Exploració per tema "Anàlisi espectral"
Ara es mostren els items 21-40 de 172
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Anomalies detection in the infrared spectrum of Plasma Physics at Weldenstein 7-X
(Universitat Politècnica de Catalunya, 2019-06-27)
Treball Final de Grau
Accés obertLas energías renovables son el futuro, y el estudio de estas todavía está en investigación y desarrollo. Los reactores de fusión pueden dar paso a un nuevo mundo dentro de la energía nuclear, muy diferente del que conocemos ... -
Aplicación de la espectroscopía de infrarrojo para el estudio de procesos de cristalización y polimerización. Aplicación de nuevos materiales derivados de ácido glicólico
(Universitat Politècnica de Catalunya, 2009-11)
Projecte/Treball Final de Carrera
Accés obertEn el presente Proyecto Final de Carrera se realiza la síntesis de las sales de sodio, potasio y cesio del ácido N-cloroacetil-6-aminohexanoico y se estudia su reactividad mediante espectroscopia de infrarrojo de reflexión ... -
Arbre de partition binaire: Un nouvel outil pour la représentation hiérarchique et l’analyse des images hyperspectrales
(2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis problem discusses here is the hierarchical representation and processing of the hyperspectral imaging. In this framework, Binary Partition Trees (BPTs) are proposed as new hierarchical region-based representation. ... -
ARMA model maximum entropy power spectral estimation
(1984-10)
Article
Accés obert -
Artwork imaging from 370 to 1630 nm using a novel multispectral system based on light-emitting diodes
(2014-08-01)
Article
Accés restringit per política de l'editorial -
Attosecond core-level spectroscopy reveals the flow of excitation in a material between light, carriers and phonons
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obertWe use attosecond core-level X-ray spectroscopy to disentangle the spectral and dynamical signatures of energy conversion pathways between photons, charge carriers and the lattice in graphite with attosecond precision and ... -
Attosecond sublevel beating and nonlinear dressing on the 3d-to-5p and 3p-to-5s core-transitions at 91.3 eV and 210.4 eV in krypton
(2017-12-11)
Article
Accés obertApplying extreme ultraviolet (XUV) transient absorption spectroscopy, the dynamics of the two laser dressed transitions 3d5/2-to-5p3/2 and 3p3/2-to-5s1/2 at photon energies of 91.3 eV and 210.4 eV were examined with ... -
Automatic Media Identification
(Universitat Politècnica de Catalunya, 2011-02-25)
Projecte/Treball Final de Carrera
Accés obertCatalà: Identificació automàtica de paper basat en mesures espectrals i de radiació difusa. -
Automation Platform for Radio Spectrum Measures
(Universitat Politècnica de Catalunya, 2014-06)
Treball Final de Grau
Accés obert[ANGLÈS] Spectrum analyzers are one of the most powerful equipment to study radio communications systems. Nowadays, due to the expansion of these systems with the consequent growth of traffic demand it is basic to study ... -
C60 solvate with (1,1,2)-trichloroethane: dynamic statistical disorder and mixed conformation
(2016-05-27)
Article
Accés obertWe present a full characterization of the orientationally disordered cocrystal of C-60 with (1,1,2)-triChloroethane (C2H3Cl3), by means of X-ray diffraction, Raman spectroscopy, and broadband dielectric spectroscopy. Our ... -
Caracterització espectral i fotomètrica d'una tauleta. Mesura de l'agudesa visual sota diferents temperatures de color de la pantalla
(Universitat Politècnica de Catalunya, 2022-06-21)
Treball Final de Grau
Accés obertObjectius: En aquest estudi es realitza el calibratge fotomètric així com el calibratge espectral i cromàtic de la pantalla d’una tauleta Samsung Galaxy Tab A7 SM-T500. A més, s’analitza si la temperatura de color ... -
Caracterització optoelectrònica del grafè sobre diferents substrats a altes freqüències
(Universitat Politècnica de Catalunya, 2014-09-09)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] This project presents a study for both optic and electronic properties of graphene and possible variations of different physical magnitudes that are produced in a material when a single layer of graphene is deposited ... -
Caracterización estacional de la hidrodinámica interior del Puerto de Tarragona
(Universitat Politècnica de Catalunya, 2012-06)
Tesina
Accés obert[ANGLÈS] Reducing environmental impact is becoming a major issue in harbours, new environmental regulations are more stringent and harbours must maintain a good image, which does not affect the nearby urban areas and ... -
Cepstrum constraints in ME spectral estimation
(Institute of Electrical and Electronics Engineers (IEEE), 1983)
Text en actes de congrés
Accés obertCurrent trends in spectral estimation techniques follow basicaly two guidelines; by introducing modifications in the objctive function to be minimized or, keeping the objetive, by modifying the set of constraints in the ... -
Ceria-based catalysts studied by near ambient pressure x-ray photoelectron spectroscopy: A review
(2020-03-03)
Article
Accés obertThe development of better catalysts is a passionate topic at the forefront of modern science, where operando techniques are necessary to identify the nature of the active sites. The surface of a solid catalyst is dynamic ... -
Characterization and phantom validation of a device for the bio-photonic imaging of the infant brain
(Universitat Politècnica de Catalunya, 2023-01-23)
Treball Final de Grau
Accés restringit per acord de confidencialitat
Realitzat a/amb: Institut de Ciències Fotòniques (ICFO) -
Chitosan microcapsules: methods of the production and use in textile finishing
(Wiley, 2021-01-13)
Article
Accés obertBiopolymeric chitosan is considered a promising encapsulating agent for tex-tile applications due to its biocompatibility, lack of toxicity, antibacterial activ-ity, high availability, and low cost. After cellulose, it is ... -
Classification d’images hyperspectrales pour la caractérisation du milieu urbain par une approche multirésolution
(Universitat Politècnica de Catalunya, 2008-06)
Projecte/Treball Final de Carrera
Accés obertThe classification of optical urban remote‐sensing images is addressed. Support Vector Machines (SVM) are proposed to classify hyperspectral images. An introduction to SVM is given in this report in order to help understand ... -
Classification of textile samples using data fusion combining near- and mid-infrared spectral information
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-07-29)
Article
Accés obertThere is an urgent need to reuse and recycle textile fibers, since today, low recycling rates are achieved. Accurate classification methods for post-consumer textile waste are needed in the short term for a higher circularity ... -
Comparación de correctores automáticos de artefactos en series RR
(Universitat Politècnica de Catalunya, 2013-02-08)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] This End of Degree Project (EDP) analyzes three commercial software which correct Hear Rate Variability (HRV) RR time series. The analysis was performed by entering the RR time series in each program with an ...