Examinar INVESTIGACIÓN por departamento (eus.) "Elektrizitatea eta elektronika"
Now showing items 121-140 of 404
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Convergence Properties and Fixed Points of Two General Iterative Schemes with Composed Maps in Banach Spaces with Applications to Guaranteed Global Stability
(Hindawi Publishing, 2014)This paper investigates the boundedness and convergence properties of two general iterative processes which involve sequences of self-mappings on either complete metric or Banach spaces. The sequences of self-mappings ... -
Corrective Focus Detection in Italian Speech Using Neural Networks
(Óbuda University, 2018-11)The corrective focus is a particular kind of prosodic prominence where the speaker is intended to correct or to emphasize a concept. This work develops an Artificial Cognitive System (ACS) based on Recurrent ... -
Coupled Optimal Results with an Application to Nonlinear Integral Equations
(MDPI, 2021-04-22)In the present work, we consider the best proximal problem related to a coupled mapping, which we define using control functions and weak inequalities. As a consequence, we obtain some results on coupled fixed points. Our ... -
Crossover Dynamics of Rotavirus Disease under Fractional Piecewise Derivative with Vaccination Effects: Simulations with Real Data from Thailand, West Africa, and the US
(MDPI, 2022-12-14)Many diseases are caused by viruses of different symmetrical shapes. Rotavirus particles are approximately 75 nm in diameter. They have icosahedral symmetry and particles that possess two concentric protein shells, or ... -
Defects structure characterization of NiMnGa alloys by PALS
(IOP Publishing, 2013)We have studied the behaviour of defects in off-stoichiometric Ni-Mn-Ga ferromagnetic shape memory alloys by means of positron lifetime spectroscopy. The measurements presented in this work have been performed in six ternary ... -
Design and Electronic Implementation of Machine Learning-based Advanced Driving Assistance Systems
(2022-03-25)Esta tesis tiene como objetivo contribuir al desarrollo y perfeccionamiento de sistemas avanzados a la conducción (ADAS). Para ello, basándose en bases de datos de conducción real, se exploran las posibilidades de ... -
Design and Manufacturing of accelerator components for use on linacs.
(2017-07-26)En esta tesis se investiga desde el punto de vista tanto teórico como práctico el uso de cuadrupolos de imanes permanentes (PMQ) para crear las estructuras de focalización dentro de un acelerador basado en tubos de deriva ... -
Design and Topological Characterization of 2D Photonic Crystals
(2022-01-27)En esta tesis se describe la metodología necesaria para caracterizar la topología de cristales fotónicos bidimensionales. Se muestran diferentes métodos basados en invariantes topológicas y en teoría de grupos, así como ... -
Design, analysis and implementation of a versatile low level radio frequency system for accelerating cavities
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2011-10-03)[ES]En esta tesis se describen diversas soluciones analógicas y digitales para realizar sistemas de control LLRF (Radio Frecuencia de Bajo Nivel) para cavidades resonantes de radiofrecuencia de aceleradores de partículas. ... -
Detection of Atomic Scale Changes in the Free Volume Void Size of Three-Dimensional Colorectal Cancer Cell Culture Using Positron Annihilation Lifetime Spectroscopy
(Public Library of Science, 2014-01-02)Positron annihilation lifetime spectroscopy (PALS) provides a direct measurement of the free volume void sizes in polymers and biological systems. This free volume is critical in explaining and understanding physical and ... -
Detection of Sarcasm and Nastiness: New Resources for Spanish Language
(Springer, 2018-06-29)The main goal of this work is to provide the cognitive computing community with valuable resources to analyze and simulate the intentionality and/or emotions embedded in the language employed in social media. Specifically, ... -
Development of Heusler-alloy. based magnetocaloric inks for 2D - 3D printing
(2024-02-23)This doctoral thesis explores sustainable cooling technologies through the magnetocaloric effect. Focusing on NiMn-based Heusler alloys, the research investigates the impact of composition and annealing effect on magnetic ... -
Development of Magnetically Active Scaffolds for Bone Regeneration
(MDPI, 2018-09)This work reports on the synthesis, with the thermally induced phase separation (TIPS) technique, of poly (l-lactide) (PLLA) scaffolds containing Fe-doped hydroxyapatite (FeHA) particles for bone regeneration. Magnetization ... -
Development of new high anisotropy phases for permanent magnet applications
(2018-11-26)The development of last generation permanent magnets is strongly linked to the use of critical and / or strategic raw materials such as rare earths (RE), and especially heavy rare earths. In the case of Nd2Fe14B, magnets, ... -
Development of new Ni-Mn-Ga based high temperature shape memory alloys.
(2019-06-14)Desarrollo de aleaciones con memoria de forma, tanto como convencional, SMAs, como magnética, FSMAs, para aplicaciones a alta temperatura. Estudio de las propiedades magnéticas, estructurales y mecánicas de las aleaciones ... -
Développement des méthodes de stabilisation pour la conception des circuits hyperfréquences : application à l'optimisation d'un amplificateur de puissance spatial
(2011-04-06)[fre]Eviter toute oscillation non désirée est une question majeure pour la conception optimale de tout type de circuits hyperfréquences. Ceci est d'autant plus critique en technologie MMIC (Monolithic Microwave Integrated ... -
Dialogue Management and Language Generation for a Robust Conversational Virtual Coach: Validation and User Study
(MDPI, 2023-01-27)Designing human–machine interactive systems requires cooperation between different disciplines is required. In this work, we present a Dialogue Manager and a Language Generator that are the core modules of a Voice-based ... -
Diffusional Behavior of New Insulating Gas Mixtures as Alternatives to the SF6-Use in Medium Voltage Switchgear
(MDPI, 2022-01-28)Regarding the use of SF6 in medium voltage switchgear (MVS), a review of alternatives was encouraged by the European Parliament in Regulation No 517/2014. This is aimed at a new regulatory change, that is expected soon, ... -
Double Sawi Transform: Theory and Applications to Boundary Values Problems
(MDPI, 2023-04-15)Symmetry can play an important role in the study of boundary value problems, which are a type of problem in mathematics that involves finding the solutions to differential equations subject to given boundary conditions. ... -
Driving-Style Assessment from a Motion Sickness Perspective Based on Machine Learning Techniques
(MDPI, 2023-01-23)Ride comfort improvement in driving scenarios is gaining traction as a research topic. This work presents a direct methodology that utilizes measured car signals and combines data processing techniques and machine learning ...