Ara es mostren els items 6071-6090 de 244456

    • A planetary-scale disturbance in the most intense Jovian atmospheric jet from JunoCam and ground-based observations 

      Sanchez-Lavega, Agustin; Rogers, John H; Orton, Glenn; García Melendo, Enrique José; Legarreta, Jon; Colas, Françoise; Dauvergne, J; Hueso, Ricardo; Rojas, Jose Félix; Perez-Hoyos, Santiago; Mendikoa, Iñigo; Iñurrigarro, P; Gómez-Forrellad, Josep M.; Momary, T; Hansen, C. J.; Eichstaedt, G.; Miles, P; Wesley, A (2017-05-25)
      Article
      Accés obert
      We describe a huge planetary-scale disturbance in the highest-speed Jovian jet at latitude 23.5°N that was first observed in October 2016 during the Juno perijove-2 approach. An extraordinary outburst of four plumes was ...
    • A planning solution for forecasting product sales with cannibalization 

      Ibáñez Prat, Ferran (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2022-01)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Accenture
      Predicting sales using cannibalization effects is a current major challenge. Several approaches deal with the estimation of cannibalization of new product launches or promotion effects but how to account for it when ...
    • A plasmonic accuracy biosensor using a single laser diode 

      Bañares Palacios, Paula (Universitat Politècnica de Catalunya, 2016-09-07)
      Projecte Final de Màster Oficial
      Accés obert
      A theoretical model was implemented to obtain the total specular reflection of a variable external multicavity for out of normal incidence and different polarisations. The model was theoretically and experimentally validated ...
    • A plastic-damage approach to the excavation response of a circular opening in weak rock 

      Guan, Kai; Zhu, Wancheng; Yu, Qinglei; Cui, Lan; Song, Fei (2022-08)
      Article
      Accés restringit per política de l'editorial
      During opening construction, the accumulated wall displacement and the developing excavation damaged zone are the results of stress redistribution and inelastic behavior induced by both the microcracking damage and the ...
    • A plastic-damage model for concrete 

      Lubliner, Jacob; Oliver Olivella, Xavier; Oller Martínez, Sergio Horacio; Oñate Ibáñez de Navarra, Eugenio (1989)
      Article
      Accés restringit per política de l'editorial
      In this paper a constitutive model based on an internal variable-formulation of plasticity theory for the non-linear analysis of concrete is presented. The model uses a new yield criterion which matches experimental data ...
    • A plasticity model for simulation of industrial powder compaction processes 

      Oliver Olivella, Xavier; Oller Martínez, Sergio Horacio; Cante Terán, Juan Carlos (1996-08)
      Article
      Accés restringit per política de l'editorial
      A constitutive model, based on large strain plasticity, for simulation of industrial powder compaction processes is presented. The elastic response is stated in terms of a hyperelastic model based on a hookean elastic free ...
    • A platform for antibody design 

      Díaz Rovira, Anna Maria; Guallar, Victor (Barcelona Supercomputing Center, 2022-05)
      Text en actes de congrés
      Accés obert
      Antibodies are specialized proteins produced by our adaptive immune system to identify and neutralize specific molecules (antigens) of foreign objects, such as pathogenic microorganisms or infected cells. Due to their ...
    • A platform for automatic 3D object reconstruction through multi-view stereo techniques for mobile devices 

      De La Torre García, Javier (Universitat Politècnica de Catalunya, 2013-12-18)
      Projecte Final de Màster Oficial
      Accés obert
      The goal of the project aims to generate a 3D model thanks to a set of images of it. With this purpose in mind, the project is composed of a client-based Android application and a web server-based Java application to ...
    • A platform for developing and fine tuning adaptive 3D navigation techniques for the immersive web 

      Kamal, Ahmed; Andújar Gran, Carlos Antonio (Association for Computing Machinery (ACM), 2021)
      Text en actes de congrés
      Accés obert
      Navigating through a virtual environment is one of the major user tasks in the 3D web. Although hundreds of interaction techniques have been proposed to navigate through 3D scenes in desktop, mobile and VR headset systems, ...
    • A platform independent model for the electronic marketplace domain 

      Queralt Calafat, Anna; Teniente López, Ernest (2005-04)
      Report de recerca
      Accés obert
      An electronic marketplace supports the interaction among different users to exchange information about products to sell and buy. Significance of electronic marketplaces is given by the huge amount of web sites that are ...
    • A platform toy for children with special educational needs 

      Ferreira, Rosária Miranda; Matos, Demétrio; Carvalho, Vítor; Soares, Filomena (2022-05-31)
      Article
      Accés obert
      In childhood, play is critical to the successful development of children, and it can be regarded as the most important activity in their daily life, allowing interaction and discovery of the world around them. Consequently, ...
    • A plausible link between the asteroid 21 Lutetia and CH carbonaceous chondrites 

      Moyano Cambero, Carles E.; Trigo-Rodríguez, José María; Llorca Piqué, Jordi; Fornasier, Sonia; Barucci, Maria Antonietta; Rimola, Albert (2016-10-01)
      Article
      Accés obert
      A crucial topic in planetology research is establishing links between primitive meteorites and their parent asteroids. In this study, we investigate the feasibility of a connection between asteroids similar to 21 Lutetia, ...
    • A playground for compressible natural convection with a nearly uniform density 

      Alboussière, Thierry; Curbelo Hernández, Jezabel; Dubuffet, Fabien; Labrosse, Stéphane; Ricard, Yanick (Cambridge University Press, 2022-06-10)
      Article
      Accés obert
      In the quest to understand the basic universal features of compressible convection, one would like to disentangle genuine consequences of compression from spatial variations of transport properties. For instance, one may ...
    • A PLIC-VOF implementation on parallel 3D unstructured meshes 

      Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Castro González, Jesús; Oliva Llena, Asensio (2010)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The numerical simulation of interfacial and free surface ows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ...
    • A PLL control for self-tuning of parallel wireless power transfer receivers utilizing switch-mode gyrator emulated inductors 

      Saad, M.A.; Martínez García, Herminio; Alarcón Cot, Eduardo José (2017)
      Comunicació de congrés
      Accés obert
      In multiple receivers wireless power transfer (WPT) systems, it is preferable to retune the resonant frequency of every receiver to the transmitter operating frequency in front of frequency mismatches. This paper discusses ...
    • A pocos centímetros 

      Vidal Soler, Fermí (Universitat Politècnica de Catalunya, 2010)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
    • A Poincaré lemma in geometric quantisation 

      Miranda Galcerán, Eva; Solha, Romero (American Institute of Mathematical Sciences, 2013-12)
      Article
      Accés obert
      This article presents a Poincar e lemma for the Kostant complex, used to compute geometric quantisation, when the polarisation is given by a Lagrangian foliation de ned by an integrable system with nondegenerate singularities.
    • A Poincaré lemma in geometric quantisation 

      Miranda Galcerán, Eva; Solha, Romero (2013)
      Report de recerca
      Accés obert
      This paper presents a Poincaré lemma for the Kostant comple x, used to compute geometric quantisation, when the polarisat ion is given by a Lagrangian foliation defined by an integrable system wit h non-degenerate singularities.
    • A polarimetric approach to marine litter detection using GNSS-reflectometry in a controlled flume 

      Pérez Portero, Adrián; Gonga i Siles, Amadeu; Camps Carmona, Adriano José; Pascual Biosca, Daniel; de Fockert, Anton; de Maagt, Peter (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Over 14 million tons of plastic end up yearly in the ocean, originating from polluted waterways such as rivers, sewers, or storm waters, or from industrial and nautical activities with improper garbage disposal methods. ...
    • A polarimetric ultra-wide band field scatterometer 

      Broquetas Ibars, Antoni; Fabregas Canovas, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 1995)
      Text en actes de congrés
      Accés obert
      “TERESA” (Terrestrial Radar Equipment for Scattering Analysis) is a ground-based, fully polarimetric scatterometer operative in the S, C, X, and Ku bands. It has been designed to obtain the complete backscattering matrix ...