Exploració per autor "Batet Torrell, Óscar"

Ara es mostren els items 1-15 de 15

    • 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 ...

    • Application of atmospheric transport models at the new atmospheric Ebre Delta station (ClimaDat Network) in Eastern Spain 

      Grossi, Claudia; Curcoll, Roger; Morguí, J.A.; Àgueda, A.; Ealo, M.; Occhipinti, P.; Nofuentes, M.; Sánchez-García, L.; Batet Torrell, Óscar; Vargas Drechsler, Arturo; Vermeulen, A.T.; Rodó, X. (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The Ebre Delta atmospheric station (DEC3) was installed in Eastern Spain, within the framework of the ClimaDat project of the Institut Català de Ciències del Clima (IC3). This station offers continuous measurements of ...

    • First estimation of CH4fluxes using the222Rn Tracer Method over the central Iberian Peninsula 

      Grossi, Claudia; Vogel, Felix; Morguí, Josep Anton; Curcoll Masanes, Roger; Agueda Costafreda, Alba; Batet Torrell, Óscar; Nofuentes, Manel; Occhipinti, Paola; Vargas Drechsler, Arturo; Rodó, Xavier (WIT Press, 2014)
      Text en actes de congrés
      Accés obert
      Emissions of CH4 over the central Iberian Peninsula have been estimated experimentally for the first time using the Radon Tracer Method (RTM), which uses the atmospheric noble radioactive gas 222Rn as an auxiliary tracer. ...

    • FMCW lidar for multiple target sounding 

      Batet Torrell, Óscar; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (SPIE Press. The International Society for Optical Engineering, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Continuous-Wave lidars are constantly evolving in order to achieve the best performances with low power and low cost. Frequency-modulated continuous-wave (FMCW) lidar is a well-known type of lidar used for solid-target ...

    • In vivo molecular changes in the retina of patients with multiple sclerosis 

      Alba Arbalat, Salut; Andorra, Magi; Sánchez Dalmau, Bernardo; Camos Carreras, Anna; Dotti Boada, Marina; Pulido-Valdeolivas, Irene; Llufriu, Sara; Blanco, Yolanda; Sepúlveda, Maria; Saiz Hinarejos, Albert; Batet Torrell, Óscar; Bilbao, Iker; Torre, Iratxe; Amat Roldán, Iván; Martínez Lapiscina, Elena H.; Villoslada, Pablo (Association for Research in Vision and Ophthalmology (ARVO), 2021-05-11)
      Article
      Accés obert
      Purpose: Raman spectroscopy allows molecular changes to be quantified in vivo from the tissues like the retina. Here we aimed to assess the metabolic changes in the retina of patients with multiple sclerosis (MS). Methods: ...

    • 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 ...

    • Investigation of continuous-wave range-resolved lidar systems for gas detection and concentration measurement 

      Batet Torrell, Óscar (Universitat Politècnica de Catalunya, 2011-07-27)
      Tesi
      Accés obert
      The techniques for detection of the atmosphere constituents and their distribution in the space have evolved in the last years driven by needs in the environmental, meteorological and climate science fields and backed by ...

    • Multi-wavelength aerosol LIDAR signal pre-processing: practical considerations 

      Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Lange, Diego; Barragán Cuesta, Rubén; Batet Torrell, Óscar; Comerón Tejero, Adolfo; López Márquez, Miguel Ángel; Muñoz Porcar, Constantino; Tiana Alsina, Jordi; Tomás Martínez, Sergio (2015-12)
      Article
      Accés obert
      Elastic lidars provide range-resolved information about the aerosol content in the atmosphere. Nevertheless, a number of pre-processing techniques need to be used before performing the inversion of the detected signal: ...

    • Multi-wavelength aerosol LIDAR signal pre-processing: practical considerations 

      Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Sicard, Michaël; Lange Vega, Diego; Barragán Cuesta, Rubén; Batet Torrell, Óscar; Comerón Tejero, Adolfo; López Márquez, Miguel Ángel; Muñoz Porcar, Constantino; Tiana Alsina, Jordi; Tomás Martínez, Sergio (Institute of Physics (IOP), 2015)
      Text en actes de congrés
      Accés obert
      Elastic lidars provide range-resolved information about the aerosol content in the atmosphere. Nevertheless, a number of pre-processing techniques need to be used before performing the inversion of the detected signal: ...

    • Planetary boundary layer height and wind field characterization by means of a lidar at the Teide Observatory in the Canary Islands 

      Sicard, Michaël; Tomás Martínez, Sergio; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; Batet Torrell, Óscar (2008)
      Text en actes de congrés
      Accés obert
      A lidar field campaign was performed between 30th June and 4th July 2007 in the Teide Observatory in the Canarian island of Tenerife to characterize the atmosphere of this astrophysical observation site in terms of nocturnal ...

    • Results of site testing using an aerosol, backscatter lidar at the Roque de los Muchachos Observatory 

      Jiménez Fuensalida, Jesús; Muñoz Tuñón, Casiana; Sicard, Michaël; Md. Reba, Mohd Nadzri; Tomás Martínez, Sergio; Comerón Tejero, Adolfo; Batet Torrell, Óscar; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco (2010-06-01)
      Article
      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 for its high sky quality. In the context of the Extremely Large Telescope Design ...

    • 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 ...

    • Speed measurements with a continuous wave lidar prototype 

      Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Batet Torrell, Óscar; García Vizcaíno, David; Rocadenbosch Burillo, Francisco; Sicard, Michaël (2007)
      Text en actes de congrés
      Accés obert
      The UPC lidar group is developing a Doppler wind lidar based on the “edge-technique” [1]. Such systems use the slope of a high resolution optical filter as frequency discriminator. A laboratory prototype, able to measure ...

    • Temporal analysis of laser beam propagation in the atmosphere using computer-generated long phase screens 

      Dios Otín, Víctor Federico; Recolons Martos, Jaume; Rodríguez Gómez, Alejandro Antonio; Batet Torrell, Óscar (2008-02-04)
      Article
      Accés obert
      Temporal analysis of the irradiance at the detector plane is intended as the first step in the study of the mean fade time in a free optical communication system. In the present work this analysis has been performed for a ...