Browsing by Subject "Camps electromagnètics"

Now showing items 21-36 of 36

    • Infrared thermograms applied to near-field testing 

      González Arbesú, José María; Aguasca Solé, Alberto; Romeu Robert, Jordi (IEE-INST ELEC ENG, 1999-05-31)
      Article
      Open Access
      Electromagnetic fields close to radiant structures can be measured quickly using an infrared camera. Examples of induced fields by wire antennas over a detection screen at distances shorter than one wavelength are presented. ...

    • Investigation of radial top-hat electric field distributions for corneal reflectometry using modified Fourier optics method 

      Lamberg, Joel; Zarrinkhat, Faezeh; Tamminen, Aleksi; Khaled, Elsayed E. M.; Taylor, Zachary (2021)
      Conference lecture
      Restricted access - publisher's policy
      An efficient Fourier optics method for synthesizing a required incident beam to compute the internal and scattered electromagnetic fields from known spherical surface electric field distribution is presented. © 2021 IEEE

    • Magnetic field sensitivity of variable thickness microbridges in tbcco, bscco and ybco 

      Davidson, B A; Redwing, Rd; Nguyen, T; O'Callaghan Castellà, Juan Manuel; Raissi, F; Lee, J V; Bruke, J P; Hohenwarter, Gkg; Nordman, J E; Beyer, J B (1994-12)
      Article
      Open Access
      We describe results of a study comparing the magnetic field sensitivities of variable thickness bridge (VTB) arrays fabricated in TBCCO, BSCCO, and YBCO thin films. Identical structures were patterned in a variety of films, ...

    • Magnetic validation system for steel fiber reinforced concrete 

      Brosa Ciércoles, Eric (Universitat Politècnica de Catalunya, 2013-12-19)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Steel fiber reinforced concrete structures is a newly-introduced composite material in building construction that is growing bigger since its first proposal during the 80’s. However, there are some design requirements, ...

    • Maxwell equations in the Debye potential formalism 

      Fayos Vallés, Francisco; Llanta Salleras, Estanislao; Llosa, J (1985-02-01)
      Article
      Open Access
      The authors propose a method for computing the electromagnetic test-field created by a given distribution of charges and currents using the Debye potential formalism in curved space-times. This framework has been applied ...

    • MEFISTO: Caracterització de polsos làser ultracurts 

      Rodríguez Valls, Eloi (Universitat Politècnica de Catalunya, 2015-01-16)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Due to their extremely short time duration and their high intensity, ultrashort laser pulses play an important role in many science and technology fields. In most of their applications, pulses must be characterized ...

    • Mesura del camp electrostàtic natural aplicat a la detecció de descàrregues atmosfèriques 

      Montañá Puig, Juan (2002)
      Conference lecture
      Restricted access - author's decision
      La qualitat de subministrament elèctric, la fiabilitat dels equips i sistemes electrònics; i les comunicacions, van íntimament lligades a l'estudi del llamp des de la vessant de la compatibilitat electromagnètica.

    • Multiphysics Modeling of Graphene-based Plasmonic Devices for Terahertz-Band Communication 

      Cantos Roman, Xavier (Universitat Politècnica de Catalunya, 2019-07)
      Bachelor thesis
      Open Access
      Covenantee:   State University of New York at Buffalo
      The Terahertz Band (0.1-10 THz) is envisioned as a key a wireless technology that will enable Terabit-per-second data rate, which is expected to become a reality within the next five years. One of the main problems of this ...

    • Nonconforming domain decomposition method for the flexible analysis of multiscale penetrable structures 

      Sekulic, Ivan; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (2018)
      Conference lecture
      Restricted access - publisher's policy
      The Poggio-Miller-Chan-Harrington-Wu-Tsai (PM- CHWT) integral equation discretized with the method of mo- ments (MoM) in conjunction with the edge-based Rao-Wilton- Glisson (RWG) set is normally used in the electromag ...

    • On the accuracy of the Adaptive Cross Approximation algorithm 

      Heldring, Alexander; Úbeda Farré, Eduard; Rius Casals, Juan Manuel (Universidad de Oviedo, 2016)
      Conference report
      Open Access
      This contribution identifies an often ignored source of uncertainty in the accuracy of the Adaptive Cross Approximation (ACA) algorithm.

    • Procediment per mesurar camps electromagnetics en ambients docents 

      Cadena Martin, Juan Manuel (Universitat Politècnica de Catalunya, 2011-07-25)
      Bachelor thesis
      Open Access

    • Radiation of implanted antenna in the multi-layer spherical model of body tissues: RFID using the Frequency Splitting phenomenon 

      Carreras Mallol, Sergi (Universitat Politècnica de Catalunya, 2021-06)
      Bachelor thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      Electrical and Telecommunication Engineering is nowadays playing a fundamental role in biomedical research and its applications. Microwave and Antenna Group at EPFL are working resolutely to help in this vital field for ...

    • Robust modular optical biosensors 

      Ahmed, Feroz (Universitat Politècnica de Catalunya, 2013-09-09)
      Master thesis
      Open Access
      [ANGLÈS] Optical Waveguide Light Spectroscopy (OWLS) is a type of label-free technique of optical bio-sensing. It is based on the coupling of laser light in an optical waveguide through a Diffraction Grating (DG) fabricated ...

    • Schumann Resonance spectral characteristics: a useful tool to study Transient Luminous Events (TLEs) on global scale 

      Guha, Anirban; Williams, Earle R.; Boldi, Robert; Satori, Gabriella; Nagy, Tamás; Montañá Puig, Juan; Ortega, Pascal (2014)
      Conference report
      Open Access

    • The effect of ELF electric fields on implantable cardioverter defibrillators 

      González Sosa, Jarold Aurelio (Universitat Politècnica de Catalunya / Tampere University of Technology, 2012-04-02)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Tampereen teknillinen korkeakoulu
      [ANGLÈS] Through research and technological advances, modern society has developed a variety of implantable devices that helps to optimize human's life quality. One of these devices is the implantable cardioverter defibrillator ...

    • Wireless power transfer : fueling the dots 

      Bou Balust, Elisenda (Universitat Politècnica de Catalunya, 2017-07-17)
      Doctoral thesis
      Open Access
      Resonant Inductive Coupling Wireless Power Transfer (RIC-WPT) has been proven to provide very high power transfer efficiencies (above 80%) for moderate distances, and is hence foreseen as a key technology to enable wireless ...