Exploració per tema "Camps elèctrics"
Ara es mostren els items 21-40 de 51
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Extension of the application range of a resonant cavity for permittivity measurement
(Universitat Politècnica de Catalunya, 2017-03)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Facet-oriented discretization of the electric-magnetic field integral equation for the accurate scattering analysis of perfectly conducting sharp-edged objects
(2011)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, we present the discretization in Method of Moments of the Electric-Magnetic Field Equation with the divergence-Taylor-Orthogonal basis functions, a facetoriented set of basis functions. We show for a ... -
Field-Induced Transport in Sulfonated Poly(styrene-co-divinylbenzene) Membranes
(American Chemical Society (ACS), 2010-12-06)
Article
Accés obertAtomistic simulations have been carried to investigate electric field induced transport of hydronium ions in a sulfonated poly(styrene-co-divinylbenzene) membrane. In order to provide a good description of this cross-linked ... -
Generation of intense few-cycle phase-stable electric fields: from the mid-IR to soft X-rays
(Universitat Politècnica de Catalunya, 2016-02-29)
Tesi
Accés obertDevising new tools that expand our capabilities to sense and manipulate the world enables much of the scientific and technological progress around us. For example, light is increasingly more important as a tool for humanity. ... -
La torre instrumentalitzada del Niu de l'Àliga per a la mesura de corrent de llamps
(ACAM, 2007)
Comunicació de congrés
Accés restringit per decisió de l'autorEl passat 28 de Juliol del 2007 es va inaugurar oficialment la torre instrumentalitzada per a la mesura de corrents de llamps del Niu de l’Àliga (Alp, 2537 m). Aquesta torre és actualment la cinquena torre actualment ... -
Liquid-crystalline hybrid materials based on (60) fullerene and bent-core structures
(2011-12-23)
Article
Accés restringit per política de l'editorialWhat a core-ker! By the appropriate combination of promesogenic bent-core structures and the C60 unit, lamellar polar liquid-crystal phases were induced (see scheme). The supramolecular organization of the functional ... -
LMA observations of upward lightning flashes at the Säntis Tower initiated by nearby lightning activity
(2020-04)
Article
Accés obertWe present in this paper lightning current measurements, LMA (Lightning Mapping Array) data and fast antenna electric fields associated with upward flashes observed at the Säntis Tower during summer of 2017. The LMA network ... -
Nonconforming discretization of the combined-field integral equation with volumetric testing
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialRecent attention has been devoted to the development of nonconforming method-of-moment (MoM) implementations of the Electric-Field Integral Equation (EFIE), which provide current solutions with no continuity constraints ... -
Nonconforming discretization of the Magnetic-Field Integral Equation with volumetric testing
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe RWG-discretization in Method of Moments (MoM) of the Magnetic-Field and Electric-Field Integral Equations (MFIE, EFIE) show evident discrepancy in the computed RCS, especially for small objects with edges and corners. ... -
Orthogonal basis functions for the discretization of the Magnetic-Field Integral Equation in the Low Frequency regime
(2010)
Text en actes de congrés
Accés restringit per política de l'editorialWe compare the accuracy in the RCS computation from the discretization in Method of Moments of the Magneticfield Integral Equation of two different sets of orthogonal facetoriented basis functions: (i) a recently proposed ... -
Parametric attosecond pulse amplification far from the ionization threshold from high order harmonic generation in He+
(2020-07-31)
Article
Accés obertParametric amplification of attosecond coherent pulses around 100 eV at the single– atom level is demonstrated for the first time by using the 3D time–dependent Schrödinger equation in high–harmonic generation processes ... -
Particle size effect on the microstructure and the aging process of flash-sintered barium titanate from micro and nanopowders
(Royal Society of Chemistry (RSC), 2023-08-08)
Article
Accés obertFlash sintering is a novel sintering technique that allows high-density ceramics to be obtained at low temperatures and using short dwell times, thus providing an energy-efficient alternative to conventional sintering. The ... -
Physiological conditioning by electric field stimulation promotes cardiomyogenic gene expression in human cardiomyocyte progenitor cells
(2014-08-04)
Article
Accés obertThe optimal cell lineage for cardiac-regeneration approaches remains mysterious. Additionally, electrical stimulation promotes cardiomyogenic differentiation of stimulated cells. Therefore, we hypothesized that electrical ... -
Regularization of the 2D TE-EFIE for homogeneous objects discretized by the Method of Moments with discontinuous basis functions
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe discretization of the Electric-Field Integral Equation (EFIE) by the Method of Moments (MoM) for a transversal electric (TE) illuminating wave impinging on an infinitely long cylinder (2D-object) is traditionally carried ... -
Resultado de las medidas de campo eléctrico y electrostático para la caracterización de rayos
(2004)
Comunicació de congrés
Accés restringit per decisió de l'autorDurante el verano del 2003 se realizó en Cataluña una campaña de medidas de campo electrostático y eléctrico en situaciones de tormenta. La finalidad de esta campaña fue la recolección de datos de campo eléctrico cara ... -
Study of the exposure to time-varying electric field in the ESEIAAT UPC School
(2016)
Comunicació de congrés
Accés obertIn this paper, the level of exposure to time-varying electric fields up to 18 GHz in the main building of the ESEIAAT School at the Universitat Politècnica de Catalunya, located in the Terrassa Campus (Barcelona, Spain), ... -
Tangential-normal line testing for a nonconforming discretization of the Transversal-Electric Electric-Field Integral Equation for 2D conductors
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe Method-of-Moment (MoM) discretization of the Electric-Field Integral Equation (EFIE) for a transversal electric (TE) illuminating plane wave impinging on an infinitely long cylinder (2D-object) traditionally ... -
Tangential-normal surface testing for the nonconforming discretization of the electric-field integral equation
(2016-01-12)
Article
Accés obertNonconforming implementations of the electric-field integral equation (EFIE), based on the facet-oriented monopolar-RWG set, impose no continuity constraints in the expansion of the current between adjacent facets. These ... -
Testing over the boundary interface for the nonconforming discretization of the Electric-Field Integral Equation
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialMethod-of-moment (MoM) implementations of the Electric-field Integral Equation (EFIE) in the scattering analysis of infinitely long (2D) or arbitrarily shaped (3D) conductors have traditionally required, respectively, ... -
The influence of the voltage-time derivative in X-rays emission from laboratory sparks
(2010-08-23)
Article
Accés obertX-ray produced by laboratory sparks in air at atmospheric pressure for rod-rod and rod-plane configurations were observed. A total of 585 sparks were applied with both polarities. The paper shows the effects of the voltage ...