Exploració per tema "Fourier, Anàlisi de"
Ara es mostren els items 11-30 de 32
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Estudio de viabilidad de sensores inerciales (IMUs) para el análisis del Timed Up & Go test
(Universitat Politècnica de Catalunya, 2020-06)
Treball Final de Grau
Accés obertAlcanzar a edades muy avanzadas, por ende, la tercera edad, implica cambios de rendimiento físico y mental. Esos cambios naturalmente se traducen en deterioro de las funciones físicas llegando a convertirse en incapacidades. ... -
Fourier analysis of submillimeter-wave scattering from the human cornea
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertWave scattering from a human cornea illuminated with a submillimeter-wave Gaussian beam is explored with Fourier analysis. This new approach enabled us to investigate the cornea as a coated sphere rather than a homogenized ... -
Fractional powers of the Laplace operator
(Universitat Politècnica de Catalunya, 2023-06)
Treball Final de Grau
Accés obertAquesta tesi tracta sobre l'estudi de les potències fraccionaries de l'operador laplacià. Al primer capítol estudiarem diverses definicions i interpretacions d'aquest operador a $\R^n$, que denotarem per $(-\Delta)^s$ amb ... -
Implementation of the parametric representation of the Fourier transform in fabrics
(2007-06)
Article
Accés obert -
Just in time calculations for partially coherent imaging
(Universitat Politècnica de Catalunya, 2019-07-23)
Projecte Final de Màster Oficial
Accés obertAlgorithms to calculate partially coherent image formation are centered around the classic formula developed by Hopkins. Algebraic methods have been developed to make feasible the integration process, although with strong ... -
Limit distribution of Hodge spectral exponents of plane curve singularities
(Universitat Politècnica de Catalunya, 2023-09-14)
Projecte Final de Màster Oficial
Accés obertK. Saito va formular la pregunta de si una distribució continua és el límit de la distribució dels exponents espectrals de Hodge a l'interval [0,1) d'una hipersuperfície quan aquesta es mou en un sentit que s'ha de precisar. ... -
Melt fracturing and healing: a mechanism for rhyolite magma degassing and origin of obsidian
(2011)
Article
Accés obertWe present water content transects across a healed fault in pyroclastic obsidian from Lami pumice cone, Lipari, Italy, using synchrotron Fourier transform infrared spectroscopy. Results indicate that rhyolite melt degassed ... -
Multi mode fiber imaging for endoscopy applications
(Universitat Politècnica de Catalunya, 2019-07)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
Non-relativistic Bondi-Metzner-Sachs algebra
(2017-09-21)
Article
Accés obertWe construct two possible candidates for non-relativistic bms(4) algebra in four space-time dimensions by contracting the original relativistic bms(4) algebra. bms(4) algebra is infinite-dimensional and it contains the ... -
Novel characterization method of impedance cardiography signals using time-frequency distributions
(Springer, 2018-10)
Article
Accés obertThe purpose of this document is to describe a methodology to select the most adequate time-frequency distribution (TFD) kernel for the characterization of impedance cardiography signals (ICG). The predominant ICG beat was ... -
Otolith shape classification for fish stock discrimination
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe shape analysis of otoliths, which are calcified structures in the inner ear of teleostean fishes, is known to be particularly relevant to address species identification and stock discrimination. Generally, scientists ... -
Parametrización en envolvente y fase en sistemas de codificación
(Fundación Universidad-Empresa, 1986)
Text en actes de congrés
Accés obertEn estos últimos años, se han dedicado muchos esfuerzos al estudio de funciones asociadas como el módulo y la fase de la Transformada de Fourier para reducción de ancho de banda. En este trabajo se estudia la importancia ... -
Phase estimation and order finding using the quantum fourier transform
(Universitat Politècnica de Catalunya, 2020-07)
Projecte Final de Màster Oficial
Accés obertQuantum computing over the past few decades has experienced a huge boost, due in part to the discovery of algorithms such as the Shor's algorithm which promises a significant reduction in complexity compared to its analogues ... -
Prediction of image partitions using Fourier descriptors: application to segmentation-based coding schemes
(1998-04)
Article
Accés obertThis paper presents a prediction technique for partition sequences. It uses a region-by-region approach that consists of four steps: region parameterization, region prediction, region ordering, and partition creation. The ... -
Regularity of maximal functions and operator semigroups
(Universitat Politècnica de Catalunya, 2023-06)
Projecte Final de Màster Oficial
Accés obertThis work is about regularity properties of maximal functions. The first part of the project is dedicated to the study of the fundamental aspects of the Hardy-Littlewood maximal function and, additionally, when the boundedness ... -
Shannon wavelets in computational finance
(Universitat Politècnica de Catalunya, 2017-07)
Projecte Final de Màster Oficial
Accés obertDerivative securities, when used correctly, allow investors to increase their expected profits and minimize their exposure to risk. Options offer leverage and insurance for risk-averse investors while they can be used as ... -
Split step fourier method implemented in s-function
(2006)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autor
Realitzat a/amb: Cork Institute of Technology -
Static and dynamic amplitude modulation of light in a twisted nematic liquid crystal display
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2013)
Comunicació de congrés
Accés restringit per política de l'editorialA SLM has been experimentally characterized in terms of amplitude modulation versus the gray level distribution (input signal) electronically addressed to the pixelated display in two conditions: input constant with time, ... -
The Hilbert transform: introduction and applications
(Universitat Politècnica de Catalunya, 2017-01)
Projecte Final de Màster Oficial
Accés obertThe Hilbert transform is introduced from the mathematical point of view with the purpose in mind to use its properties in signal analysis applications. An important relation with the Fourier transform will be introducted ... -
Transformada de Fourier: aplicaciones al procesamiento del señales
(Universitat Politècnica de Catalunya, 2017-01)
Treball Final de Grau
Accés obertEl trabajo consiste en una sección teórica y una práctica, con el objetivo de introducirnos al análisis de Fourier. En la primera de estas presentamos las definiciones y resultados más relevantes sobre Series de Fourier y ...
