Artículos de revista - Aldizkari artikuluak
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Modelling fibrillation potentials: analysis of time parameters in the muscle intracellular action potential
(IEEE, 2007) Artículo / ArtikuluaA single fibre action potential (SFAP) can be modelled as the convolution of a biolectrical source and a filter impulse response. In the Dimitrov-Dimitrova (D-D) convolutional model, the first temporal ... -
A new muscle architecture model with non-uniform distribution of muscle fiber types
(World Academy of Science, Engineering and Technology, 2007) Artículo / ArtikuluaAccording to previous studies, some muscles present a non-homogeneous spatial distribution of its muscle fiber types and motor unit types. However, available muscle models only deal with muscles with homogeneous ... -
Motor unit action potential duration, II: a new automatic measurement method based on the wavelet transform
(Lippincott, Williams & Wilkins, 2007) Artículo / ArtikuluaTo present and evaluate a new algorithm, based on the wavelet transform, for the automatic measurement of motor unit action potential (MUAP) duration. A total of 240 MUAPs were studied. The waveform of each MUAP was ... -
Motor unit action potential duration, I: variability of manual and automatic measurements
(Lippincott, Williams & Wilkins, 2007) Artículo / ArtikuluaTo analyze the variability in manual measurements of motor unit action potential (MUAP) duration and to evaluate the effectiveness of well-known algorithms for automatic measurement. Two electromyographists carried out ... -
Signal processing in ocean bottom seismographs for refraction seismology
(IEEE, 2006) Artículo / ArtikuluaThis paper presents some experimental results on the application of signal processing techniques to underwater seismic signals. The novelty of this paper stems from the fact that it is the first paper, to the best of the ... -
Independent component analysis as a tool to eliminate artifacts in EEG. A quantitative study
(Lippincott, Williams & Wilkins, 2003) Artículo / ArtikuluaIndependent component analysis (ICA) is a novel technique that calculates independent components from mixed signals. A hypothetical clinical application is to remove artifacts in EEG. The goal of this study was to apply ... -
Knots untie: molecular determinants involved in knot formation Induced by Pseudomonas savastanoi in woody hosts
(Frontiers Media, 2017) Artículo / ArtikuluaThe study of the molecular basis of tree diseases is lately receiving a renewed attention, especially with the emerging perception that pathogens require specific pathogenicity and virulence factors to successfully colonize ... -
Implementation and control of a residential electrothermal microgrid based on renewable energies, a hybrid storage system and demand side management
(MDPI, 2014) Artículo / ArtikuluaThis paper proposes an energy management strategy for a residential electrothermal microgrid, based on renewable energy sources. While grid connected, it makes use of a hybrid electrothermal storage system, formed by a ... -
Un nuevo algoritmo en programación signomial
(Sociedad Española de Estadística e Investigación Operativa, 1992) Artículo / ArtikuluaLa técnica de programación geométrica resuelve problemas no lineales en los que tanto la función objetivo como las restricciones son expresiones posinomiales con coeficientes positivos. La teoría de programación signomial ... -
Los retículos de las clases de Schunck normales y de las clases derivadas
(Real Sociedad Matemática EspañolaCSIC, 1979) Artículo / ArtikuluaAll groups to be considered are finite. The main result of this paper is the following: the normal Schunck classes compose a complete and distributive lattice antiisomorphic to the lattice composed by the derived classes. ... -
Grupos primitivos con subgrupos maximales pequeños
(Universidad Autónoma de Barcelona, Departamento de Matemáticas, 1985) Artículo / Artikulua -
Optimization of a pin surface as a solution to suppress cavity modes in a packaged W-band microstrip receiver
(IEEE, 2014) Artículo / ArtikuluaA pin surface structure has been used in the upper metal plate of a packaged W-band RF front-end receiver in order to suppress the propagation of unwanted modes. A full parametric analysis of the periodic structure within ... -
A multipolar analysis of near-field absorption and scattering processes
(IEEE, 2013) Artículo / ArtikuluaA multipolar formulation is adopted to investigate the absorption and scattering processes involved in near-field interactions. This approach allows one to determine the upper bounds for the absorbed and radiated powers ... -
Least upper bounds of the powers extracted and scattered by bi-anisotropic particles
(IEEE, 2014) Artículo / ArtikuluaThe least upper bounds of the powers extracted and scattered by bi-anisotropic particles are investigated analytically. A rigorous derivation for particles having invertible polarizability tensors is presented, and the ... -
Near-field electromagnetic trapping through curl-spin forces
(American Physical Society, 2013) Artículo / ArtikuluaNear-field electromagnetic trapping of particles is generally obtained bymeans of gradient forces. In this paper, we discuss the attractive behavior of curl-spin forces, as well as their potential for near-field ... -
Electromangetic force density in electrically and magnetically polarizable media
(American Physical Society, 2013) Artículo / ArtikuluaThe force density induced by electromagnetic fields in electrically and magnetically polarizable media is studied analytically. Different formulations of the force density as a function of field-related quantities, ... -
Circuit approach to the minimal configuration of terahertz anomalous extraordinary transmission
(American Institute of Physics, 2011) Artículo / ArtikuluaIn this letter we present an in-depth circuit analysis of anomalous extraordinary transmission ET through subwavelength slit and hole arrrays loaded by a dielectric slab. We show the key role played by the thickness of the ... -
Design of concentric ring antenna arrays for isoflux radiation in GEO satellites
(Institute of Electronics, Information and Communication Engineers (IEICE), 2011) Artículo / ArtikuluaThe design of concentric rings arrays for isoflux radiation is reported in this paper. This design considers the reduction of the side lobe level and the isoflux radiation requirements for Geostationary Earth Orbit (GEO) ... -
Resolution capabilities of future THz cameras
(Radioengineering Society, 2011) Artículo / ArtikuluaTHz technology for developing imaging systems has recently aroused great interest, mainly due to the large number of applications in which these frequencies can be used: security, vision in hard environments, etc. In ... -
Decoupling of multifrequency dipole antenna arrays for microwave imaging applications
(Hindawi Publishing Corporation, 2010) Artículo / ArtikuluaThe mutual coupling between elements of a multifrequency dipole antenna array is experimentally investigated by S-parameter measurements and planar near-field scanning of the radiated field. A multifrequency array with ...
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