Now showing items 1-20 of 124

    • 3D car detection with LIDAR 

      Fernandez López, Christian (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      24 months embargo
      Covenantee:   Ficosa Electronics
      En esta tesis se propone entrenar una red neuronal para la detección de coches, utilizando sólo puntos de un LIDAR de 32 canales de la base de datos de NuScenes. El objetivo es conseguir el reconocimiento de coches frontales ...
    • El 50 aniversari del Làser: fites aconseguides en ciència i tecnologia, i perspectives de futur 

      Vilaseca Alavedra, Ramon (2010-05-07)
      Audiovisual
      Open Access
      Un làser és un dispositiu que utilitza l'emissió estimulada o induïda per generar un feix de llum. Però què ha fet fins ara i quin és el seu futur?
    • A comparative experimental study of gross alpha methods in natural waters 

      Montaña Gurrera, Montserrat; Fons, J; Corbacho, J.A.; Camacho García, Antonia; Zapata-García, D; Guillen, J.; Serrano Carreño, M. Isabel; Tent, J; Baeza, A; Llauradó, Montserrat; Vallés, I (Elsevier, 2013-04)
      Article
      Restricted access - publisher's policy
      The aim of the present work was to compare the results obtained with gross alpha methods such as evaporation, co-precipitation and total evaporation by liquid scintillation counting and to check whether these results are ...
    • Activitats del grup de recerca Dinàmica No lineal, Òptica no lineal i Làsers 

      Vilaseca Alavedra, Ramon (Campus de Terrassa de la UPC, 2013-06-13)
      Conference report
      Open Access
    • An overview of lidar imaging systems for autonomous vehicles 

      Royo Royo, Santiago; Ballesta Garcia, Maria (Multidisciplinary Digital Publishing Institute, 2019-10-01)
      Article
      Open Access
      Lidar imaging systems are one of the hottest topics in the optronics industry. The need to sense the surroundings of every autonomous vehicle has pushed forward a race dedicated to deciding the final solution to be ...
    • Análisis de la rugosidad de una superficie utilizando speckle 

      Gómez Mieras, María Del Coral (Universitat Politècnica de Catalunya, 2016-06-03)
      Bachelor thesis
      Open Access
      La rugosidad de la superficie del papel es un parámetro sumamente importante en la fabricación del papel. La medida de rugosidad de la superficie es uno de los problemas centrales en la industria del papel. Actualmente, ...
    • Aparell d'emissió de llum làser, per a la reducció de contorn humà. Concepció, desenvolupamnet i industrialització 

      Condeminas i Molins, Jaume (Universitat Politècnica de Catalunya, 2013-01-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Aquest projecte descriu totes les fases necessàries per realitzar un aparell d’emissió de llum làser per a la reducció de contorn del cos humà. • Concepció • Desenvolupament • Industrialització • Manteniment
    • Aplicación de la espectroscopia Raman a mezclas de pigmentos vía temperatura 

      Massip Alvarez, Sergio (Universitat Politècnica de Catalunya, 2016-01-29)
      Master thesis (pre-Bologna period)
      Open Access
      In this research, Raman spectroscopy was applied in order to study the temperature induced by a laser on a material. Firstly, the mathematical profile of a Raman spectrum was described, which is a useful procedure to ...
    • Arduino based laser control 

      Bernal Muñoz, Ferran (Universitat Politècnica de Catalunya, 2015-01)
      Bachelor thesis
      Open Access
      [ANGLÈS] Diode laser for communications control based on an Arduino board. Temperature control implementation. Software and hardware protection for the laser implementation.
    • Area and laser power scalability analysis in photonic networks-on-chip 

      Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Lázaro Villa, José Antonio; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Solé Pareta, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Restricted access - publisher's policy
      In the last decade, the field of microprocessor architecture has seen the rise of multicore processors, which consist of the interconnection of a set of independent processing units or cores in the same chip. As the number ...
    • Assimilation of lidar signals: application to aerosol forecasting in the 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
      Open Access
      This 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 ...
    • Auscultación de la erosión en un terraplén experimental mediante la tecnología escáner láser terrestre 

      Suárez Matarrita, Carolina María (Universitat Politècnica de Catalunya, 2019-07)
      Master thesis
      Open Access
      La erosión y perdida de suelo es un fenómeno con consecuencias importantes. En este trabajo se estudia la erosión en un terraplén experimental mediante la aplicación de tecnología escáner láser terrestre (TLS). Se realizará ...
    • Automatic compensation of polarisation drifts in an optical fibre 

      Cichy Cusi, Simon (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      In days where Science Fiction uses the word ?Quantum? to justify any weird phenomena, we are actually on the edge of the Second Quantum Revolution. The ability to harness the potential of the quantum state of single particles ...
    • Automatización de medidas de potencia de un láser 

      Perez Ramos, Juan Carlos (Universitat Politècnica de Catalunya, 2018-10)
      Bachelor thesis
      Open Access
      This project is about the automation of power measurements of a laser to have control at all times of its status and operation.
    • Avalanche of stimulated forward scattering in high harmonic generation 

      Serrat Jurado, Carles; Roca, David; Budesca, Josep M.; Seres, Jozsef; Seres, Enikoe; Aurand, Bastian; Hoffmann, Andreas; Namba, Shinichi; Kuehl, Thomas; Spielmann, Christian (2016-04-05)
      Article
      Open Access
      Optical amplifiers in all ranges of the electromagnetic spectrum exhibit an essential characteristic, namely the input signal during the propagation in the amplifier medium is multiplied by the avalanche effect of the ...
    • Beam focalization in reflection from flat dielectric subwavelength gratings 

      Cheng, Yu Chieh; Zeng, H; Trullàs Simó, Joaquim; Cojocaru, Crina; Malinauskas, Mangirdas; Jukna, T; Wiersma, D.S.; Staliunas, Kestutis (2014-10-15)
      Article
      Restricted access - publisher's policy
      We experimentally demonstrate the recently predicted effect of near-field focusing for light beams from flat dielectric subwavelength gratings (SWGs). This SWGs were designed for visible light 532 nm and fabricated by ...
    • Calibration of Raman lidar water-vapor mixing ratio measurements using zenithal measurements of diffuse sunlight and a radiative transfer model 

      Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Sicard, Michaël; Barragán Cuesta, Rubén; García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Granados Muñoz, María José (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
      Article
      Open Access
      Among the different techniques available for measuring the atmospheric water vapor content, Raman lidars stand out as accurate instruments providing detailed profiles with high temporal and altitude resolution. Their ...
    • Caracterización de diodos láser tipo Distributed Feedback 

      Guzman Torres, Carlos (Universitat Politècnica de Catalunya, 2011-06-30)
      Bachelor thesis
      Open Access
    • Caracterización de un sistema de espectroscopia Raman por fibra óptica y aplicación a diversos materiales. Ruido en detección y optimización de un espectro 

      Ruiz Golobart, Héctor (Universitat Politècnica de Catalunya, 2015-06)
      Master thesis (pre-Bologna period)
      Open Access
      This final project has as its main objectives, first, theoretically and experimentally to characterize a modern system of optical fiber Raman spectroscopy (iHR320 of Jobin Ybon model) and, secondly, to demonstrate their ...
    • Cámara Lidar para Imagen 3D de bajo coste, alta resolución y tiempo real para aplicaciones en defensa y seguridad 

      Riu Gras, Jordi; Royo Royo, Santiago (2014)
      Conference report
      Restricted access - publisher's policy