Browsing by Subject "Detectors òptics"

Now showing items 1-20 of 93

    • 3D Pose Estimation of Visual Markers 

      Badal Regàs, Antonio (Universitat Politècnica de Catalunya, 2015-02-20)
      Bachelor thesis
      Open Access
      Covenantee:   Technische Universität Wien
      [ANGLÈS] The aim of this project is to understand, analyze, but also improve a computer vision software based on ARToolKitPlus. With a camera, this software looks for a visual marker (ARTag) and locates it in the space, ...

    • A Highest order hypothesis compatibility test for monocular SLAM 

      Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (2013-08)
      Article
      Open Access
      Simultaneous Location and Mapping (SLAM) is a key problem to solve in order to build truly autonomous mobile robots. SLAM with a unique camera, or monocular SLAM, is probably one of the most complex SLAM variants, based ...

    • A method to stabilise the performance of negatively fed KM3NeT photomultipliers 

      Adrian Martinez, Silvia; Ageron, M.; Aiello, S; Albert, A.; Ameli, F; Anassontzis, E.G.; André, Michel (2016-12-19)
      Article
      Open Access
      The KM3NeT research infrastructure, currently under construction in the Mediterranean Sea, will host neutrino telescopes for the identification of neutrino sources in the Universe and for studies of the neutrino mass ...

    • A model for photocurrent generation in photoconductive antennas 

      López Menchón, Héctor; Revuelta Martinez, Sergio; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Rius Casals, Juan Manuel (2019)
      Conference lecture
      Restricted access - publisher's policy
      The laser-induced current carrier generation and transport under large biasing voltages in photoconductive materials located in electrode gap region of photoconductive antennas is a complex process involving many different ...

    • Accelerated aging quantification of XL-ETFE wires in low pressure aircraft environments 

      Bas Calopa, Pau; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Conference report
      Open Access
      Most international standards for the qualification of insulated wires for aerospace applications are based on degradation tests performed under standard pressure conditions. However, some wires must withstand low pressure ...

    • An architecture analysis for millimeter-wave optically steerable antenna array 

      Ballesteros Sánchez, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      A lens-based integrated photodiode-antenna array for a Radio over Fiber (RoF) 5G wireless base station at millimeter-wave frequencies is proposed and analyzed. The elements of the array are based on slot bow-tie antennas ...

    • 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 ...

    • Analysis and design of an edge-technique-based Doppler wind lidar: practical assessment of a laboratory prototype 

      Muñoz Porcar, Constantino (Universitat Politècnica de Catalunya, 2013-02-22)
      Doctoral thesis
      Open Access
      This thesis is the initial stage in the development of a range-resolving Doppler wind lidar. Atmospheric lidars emit pulsed laser radiation that after being scattered by air molecules and suspended aerosol particles is ...

    • Architecture and performance of the KM3NeT front-end firmware 

      Aiello, S; Albert, Arnauld; Alves Garre, Sergio; Zineb, Aly; Ameli, Fabrizio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Anton, Gisela (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2021-01-01)
      Article
      Open Access
      The KM3NeT infrastructure consists of two deep-sea neutrino telescopes being deployed in the Mediterranean Sea. The telescopes will detect extraterrestrial and atmospheric neutrinos by means of the incident photons induced ...

    • Atmospheric neutrinos with the first KM3NeT/ORCA data and prospects for measuring the atmospheric neutrino flux 

      Stavropoulos, Dimitris; Pestel, Valentin; Aly, Zineb; Tzamariudaki, Ekaterini; Markou, Christos; Ageron, M.; Aiello, S; Albert, Arthur; Alshamsi, Mohammed; Alves Garre, Sergio; Ambrosone, Antonio; Ameli, Fabrizio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco (arXiv, 2021)
      Conference report
      Open Access
      KM3NeT is a research infrastructure aiming to study astrophysical sources as well as to perform particle physics studies, through the detection of neutrinos in the abyssal depths of the Mediterranean Sea. The KM3NeT/ORCA ...

    • Bearing-only slam methods 

      Munguía Alcalá, Rodrigo Francisco (Universitat Politècnica de Catalunya, 2009-10-19)
      Doctoral thesis
      Open Access
      SLAM (Simulatenous Localization and Mapping) es quizá el problema más importante a solucionar en robótica para construir robots móviles verdaderamente autónomos. El SLAM es acerca de cómo un robot móvil opera en un entorno ...

    • Compact device for CO2 optical sensign using macroporous silicon photonic crystals 

      Vega, Didac; Rodríguez Martínez, Ángel; Calavia, Raül; Vilanova, Xavier; Todorov Trifonov, Trifon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      A photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ...

    • Compact optoantennas for millimeter-wave wireless applications 

      Higón Sorribes, José Miguel (Universitat Politècnica de Catalunya, 2020-11-27)
      Master thesis
      Open Access
      Nowadays there are a lot of applications that request high bandwidth (due to the data that they transport) and high speed of transmission , for example, 5G technology or Video-based applications. The use of photonic systems ...

    • Comparison of the measured atmospheric muon rate with Monte Carlo simulations and sensitivity study for detection of prompt atmospheric muons with KM3NeT 

      Ageron, M.; Aiello, S; Albert, Arthur; Alshamsi, Mohammed; Ambrosone, Antonio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos (arXiv, 2021)
      Conference report
      Open Access
      The KM3NeT Collaboration has successfully deployed the first detection units of the next generation undersea neutrino telescopes in the Mediterranean Sea at the two sites in Italy and in France. The data sample collected ...

    • Deep-sea deployment of the KM3NeT neutrino telescope detection units by self-unrolling 

      Aiello, S; Albert, Andreas; Alves Garre, Sergio; Ameli, F; Anassontzis, E.G.; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos (2020-11-19)
      Article
      Open Access
      KM3NeT is a research infrastructure being installed in the deep Mediterranean Sea. It will house a neutrino telescope comprising hundreds of networked moorings—detection units or strings—equipped with optical instrumentation ...

    • Dependence of atmospheric muon flux on seawater depth measured with the first KM3NeT detection units The KM3NeT Collaboration 

      Ageron, M.; Aiello, S; Ameli, F; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anton, Gisela; Ardid Ramírez, Miguel; Aublin, J.; Bagatelas, Christos; Barbarino, G.C.; Bertin, Vincent; Bouwhuis, M.C.; Puricelli, Stefano; Chau, Nearkasen; Cherubini, Silvio; Coniglione, R.; D'Amico, Antonio; Fermani, P.; Lamare, P.; Mannheim, Karl; Morganti, Michele; Pellegrino, Carlo; Piattelli, P.; Real, Del; Santangelo, A; Sharma, Aniruddh; Tingay, S. J.; Trovato, A.; Zaborov, D. (springer-Verlag, 2020-02-06)
      Article
      Open Access
      KM3NeT is a research infrastructure located in the Mediterranean Sea, that will consist of two deep-sea Cherenkov neutrino detectors. With one detector (ARCA), the KM3NeT Collaboration aims at identifying and studying ...

    • Desarrollo de sensores por reflexión 

      Carmona Domínguez, Dafne (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Kostal Eléctrica

    • Desenvolupament d'un sistema de control i mesura de sensors integrats 

      Martínez Borràs, Juan Antonio (Universitat Politècnica de Catalunya, 2016-09-28)
      Master thesis (pre-Bologna period)
      Open Access
      The most currently used sensors for gas detection are those based in semiconductors. Apart from the features that make them suitable for the detection of gasses in the range of parts per million, their simplicity and ...

    • Desenvolupament d'una eina de processat de senyal per a dades espectrals 

      Garrido Luque, Oscar (Universitat Politècnica de Catalunya, 2009-01-21)
      Master thesis (pre-Bologna period)
      Open Access
      L’aigua és el recurs per viure més important del planeta Terra, cobrint més del 70% de la seva superfície. Concretament, els oceans representen més del 97% de l’aigua total del planeta i és on concentra el 99,5% del ...

    • Detección automática de personas mediante láser 2D y su aplicación a la robótica de servicios 

      Herrero Cotarelo, Fernando (Universitat Politècnica de Catalunya, 2012-05)
      Master thesis (pre-Bologna period)
      Open Access
      En el marco del proyecto europeo URUS (Ubiquitous Networking Robotics in Urban Settings [10][1]) el IRI (Institut de Robótica i Informática Industrial [11]) trabaja con plataformas robóticas móviles que cooperan con ...