero, Adolfo; Gil Díaz, Cristina; Oliveira, Daniel Camilo Fortunato dos Santos; Landi, Tony C.; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Dios Otín, Víctor Federico (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2023)
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Accés obertAerosols are significant atmospheric constituents that modulate radiation and cloud processes. We evaluated 17-year aerosol profile trends in Barcelona, Spain, from lidar measurements. In summer aerosol reaches 5 km, while ... -
Análisis de errores en sistemas de medida de ruido. Sistema de medida de parámetros de ruido de transistores de microondas
Pradell i Cara, Lluís; Comerón Tejero, Adolfo; Ramírez Marín, A.; Martorell, Jm (Universidad Politécnica de Madrid (UPM), 1988)
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Accés obert -
Análisis de stubs radiales en circuito abierto como elementos de circuito microstrip
de los Reyes, Elías; Ferrando, Miguel; Comerón Tejero, Adolfo (Unión Científica Internacional de Radio (URSI), 1983)
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Accés obertThis paper presents an analysis of radial microstrip transmission lines, practical design corrections and comparison with measurements perfomed on Duroid 5880. It is proposed the use of the radial lines in combination with ... -
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)
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Accés obertA 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 ... -
Application of CAD load-pull techniques in mixer design
Velázquez, A.; Lázaro Guillén, Antoni; Pradell i Cara, Lluís; Comerón Tejero, Adolfo (2003-02)
Article
Accés obertThis work describes the application of a commercial CAD software to implement load-pull techniques in the design of microwave mixers. This method is used to generate conversion-loss regions when a diode is pumped and ... -
Application of CAD load_pull techniques in mixer design
Velázquez, A.; Lázaro Guillén, Antoni; Pradell i Cara, Lluís; Comerón Tejero, Adolfo (JOHN WILEY & SONS INC, 2003-02-28)
Article
Accés obertThis work describes the application of a commercial CAD software to implement load-pull techniques in the design of microwave mixers. This method is used to generate conversion-loss regions when a diode is pumped and ... -
Application of the method of decomposition of lidar signal-to-noise ratio to the assessment of laser instruments for gaseous pollution detection
Agishev, Ravil R.; Comerón Tejero, Adolfo; Gross, B.; Moshary, F.; Ahmed, S.; Gilerson, A.; Vlasov, V.A. (2004-07)
Article
Accés obertA general methodology for rating both performance and potential of lidar systems used for detection of atmospheric trace constituents including pollutants and gas leaks is developed. By individually examining and ... -
Assessment of capabilities of lidar systems in day-and night-time under different atmospheric and internal-noise conditions
Agishev, Ravil R.; Comerón Tejero, Adolfo (2017)
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Accés obertAs an application of the dimensionless parameterization concept proposed earlier for the characterization of lidar systems, the universal assessment of lidar capabilities in day and night conditions is considered. The ... -
Assessment of lidar inversion errors for homogeneous atmospheres
Rocadenbosch Burillo, Francisco; Comerón Tejero, Adolfo; Pineda Masnou, Daniel (OPTICAL SOC AMER, 1998-04-30)
Article
Accés obertThe inversion of lidar returns from homogeneous atmospheres has been done customarily through the well-known slope method. The logarithmic operation over the range-corrected and system-normalized received signal used in ... -
Assessment of lidar inversion errors for homogeneous atmospheres
Rocadenbosch Burillo, Francisco; Comerón Tejero, Adolfo; Pineda, D (1998-04)
Article
Accés restringit per política de l'editorialThe inversion of lidar returns from homogeneous atmospheres has been done customarily through the well-known slope method. The logarithmic operation over the range-corrected and system-normalized received signal used in ... -
Assimilation of lidar signals: application to aerosol forecasting in the western 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 obertThis 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'editorialA European network of atmosphere sensors uses multi-wavelength elastic-Raman lidar instruments in its infrastructure. -
Atmospheric dispersion of airborne pollen evidenced by near-surface and columnar measurements in Barcelona, Spain
Sicard, Michaël; Izquierdo Miguel, Rebeca; Jorba i Casellas, Oriol; Alarcón Jordán, Marta; Belmonte Soler, Jordina; Comerón Tejero, Adolfo; Linares, Concha De; Baldasano Recio, José María (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2016)
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Accés obertHourly measurements of pollen near-surface concentration and lidar-derived profiles of particle backscatter coefficients and of volume and particle depolarization ratios during a 5-day pollination event observed in Barcelona, ... -
Atmospheric-turbulence-induced power-fade statistics for a multiaperture optical receiver
Belmonte Molina, Aniceto; Comerón Tejero, Adolfo; Rubio, Juan Antonio; Fernández (OPTICAL SOC AMER, 1997-01-31)
Article
Accés obertTo estimate the probability distributions of power fades, we consider two basic types of disturbance in electromagnetic wave propagation through atmospheric turbulence: wave-front intensity fluctuations and wave-front ...