Exploració per tema "Camps electromagnètics"
Ara es mostren els items 21-39 de 39
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Full wave analysis of the image hybrid dielectric/HTS resonator
(Institution of Electrical Engineers, 1997-06)
Article
Accés obertAn analysis of the image hybrid dielectric/HTS resonator is carried out. A full-wave radial mode-matching method is used to obtain the electromagnetic fields inside the resonator for single TE01 and dual HE11 modes. The ... -
Generalization of the equivalence between physical optics and aperture integration for radiation from open-ended structures
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2002-06-30)
Article
Accés obertThe theorem of equivalence between the Kirchhoff aperture integration (AI) and the physical optics (PO) approach applied to the interior walls of a open-ended waveguide is generalized to the case of any open-ended structure (OES). -
Infrared thermograms applied to near-field testing
(IEE-INST ELEC ENG, 1999-05-31)
Article
Accés obertElectromagnetic 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
(2021)
Comunicació de congrés
Accés restringit per política de l'editorialAn 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
(1994-12)
Article
Accés obertWe 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
(Universitat Politècnica de Catalunya, 2013-12-19)
Projecte/Treball Final de Carrera
Accés obert[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
(1985-02-01)
Article
Accés obertThe 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
(Universitat Politècnica de Catalunya, 2015-01-16)
Projecte/Treball Final de Carrera
Accés obert[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 ... -
Meshing strategies for 3d geo-electromagnetic modeling in the presence of metallic infrastructure
(2023)
Article
Accés obertIn 3D geo-electromagnetic modeling, an adequate discretisation of the modeling domain is crucial to obtain accurate forward responses and reliable inversion results while reducing the computational cost. This paper ... -
Mesura del camp electrostàtic natural aplicat a la detecció de descàrregues atmosfèriques
(2002)
Comunicació de congrés
Accés restringit per decisió de l'autorLa 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
(Universitat Politècnica de Catalunya, 2019-07)
Treball Final de Grau
Accés obert
Realitzat a/amb: State University of New York at BuffaloThe 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
(2018)
Comunicació de congrés
Accés restringit per política de l'editorialThe 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
(Universidad de Oviedo, 2016)
Text en actes de congrés
Accés obertThis 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
(Universitat Politècnica de Catalunya, 2011-07-25)
Treball Final de Grau
Accés obert -
Radiation of implanted antenna in the multi-layer spherical model of body tissues: RFID using the Frequency Splitting phenomenon
(Universitat Politècnica de Catalunya, 2021-06)
Treball Final de Grau
Accés obert
Realitzat a/amb: École polytechnique fédérale de LausanneElectrical 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
(Universitat Politècnica de Catalunya, 2013-09-09)
Projecte Final de Màster Oficial
Accés obert[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
(2014)
Text en actes de congrés
Accés obert -
The effect of ELF electric fields on implantable cardioverter defibrillators
(Universitat Politècnica de Catalunya / Tampere University of Technology, 2012-04-02)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: 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
(Universitat Politècnica de Catalunya, 2017-07-17)
Tesi
Accés obertResonant 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 ...