Ara es mostren els items 60094-60113 de 245817

    • Detection of early seeding of Richter transformation in chronic lymphocytic leukemia 

      Nadeu, Ferran; Royo, Romina; Massoni Badosa, Ramon; Playa Albinyana, Heribert; Garcia Torre, Beatriz; Dueso Barroso, Ana; Capella Gutiérrez, Salvador; Gelpi, Josep; Torrents, David (Nature Research, 2022)
      Article
      Accés obert
      Richter transformation (RT) is a paradigmatic evolution of chronic lymphocytic leukemia (CLL) into a very aggressive large B cell lymphoma conferring a dismal prognosis. The mechanisms driving RT remain largely unknown. ...
    • Detection of eccentricity faults in five-phase ferrite-PM assisted synchronous reluctance machines 

      López Torres, Carlos; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Romeral Martínez, José Luis (Multidisciplinary Digital Publishing Institute, 2017-05-31)
      Article
      Accés obert
      Air gap eccentricity faults in five-phase ferrite-assisted synchronous reluctance motors (fPMa-SynRMs) tend to distort the magnetic flux in the air gap, which in turn affects the spectral content of both the stator currents ...
    • Detection of entanglement in asymmetric quantum networks and multipartite quantum steering 

      Cavalcanti, D.; Skrzypczyk, P.; Aguilar, G. H.; Souto Ribeiro, P. H.; Walborn, S. P. (Nature Publishing Group, 2015-08-03)
      Article
      Accés obert
      The future of quantum communication relies on quantum networks composed by observers sharing multipartite quantum states. The certification of multipartite entanglement will be crucial to the usefulness of these networks. ...
    • Detection of erosive cavitation on hydraulic turbines through demodulation analysis 

      Presas Batlló, Alexandre; Luo, Yongyao; Valentín Ruiz, David; Egusquiza Montagut, Mònica; Wang, Zhengwei; Valero Ferrando, Ma. del Carmen; Egusquiza Estévez, Eduard (Institute of Physics (IOP), 2018)
      Text en actes de congrés
      Accés obert
      Erosive cavitation in hydraulic turbines affects severely the runner structure, increasing maintenance costs and reducing the remaining useful life of the component. Actual vibro-acoustic techniques used to detect this ...
    • Detection of failure mechanisms of tool steels by means of acoustic emission technique 

      Martínez González, Eva (Universitat Politècnica de Catalunya, 2014-01-30)
      Tesi
      Accés obert
      This thesis is focused on the calibration of the Acoustic Emission (AE) technique to detect and identify damage mechanisms in tool steels. The AE measurement procedure has been calibrated for two mechanical tests: fracture ...
    • Detection of fake profiles in online social networks (OSNs) 

      Miroslavova Gencheva, Beatriche (Universitat Politècnica de Catalunya, 2018-10-16)
      Projecte Final de Màster Oficial
      Accés obert
      Nowadays the communication between people is highly influenced by the Online Social Networks (OSNs). Immense number of personal, professional and political thoughts are shared online every single day. Thus, OSNs are ...
    • Detection of GNSS multipath with time-differenced code-minus-carrier for land-based applications 

      Caamaño Albuerne, María; Garcia Crespillo, Omar; Gerbeth, Daniel; Grosch, Anja (IEEE Press ; Wiley, 2020)
      Text en actes de congrés
      Accés obert
      Ground transportation systems demand accurate and robust localizationfunctions. Satellite navigation is considered a key element in those systems, but its position determination can be highly corrupted in urban environments ...
    • Detection of graphene motion through light-matter interactions 

      Schädler, Kevin Gerd (Universitat Politècnica de Catalunya, 2012-09-06)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] In this thesis, we study both experimentally and theoretically the optical detection of the motion of graphene membranes based on fluorescence quenching of the emitters close to graphene. Fluorescence quenching ...
    • Detection of hardware trojans and DFA attacks on cryptographic systems through residue checking 

      Lasheras Mas, Ana (Universitat Politècnica de Catalunya, 2019-07-04)
      Projecte Final de Màster Oficial
      Accés obert
      Residue checking technique can detect security attacks on cryptographic accelerators. This mechanism is tested using an RTL language on AES, RSA and SHA-1 algorithms. The implementation detects hardware Trojans modifying ...
    • Detection of human actions from movies based on video content analysis 

      Lasierra Losada, Luis Alberto (Universitat Politècnica de Catalunya / Tong ji da xue (Xina), 2011-12)
      Projecte/Treball Final de Carrera
      Accés obert
      This thesis introduces a system which detects human actions from movies. It combines and unifies many of the present video recognition tools and methods to build a system that can recognize what is happening in a video.
    • Detection of human Metapneumovirus infection in children under 18 years old hospitalized in Lima-Peru 

      Valle Mendoza, Juana del; Orellana Peralta, Fiorella; Valle Mendoza, Luis Javier del; Verne, Eduardo; Ugarte, Claudia; Weilg, C.; Silva Caso, Wilmer; Valverde Ezeta, Jorge (2019-07-25)
      Article
      Accés obert
      Human Metapneumovirus (hMPV) is a negative single-stranded RNA virus. Infection by hMPV mainly affects the pediatric population and can cause upper or lower respiratory tract pathologies which can develop life threating ...
    • Detection of hydraulic phenomena in francis turbines with different sensors 

      Valentín Ruiz, David; Presas Batlló, Alexandre; Valero Ferrando, Ma. del Carmen; Egusquiza Montagut, Mònica; Egusquiza Estévez, Eduard (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-19)
      Article
      Accés obert
      Nowadays, hydropower is demanded to provide flexibility and fast response into the electrical grid in order to compensate the non-constant electricity generation of other renewable sources. Hydraulic turbines are therefore ...
    • Detection of icing and actuator faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

      Rotondo, Damiano; Cristofaro, Andrea; Johansen, Tor Arne; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2016)
      Text en actes de congrés
      Accés obert
      This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
    • Detection of icing and actuators faults in the longitudinal dynamics of small UAVs using an LPV proportional integral unknown input observer 

      Rotondo, Damiano; Cristofaros, A; Johansen, T; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (IEEE Press, 2016)
      Text en actes de congrés
      Accés obert
      This paper proposes a linear parameter varying proportional integral unknown input observer (PI-UIO) for the diagnosis of actuator faults and icing in unmanned aerial vehicles. It is shown that in presence of sensor noise, ...
    • Detection of inter-turn faults in five-phase permanent magnet synchronous motors 

      Saavedra Ordóñez, Harold; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2014-11-27)
      Article
      Accés obert
      Five-phase permanent magnet synchronous motors (PMSMs) have inherent fault-tolerant capabilities. This paper analyzes the detection of inter-turn short circuit faults in five-phase PMSMs in their early stage, i.e. with ...
    • Detection of inter-turn faults in multi-phase ferrite-PM assisted synchronous reluctance machine 

      Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; López Torres, Carlos; García Espinosa, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2019-07-17)
      Article
      Accés obert
      Inter-turn winding faults in five-phase ferrite-permanent magnet-assisted synchronous reluctance motors (fPMa-SynRMs) can lead to catastrophic consequences if not detected in a timely manner, since they can quickly progress ...
    • Detection of inter-turns short circuits in permanent magnet synchronous motors operating under transient conditions by means of the zero sequence voltage 

      Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Saavedra Ordóñez, Harold; Romeral Martínez, José Luis (2011)
      Text en actes de congrés
      Accés obert
      This work proposes the zero sequence voltage component (ZSVC) of the stator three-phase voltages as a method for detecting winding inter-turns short circuits in permanent magnet synchronous motors PMSM operating under ...
    • Detection of interturn faults in PMSMs with different winding configuration 

      Saavedra Ordóñez, Harold; Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2014-03-03)
      Article
      Accés restringit per política de l'editorial
      Interturn faults in permanent magnet synchronous motors (PMSMs) may develop fast into more severe faults such as coil-to-coil, phase-to-phase and phase-to-ground short circuits. These faults are very destructive and may ...
    • Detection of irrigation inhomogeneities in an olive grove using the NDRE vegetation index obtained from UAV images 

      Jorge Sánchez, Juan; Vallbé Mumbrú, Marc; Soler, José Alberto (2019-01-01)
      Article
      Accés obert
      We have developed a simple photogrammetric method to identify heterogeneous areas of irrigated olive groves and vineyard crops using a commercial multispectral camera mounted on an unmanned aerial vehicle (UAV). By comparing ...
    • Detection of jacket offshore wind turbine structural damage using an 1D-convolutional neural network with a support vector machine layer 

      Tutivén Gálvez, Christian; Vidal Seguí, Yolanda (Institute of Physics (IOP), 2022-05-01)
      Article
      Accés obert
      Because offshore wind turbines, particularly their foundations, operate in hostile environments, implementing a structural health monitoring system is one of the best ways to monitor their condition, schedule maintenance, ...