Ara es mostren els items 8576-8595 de 244457

    • Acoustic system for physical oceanography research in deep ocean 

      Biescas, Berta; Sallarès, Valentí; Mojica, Jhon; Carniel, Sandro (SARTI, 2016)
      Comunicació de congrés
      Accés obert
      Marine multichannel seismic (MCS) data, used to obtain structural reflection images of the Earth’s subsurface, can also be used in physical oceanography exploration. This method provides vertical and lateral resolutions of ...
    • Acoustic tag tracking: first experiments 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B.; O'Reilly, Thomas; Aguzzi, Jacopo; Bouvet, P.J. (SARTI, 2018)
      Article
      Accés obert
      Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles can ...
    • Acoustic TAG tracking: First experiments 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O’Reilly, T; Aguzzi, Jacopo; Bouvet, Pierre-Jean (Centro de Desarrollo Tecnológico de Sistemas de Adquisición Remota y Tratamiento de la Información (SARTI), 2018)
      Text en actes de congrés
      Accés obert
      Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles ...
    • Acoustic telemetry system for underwater sensors 

      Sarriá Gandul, David; Molino Minero, Erik; Manuel Lázaro, Antonio (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The design of an acoustic telemetry system is presented and evaluated. We describe the main characteristics of the communication system, the transmitter and the receiver. The scheme of the proposed design consists of ...
    • Acoustic tracking of Nephrops norvegicus by networked moored hydrophones in a deep-sea no-take reserve of the North Western Mediterranean Sea 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Navarro, Joan; Vigo Fernandez, Maria; Aguzzi, Jacopo; Bahamón Rivera, Nixon; García del Arco, José Antonio; Rotllant Estelrich, Guiomar; Company Claret, Joan Baptista (2020-12-01)
      Article
      Accés obert
      Knowing the displacement capacity and mobility patterns of fished marine resources is pivotal to establish effective conservation management strategies in marine ecosystems. Accurate behavioral information of deep-sea ...
    • Acoustic tracking of nephrops norvegicus by networked moored hydrophones in a deep-sea no-take reserve of the North Western Mediterranean Sea 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Navarro, Joan; Vigo Fernandez, Maria; Aguzzi, Jacopo; Bahamón Rivera, Nixon; García, José Antonio; Rotllant Estelrich, Guiomar; Company Claret, Joan Baptista (2020-11-18)
      Report de recerca
      Accés obert
      Knowing the displacement capacity and mobility patterns of fished marine resources is pivotal to establish effective conservation management strategies in marine ecosystems. Accurate behavioral information of deep-sea ...
    • Acoustic traffic monitor for a smart city concept 

      Portolés Albe, Cristina; Obrin, Samuel; Hrynevych, Olena; Forsman, Vincent (Universitat Politècnica de Catalunya, 2023-06-12)
      Treball Final de Grau
      Accés obert
      Acoustic Traffic Monitor for a Smart City Concept aims to create a high-performance sensor that can accurately detect and analyse sound waves. The sensor is designed to have a compact form factor, low cost, and energy-efficient ...
    • Acoustic underwater target tracking methods using autonomous vehicles 

      Masmitjà Rusiñol, Ivan (Universitat Politècnica de Catalunya, 2020-01-21)
      Tesi
      Accés obert
      Marine ecological research related to the increasing importance which the fisheries sector has reached so far, new methods and tools to study the biological components of our oceans are needed. The capacity to measure ...
    • Acoustic wave filters for enhanced performance 

      Mateu Mateu, Jordi; Collado Gómez, Juan Carlos; Hueltes Escobar, Alberto; Perea Robles, Rafael; Aigner, Robert; Khlat, Nadim (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents a novel filter configuration based on acoustic wave resonators that allows to obtain filter responses unachievable with the well established ladder configuration, such as arbitrary position of transmission ...
    • Acoustic wave transversal filter for 5G N77 band 

      Mateu Mateu, Jordi; Yusuf, Yazid; Perea Robles, Rafael; Collado Gómez, Juan Carlos; Gimenez, Alfred; Martín Iglesias, Petronilo; Aigner, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2021-10-01)
      Article
      Accés obert
      This work presents the complete synthesis procedure and circuit transformations needed to go from the characteristic polynomials to the transversal network formed by electroacoustic resonators. This filter topology allows ...
    • Acoustical growth monitoing of gilthead sea bream (sparus aurata) in sea cages 

      Soliveres, Ester; Cebrecos, Alejandro; Espinosa, Víctor (SARTI, 2011)
      Article
      Accés obert
    • Acoustical impact of roads on medium-sized mediterranean coastal towns 

      Puigdomènech Franquesa, Joan; Jorge Sánchez, Juan; Mulet, J (1996-01)
      Article
      Accés restringit per política de l'editorial
      In the littoral region near Barcelona, roads belonging to the national network go through towns. Among the problems that this situation causes on the urban quality of ltfe is a high degree of noise pollution. By-pass roads ...
    • Acoustically penetrable sonic crystals based on fluid-like scatterers 

      Cebrecos, A.; Romero García, Vicenç; Pico Vila, Rubén; Sánchez Morcillo, Victor José; Botey Cumella, Muriel; Herrero Simon, Ramon; Cheng, Yu Chieh; Staliunas, Kestutis (2015-01-21)
      Article
      Accés obert
      We propose a periodic structure that behaves as a fluid-fluid composite for sound waves, where the building blocks are clusters of rigid scatterers. Such building-blocks are penetrable for acoustic waves, and their properties ...
    • Acoustics in water: synergies with marine biology 

      Van der Schaar, Mike Connor Roger Malcolm; Lahmann, Robert; Graf, Kay; Houégnigan, Ludwig; Solsona Berga, Alba; Vreese, Steffen de; Sánchez, Antonio; André, Michel (2016)
      Comunicació de congrés
      Accés obert
      This paper presents some of the bioacoustics related analysis that was performed on the ANTARES data, focussing on the year 2014. The data was processed for sperm whale, dolphin and shipping presence and grouped by hour ...
    • Acousto-holographic optical tweezers 

      Bola Sampol, Raul; Treptow, Dorian; Marzoa Domínguez, Antonio; Montes Usategui, Mario; Martin Badosa, Estela (2020-05-15)
      Article
      Accés obert
      Acousto-optic deflectors (AODs) allow the creation of multiple optical traps by time-sharing, that is, by rapidly cycling the laser focus between designated spatial locations. The traps thus formed are not permanent. In ...
    • Acquiring information extraction patterns from unannotated corpora 

      Catala Roig, Neus (Universitat Politècnica de Catalunya, 2003-07-14)
      Tesi
      Accés obert
      Information Extraction (IE) can be defined as the task of automatically extracting preespecified kind of information from a text document. The extracted information is encoded in the required format and then can be used, ...
    • Acquisition and processing of buildings’ vibrations using a Real-Aperture Radar, a non-invasive method 

      Alva Bañuelos, Rodrigo Esteban; González Drigo, José Ramón; Luzi, Guido; Pinzón Ureña, Luis; Pujades Beneit, Lluís (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, a simplified non-invasive method to diagnose the safety state of buildings is tested. The method is based in remote sensing measurements of the natural vibrations of actual buildings using an interferometric ...
    • Acquisition and processing software for an airborne soil moisture mapper LBand radiometer 

      Bosch i Lluis, Xavier (Universitat Politècnica de Catalunya, 2010-07-10)
      Projecte/Treball Final de Carrera
      Accés obert
      The improvement in weather forecast and climate motorization, to prevent for example natural disasters, requires global scale knowledge of the soil moisture (SM) and the surface salinity (SSS), which are non-existent at ...
    • Acquisition and Tracking algorithms for Phased Array Antenna based systems 

      Ortega González, Héctor (Universitat Politècnica de Catalunya, 2020-09)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Airbus Defence and Space
      With the advent of an increasing number of high-throughput telecommunication satellite constellations in Low Earth Orbit (LEO), tracking performance requirements for User Terminals (UTs) have become more stringent. A way ...
    • Acquisition and transmission of altitude data using the ARINC 429 specification 

      Prados Camargo, Iván (Universitat Politècnica de Catalunya, 2012-04-19)
      Treball Final de Grau
      Accés obert
      This project has been fulfilled within the Erasmus program in collaboration with the School of Telecommunications and Spatial Engineering in Castelldefels and the Center of Resources and Aeronautical Maintenance. We have ...