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Teses / dissertações sobre o tema "Interval filter"

Autor: Grafiati

Publicado: 14 de setembro de 2024

Última modificação: 19 de julho de 2025

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1

Avcu, Soner. "Radar Pulse Repetition Interval Tracking With Kalman Filter." Thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607691/index.pdf.

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In this thesis, the radar pulse repetition interval (PRI) tracking with Kalman Filter problem is investigated. The most common types of PRIs are constant PRI, step (jittered) PRI, staggered PRI, sinusoidally modulated PRI. This thesis considers the step (this type of PRI agility is called as constant PRI when the jitter on PRI values is eliminated) and staggered PRI cases. Different algorithms have been developed for tracking step and staggered PRIs cases. Some useful simplifications are obtained in the algorithm developed for step PRI sequence. Two different algorithms robust to the effects o

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2

Janapala, Arun. "RR INTERVAL ESTIMATION FROM AN ECG USING A LINEAR DISCRETE KALMAN FILTER." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3426.

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An electrocardiogram (ECG) is used to monitor the activity of the heart. The human heart beats seventy times on an average per minute. The rate at which a human heart beats can exhibit a periodic variation. This is known as heart rate variability (HRV). Heart rate variability is an important measurement that can predict the survival after a heart attack. Studies have shown that reduced HRV predicts sudden death in patients with Myocardial Infarction (MI). The time interval between each beat is called an RR interval, where the heart rate is given by the reciprocal of the RR interval expressed i

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3

Motwani, Amit. "Interval Kalman filtering techniques for unmanned surface vehicle navigation." Thesis, University of Plymouth, 2015. http://hdl.handle.net/10026.1/3368.

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This thesis is about a robust filtering method known as the interval Kalman filter (IKF), an extension of the Kalman filter (KF) to the domain of interval mathematics. The key limitation of the KF is that it requires precise knowledge of the system dynamics and associated stochastic processes. In many cases however, system models are at best, only approximately known. To overcome this limitation, the idea is to describe the uncertain model coefficients in terms of bounded intervals, and operate the filter within the framework of interval arithmetic. In trying to do so, practical difficulties a

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4

Nicklas, Richard B. "An application of a Kalman Filter Fixed Interval Smoothing Algorithm to underwater target tracking." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25691.

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A Fortran program was developed to implement a Kalman Filter and Fixed Interval Smoothing Algorithm to optimally data tracks generated by the short base-line tracking ranges at the Naval Torpedo Station, Keyport, Washington. The program is designed to run on a personal computer and requires as input a data file consisting of X, Y, and Z position coordinates in sequential order. Data files containing the filtered and smoothed estimates are generated by the program. This algorithm uses a second order linear model to predict a typical target's dynamics. The program listings are includes as append

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5

Galinis, William J. "Fixed interval smoothing algorithm for an extended Kalman filter for over-the-horizon ship tracking." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/27057.

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The performance of an extended Kalman filter used to track a maneuvering surface target using HFDF lines-of-bearing is substantially improved by implementing a fixed interval smoothing algorithm and a maneuver detection method that uses a noise variance estimator process. This tracking routine is designed and implemented in a computer program developed for this thesis. The Hall noise model is used to accurately evaluate the performance of the tracking algorithm in a noisy environment. Several tracking scenarios are simulated and analyzed. The application of the Kalman tracker to a tropical sto

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6

Mohammedi, Irryhl. "Contribution à l’estimation robuste par intervalle des systèmes multivariables LTI et LPV : Application aux systèmes aérospatiaux." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0142.

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Les travaux présentés dans ce mémoire de thèse visent à développer de nouvelles approches basées sur une nouvelle classe particulière d’estimateurs d´état : les filtres dits par intervalles. Tout comme la classe des observateurs intervalles, l’objectif est d’estimer les bornes supérieures et inférieures des états d’un système, à chaque instant de temps. L’approche proposée repose sur la théorie des systèmes monotones et sur la connaissance a priori du domaine d’appartenance, supposé borné, des incertitudes de modèle et des entrées exogènes (perturbations, bruit de mesure, etc). L’élément clé d

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7

Al, Mashhadani Waleed. "The use of multistaic radar in reducing the impact of wind farm on civilian radar system." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/the-use-of-multistaic-radar-in-reducing-the-impact-of-wind-farm-on-civilian-radar-system(a80fd906-e670-42a0-9efb-ea22250c87f2).html.

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The effects of wind farm installation on the conventional monostatic radar operation have been investigated in previous studies. The interference on radar operation is due to the complex scattering characteristics from the wind turbine structure. This research considers alternative approach for studying and potentially mitigating these negative impacts by adapting the multistatic radar system technique. This radar principle is well known and it is attracting research interest recently, but has not been applied in modelling the wind farm interference on multistatic radar detection and tracking

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8

Ipek, Ozlem. "Target Tracking With Phased Array Radar By Using Adaptive Update Rate." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611589/index.pdf.

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In radar target tracking problems, it may be required to use adaptive update rate in order to maintain the tracking accuracy while allowing the radar to use its resources economically at the same time. This is generally the case if the target trajectory has maneuvering segments and in such a case the use of adaptive update time interval algorithms for estimation of the target state may enhance the tracking accuracy. Conventionally, fixed track update time interval is used in radar target tracking due to the traditional nature of mechanically steerable radars. In this thesis, as an application

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9

Nicola, Jérémy. "Robust, precise and reliable simultaneous localization and mapping for and underwater robot. Comparison and combination of probabilistic and set-membership methods for the SLAM problem." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0066/document.

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Dans cette thèse on s'intéresse au problème de la localisation d'un robot sous-marin et de la cartographie en simultané d'un jeu de balises acoustiques installées sur le fond marin, en utilisant un distance-mètre acoustique et une centrale inertielle. Nous nous focalisons sur les deux approches principales utilisées pour résoudre ce type de problème: le filtrage de Kalman et le filtrage ensembliste basé sur l'analyse par intervalles. Le filtre de Kalman est optimal quand les équations d'état du robot sont linéaires et les bruits sont additifs, Gaussiens. Le filtrage par intervalles ne modélise

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10

Akhbari, Mahsa. "Analyse des intervalles ECG inter- et intra-battement sur des modèles d'espace d'état et de Markov cachés." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAT026.

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Les maladies cardiovasculaires sont l'une des principales causes de mortalité chez l'homme. Une façon de diagnostiquer des maladies cardiaques et des anomalies est le traitement de signaux cardiaques tels que le ECG. Dans beaucoup de ces traitements, des caractéristiques inter-battements et intra-battements de signaux ECG doivent être extraites. Ces caractéristiques comprennent les points de repère des ondes de l’ECG (leur début, leur fin et leur point de pic), les intervalles significatifs et les segments qui peuvent être définis pour le signal ECG. L'extraction des points de référence de l'E

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Dandach, Hoda. "Prédiction de l'espace navigable par l'approche ensembliste pour un véhicule routier." Thesis, Compiègne, 2014. http://www.theses.fr/2014COMP1892/document.

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Les travaux de cette thèse porte sur le calcul d’un espace d’état navigable d’un véhicule routier, ainsi que sur l’observation et l’estimation de son état, à l’aide des méthodes ensemblistes par intervalles. Dans la première partie de la thèse, nous nous intéressons aux problèmes d’estimation d’état relevant de la dynamique du véhicule. Classiquement, l’estimation se fait en utilisant le filtrage de Kalman pour des problèmes d’estimation linéaires ou le filtrage de Kalman étendu pour les cas non-linéaires. Ces filtres supposent que les erreurs sur le modèle et sur les mesures sont blanches et

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12

Vincke, Bastien. "Architectures pour des systèmes de localisation et de cartographie simultanées." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00770323.

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La robotique mobile est un domaine en plein essor. L'un des domaines de recherche consiste à permettre à un robot de cartographier son environnement tout en se localisant dans l'espace. Les techniques couramment employées de SLAM (Simultaneous Localization And Mapping) restent généralement coûteuses en termes de puissance de calcul. La tendance actuelle vers la miniaturisation des systèmes impose de restreindre les ressources embarquées. L'ensemble de ces constatations nous ont guidés vers l'intégration d'algorithmes de SLAM sur des architectures adéquates dédiées pour l'embarqué.Les premiers

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13

Munsif, Vishal. "Internal Control Reporting by Non-Accelerated Filers." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/431.

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I examine three issues related to internal control reporting by non-accelerated filers. Motivation for the three studies comes from the fact that Section 404 of the Sarbanes-Oxley Act (SOX) continues to be controversial, as evidenced by the permanent exemption from Section 404(b) of SOX granted to non-accelerated filers by the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010. The Dodd-Frank Act also requires the SEC to study compliance costs associated with smaller accelerated filers. In the first part of my dissertation, I document that the audit fee premium for non-accelerat

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14

Zhang, Li. "On the role of internal atmospheric variability in ENSO dynamics." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4310.

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In the first part of this dissertation we use an Intermediate Coupled Model to develop a quantitative test to validate the null hypothesis that low-frequency varia- tion of ENSO predictability may be caused by stochastic processes. Three "perfect model scenario" prediction experiments are carried out, where the model is forced ei- ther solely by stochastic forcing or additionally by decadal-varying backgrounds with different amplitudes. These experiments indicate that one can not simply reject the null hypothesis unless the decadal-varying backgrounds are unrealistically strong. The second par

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15

Callender, Christopher Peter. "Numerically robust implementations of fast recursive least squares adaptive filters using interval arithmetic." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/10853.

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Algorithms have been developed which perform least squares adaptive filtering with great computational efficiency. Unfortunately, the fast recursive least squares (RLS) algorithms all exhibit numerical instability due to finite precision computational errors, resulting in their failure to produce a useful solution after a short number of iterations. In this thesis, a new solution to this instability problem is considered, making use of interval arithmetic. By modifying the algorithm so that upper and lower bounds are placed on all quantities calculated, it is possible to obtain a measure of co

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16

Wang, Li. "Internal surface coating and photochemical modification of polypropylene microfiltration membrane." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ30119.pdf.

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17

Ispir, Mehmet. "Design Of Moving Target Indication Filters With Non-uniform Pulse Repetition Intervals." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615361/index.pdf.

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Staggering the pulse repetititon intervals is a widely used solution to alleviate the blind speed problem in Moving Target Indication (MTI) radar systems. It is possible to increase the first blind speed on the order of ten folds with the use of non-uniform sampling. Improvement in blind speed results in passband fluctuations that may degregade the detection performance for particular Doppler frequencies. Therefore, it is important to design MTI filters with non-uniform interpulse periods that have minimum passband ripples with sufficient clutter attenuation along with good range and blind vel

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18

Hunter, Robert Peter. "Development of Transparent Soil Testing using Planar Laser Induced Fluorescence in the Study of Internal Erosion of Filters in Embankment Dams." Thesis, University of Canterbury. Geological Sciences, 2012. http://hdl.handle.net/10092/7323.

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A new ‘transparent soil permeameter’ has been developed to study the mechanisms occurring during internal erosion in filter materials for embankment dams. Internal erosion or suffusion is the process where fine particles are removed from a matrix of coarse grains by seepage of water, and which ultimately leads to instabilities within the soil. The laboratory-based experiments in this thesis utilises a novel approach where up-scaled glass particles are used in place of soil particles, and optically matched oil is used in place of water. Rhodamine dye in the oil allows the fluid to fluoresce bri

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19

Miki, Andrew. "Timing differences, the modality effect and filled interval illusion with rats and pigeons." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60807.pdf.

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20

Kubík, Pavel. "Měření intenzity provozu během pevně daných intervalů v AP." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218833.

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The thesis analyzes the network traffic on a router with open source firmware. First is chosen a software platform, based on compatibility with available equipment. Then are assessed properties necessary for the development of custom applications. Support for various programming languages provided by the SDK, development environment and the available modules and libraries, for working with network interface. Based on these factors is then chose method to realize the program. He is implemented on the OpenWRT firmware in C / C + + using network library pcap. These funds are used to capture and a

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21

Hwang, Jenq-Fong. "Advanced computer-aided design method on the stress analysis of internal spur gears." Connect to this title online, 1986. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1102453550.

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22

Seblany, Feda. "Filter criterion for granular soils based on the constriction size distribution." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEC042/document.

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Les discontinuités granulaires dans les ouvrages hydrauliques ou dans leur fondation constituent une source majeure d’instabilités à l’origine des phénomènes d’érosion. L’érosion interne est ainsi définie comme une migration de particules engendrée par un écoulement interne parasite, dans un sol ou dans un ouvrage en terre. A long terme, les conséquences de cette migration peut affecter la stabilité des ouvrages et peut même conduire à leur rupture. La sécurité des ouvrages en terre dépend principalement de la performance de leurs filtres, c’est-à-dire de la capacité du filtre, mis en interne

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23

Tran, Tuan Anh. "Cadre unifié pour la modélisation des incertitudes statistiques et bornées : application à la détection et isolation de défauts dans les systèmes dynamiques incertains par estimation." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30292/document.

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Cette thèse porte sur l'estimation d'état des systèmes dynamiques à temps discret dans le contexte de l'intégration d'incertitudes statistiques et à erreurs bornées. Partant du filtre de Kalman intervalle (IKF) et de son amélioration (iIKF), nous proposons un algorithme de filtrage pour des systèmes linéaires dont les bruits sont gaussiens incertains, c'est-à-dire de moyenne et matrice de covariance définies par leur appartenance à des intervalles. Ce nouveau filtre de Kalman intervalle (UBIKF) repose sur la recherche d'une matrice de gain ponctuelle minimisant une borne majorante de l'ensembl

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24

Rönnqvist, Hans. "Predicting surfacing internal erosion in moraine core dams." Licentiate thesis, KTH, Hydraulic Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-14084.

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<p>Dams that comprise broadly and widely graded glacial materials, such as moraines, have been found to be susceptible to internal erosion, perhaps more than dams of other soil types. Internal erosion washes out fine-grained particles from the filling material; the erosion occurs within the material itself or at an interface to another dam zone, depending on the mode of initiation. Whether or not internal erosion proceeds depend on the adequacy of the filter material. If internal erosion is allowed, it may manifest itself as sinkholes on the crest, increased leakage and muddy seepage once it s

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25

Kirkwood, Michael George. "Plastic loads for branch pipe junctions subjected to combined internal pressure and in-plane bending moments." Thesis, University of Liverpool, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.257705.

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Olsen, Brian Ottar. "Vibroacoustic power flow in infinite compliant pipes excited by mechanical forces and internal acoustic sources." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342848.

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27

Ježek, Přemysl. "Pevnostně deformační analýza uchycení filtru pevných částic na traktoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230021.

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The subject of this thesis is to carry out stress-strain analysis of diesel particulate filter support on tractor. So it describes sequence of steps for the analysis model, such as geometry description, mesh generation, applied forces definition and others. Result of the analysis is assessed in terms of strength and improvement was proposed.

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28

Ziems, Jürgen. "Erosionsbeständigkeit nichtbindiger Lockergesteine." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-87705.

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29

Agnevall, Paula. "Berättarteknik i J.M. Coetzees Disgrace." Thesis, Blekinge Tekniska Högskola, Sektionen för teknokultur, humaniora och samhällsbyggnad, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-1397.

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While Disgrace seems to be written from a single perspective, it is in fact multi-layered. In order to support this claim, this essay investigates what the novel's protagonist sees, how he sees it and who is narrating the story, using respectively the narratological key concepts of internal focalization, fallible filter and covert narration. The essay thereafter studies how the novel has affected readers in South Africa and how it is neccessary to challenge the perspective presented in the novel in order to fully understand the text.

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Tuffa, Daniel Yadetie. "Laboratory investigation of suffusion on dam core glacial till." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67027.

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The objective of this study is to provide a better understanding of suffusion characteristics of glacial soils and to present a simple yet reliable assessment procedure for determination of suffusion in the laboratory.Internal erosion by suffusion occurs in the core of an embankment dam when the ability of the soil to resist seepage forces is exceeded and voids are large enough to allow the transport of fine particles through the pores. Soils susceptible to suffusion are described as internally unstable. dams with core of broadly graded glacial moraines (tills) exhibit signs of internal erosio

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31

Gray, Jeffrey Frank. "Divergence Model for Measurement of Goos-Hanchen Shift." ScholarWorks@UNO, 2007. http://scholarworks.uno.edu/td/584.

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In this effort a new measurement technique for the lateral Goos-Hanchen shift is developed, analyzed, and demonstrated. The new technique uses classical image formation methods fused with modern detection and analysis methods to achieve higher levels of sensitivity than obtained with prior practice. Central to the effort is a new mathematical model of the dispersion seen at a step shadow when the Goos-Hanchen effect occurs near critical angle for total internal reflection. Image processing techniques are applied to measure the intensity distribution transfer function of a new divergence

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32

Djekanovic, Nikolina. "Design of Resonant Filters for AC Current Magnification : Heating of Li-ion Batteries by Using AC Currents." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-247892.

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Using alternating current in order to heat batteries at sub-zero temperatures is a method,which is investigated in-depth by an increasing number of study groups. The thesis considersthe resonance phenomenon with the intention to use alternating current amplificationand battery’s impedance in order to induce power dissipation inside the battery, and in thisway increase its temperature. A battery cell is thereby modelled as an impedance transferfunction, estimated from electrochemical impedance spectroscopy measurements, whichare taken for a LiNi 13Mn13Co13O2 cell. Note that at 1 kHz and room te

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Cauquil, Philippe. "Intérêt d'un apport protéique au cours du petit déjeuner : résultat d'une enquête effectuée dans un internat de jeunes filles." Montpellier 1, 1993. http://www.theses.fr/1993MON11192.

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Neuzil, Anna A. "In the aftermath of migration assessing the social consequences of late 13th and 14th century population movements into southeastern Arizona /." Find on the web (viewed on Oct. 2, 2008), 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1351%5F1%5Fm.pdf&type=application/pdf.

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Gafarov, Timur. "Kontrola kvality finančních výkazů pro zavedení systému vnitřní kontroly." Doctoral thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2009. http://www.nusl.cz/ntk/nusl-233732.

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Though at the enterprises the estimation of a financial condition is annually, it is necessary to develop, to improve constantly and to evaluate the system of the internal control, necessary to develop a technique of the reporting quality estimation of the enterprise specially for the certain enterprise in view of all features, to take advantage of statistical data and to draw corresponding conclusions, to make constant monitoring. The purpose of development of the mechanism - detection of deviations of data in the reporting from actual results of activity, definition of clauses causing distor

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Ahmed, Istiaque. "NON-ISOTHERMAL NUMERICAL INVESTIGATIONS OF THE EFFECT OF SPEED RATIO AND FILL FACTOR IN AN INTERNAL MIXER FOR TIRE MANUFACTURING PROCESS." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1524584349185209.

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Pepy, Romain. "Vers une planification robuste et sûre pour les systèmes autonomes." Phd thesis, Université Paris Sud - Paris XI, 2009. http://tel.archives-ouvertes.fr/tel-00845477.

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De nombreux outils existent pour résoudre les problèmes de planification sous contraintes. On peut les regrouper en deux classes principales. Les plus anciens planificateurs utilisent une discrétisation préalable de l'espace d'état. Les plus récents, les planificateurs à échantillonnage, permettent une exploration plus efficace. Ces planificateurs sont utilisés dans de nombreux domaines, comme la chimie, la biologie, la robotique, l'automatique ou encore l'intelligence artificielle. La contribution majeure de nos travaux est d'apporter une réponse au problème de planification de trajectoires e

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Sousa, Raphaell Maciel de. "Estrat?gia de controle robusto para filtro ativo paralelo sem detec??o de harm?nicos de correntes." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15332.

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Made available in DSpace on 2014-12-17T14:55:45Z (GMT). No. of bitstreams: 1 RaphaellMS_DISSERT.pdf: 3087457 bytes, checksum: 184208141b97a58de312de245a6bd3e8 (MD5) Previous issue date: 2011-02-11<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>Conventional control strategies used in shunt active power filters (SAPF) employs real-time instantaneous harmonic detection schemes which is usually implements with digital filters. This increase the number of current sensors on the filter structure which results in high costs. Furthermore, these detection schemes introduce time d

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Gomes, Adriano de Araújo. "Algoritmo das projeções sucessivas para seleção de variáveis em calibração de segunda ordem." Universidade Federal da Paraíba, 2015. http://tede.biblioteca.ufpb.br:8080/handle/tede/8196.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2016-05-12T12:35:36Z No. of bitstreams: 1 arquivo total.pdf: 5933598 bytes, checksum: f90080e0529915a4c5c37308259bee89 (MD5)<br>Made available in DSpace on 2016-05-12T12:35:36Z (GMT). No. of bitstreams: 1 arquivo total.pdf: 5933598 bytes, checksum: f90080e0529915a4c5c37308259bee89 (MD5) Previous issue date: 2015-06-29<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>In this work it was developed a new strategy for intervals selection using the successive projections algorithm (SPA) coupled to N-PLS and U-PLS model

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40

Mlčoch, Marek. "Kumulace biologických dat." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219246.

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The thesis deals with the biological data averaging applied to a periodical and repetitive signal, specifically to an ECG signals. There were used signals from MIT-BIH Arrhythmia database and ÚBMI database. Averaging was realized with constant, floating and exponential Windows, where was used the method of addition of the filtered residue. This method is intended to capture the slow variations from the input to the output signal. The outcomes of these methods can be used as a basis for further work, or function as an example of principled methods. Methods and its outcomes were created in Matla

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Silva, Giovano Camargos da. "Levantamento das curvas de isodose de sementes de 125I utilizando filmes fotográficos." CNEN - Centro de Desenvolvimento da Tecnologia Nuclear, Belo Horizonte, 2013. http://www.bdtd.cdtn.br//tde_busca/arquivo.php?codArquivo=270.

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Nenhuma<br>A braquiterapia é uma modalidade de radioterapia em que a fonte radioativa é colocada em contato com o tecido a ser tratado. Na braquiterapia intersticial são utilizadas pequenas fontes radioativas seladas, denominadas sementes. A busca por novos modelos de sementes é constante. O CDTN desenvolveu parcialmente um protótipo para tratamento de braquiterapia que consiste de uma matriz cerâmica porosa capaz de incorporar diferentes radionuclídeos. A etapa seguinte ao desenvolvimento de um novo tipo de semente consiste na sua caracterização dosimétrica, que deve ser realizada em concordâ

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42

Zhang, Mei. "Diagnostic de panne et analyse des causes profondes du système dynamique inversible." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30260/document.

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Beaucoup de services vitaux de la vie quotidienne dépendent de systèmes d'ingénierie hautement complexes et interconnectés; Ces systèmes sont constitués d'un grand nombre de capteurs interconnectés, d'actionneurs et de composants du système. L'étude des systèmes interconnectés joue un rôle important dans l'étude de la fiabilité des systèmes dynamiques; car elle permet d'étudier les propriétés d'un système interconnecté en analysant ses sous-composants moins complexes. Le diagnostic des pannes est essentiel pour assurer des opérations sûres et fiables des systèmes de contrôle interconnectés. Da

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43

Sagha, Hossein. "Development of innovative robust stability enhancement algorithms for distribution systems containing distributed generators." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/91052/1/Hossein_Sagha_Thesis.pdf.

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This project was a step forward in improving the voltage profile of traditional low voltage distribution networks with high photovoltaic generation or high peak demand. As a practical and economical solution, the developed methods use a Dynamic Voltage Restorer or DVR, which is a series voltage compensator, for continuous and communication-less power quality enhancement. The placement of DVR in the network is optimised in order to minimise its power rating and cost. In addition, new approaches were developed for grid synchronisation and control of DVR which are integrated with the voltage qual

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44

Uguen, Yohann. "High-level synthesis and arithmetic optimizations." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI099.

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À cause de la nature relativement jeune des outils de synthèse de haut-niveau (HLS), de nombreuses optimisations arithmétiques n'y sont pas encore implémentées. Cette thèse propose des optimisations arithmétiques se servant du contexte spécifique dans lequel les opérateurs sont instanciés. Certaines optimisations sont de simples spécialisations d'opérateurs, respectant la sémantique du C. D'autres nécessitent de s'éloigner de cette sémantique pour améliorer le compromis précision/coût/performance. Cette proposition est démontrée sur des sommes de produits de nombres flottants. La somme est réa

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Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.

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Today, the main research field for the automotive industry is to find solutions for active safety. In order to perceive the surrounding environment, tracking nearby traffic objects plays an important role. Validation of the tracking performance is often done in staged traffic scenarios, where additional sensors, mounted on the vehicles, are used to obtain their true positions and velocities. The difficulty of evaluating the tracking performance complicates its development. An alternative approach studied in this thesis, is to record sequences and use non-causal algorithms, such as smoothing, i

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46

Gomes, Vanessa Limeira Azevedo. "Modelagem e previs?o da perda de injetividade em po?os canhoneados." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12928.

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Made available in DSpace on 2014-12-17T14:08:40Z (GMT). No. of bitstreams: 1 VanessaLAG_DISSERT.pdf: 1481281 bytes, checksum: 8b61d326c9b0fb24441950affcfa1205 (MD5) Previous issue date: 2010-08-20<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Waterflooding is a technique largely applied in the oil industry. The injected water displaces oil to the producer wells and avoid reservoir pressure decline. However, suspended particles in the injected water may cause plugging of pore throats causing formation damage (permeability reduction) and injectivity decline during waterfloo

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Hándlová, Barbora. "Obchodní centrum." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-391915.

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The diploma thesis deals with design of steel structure of shopping centre, which is located in Zlín. The total ground plan‘s dimensions of the structure are 153 x 49 m. The maximum height of the building is 23,1 m. The structure of the shopping centre is formed by columns, primary and secondary beams. Floor structure is designed as composite steel and concrete structure. The roof structure, above the central part of the buildig is designed in two alternative versions. There is prepared statics calculation of the main load-bearing parts of the structure, including joints and details.

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Лавриненко, Олександр Юрійович, Александр Юрьевич Лавриненко та Oleksandr Lavrynenko. "Методи підвищення ефективності семантичного кодування мовних сигналів". Thesis, Національний авіаційний університет, 2021. https://er.nau.edu.ua/handle/NAU/52212.

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Дисертаційна робота присвячена вирішенню актуальної науково-практичної проблеми в телекомунікаційних системах, а саме підвищення пропускної здатності каналу передачі семантичних мовних даних за рахунок ефективного їх кодування, тобто формулюється питання підвищення ефективності семантичного кодування, а саме – з якою мінімальною швидкістю можливо кодувати семантичні ознаки мовних сигналів із заданою ймовірністю безпомилкового їх розпізнавання? Саме на це питання буде дана відповідь у даному науковому дослідженні, що є актуальною науково-технічною задачею враховуючи зростаючу тенденцію д

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Tunková, Martina. "Městské lázně." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2010. http://www.nusl.cz/ntk/nusl-215713.

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Shen, Kuan-Wei, and 沈冠緯. "Using a Hybrid of Interval Type-2 RFCMAC and Bilateral Filter for Satellite Image Dehazing." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/764ug2.

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碩士<br>國立勤益科技大學<br>資訊工程系<br>105<br>With advances in technology, the development of Remote Sensing Satellite Image has been real-time and accurate to monitor the environment of the surface or prevent the inevitable disaster earlier. Owing to the changeable weather is just like clouds or haze constituted by atmospheric particles, then this phenomenon cause the low contrast presented in satellite image and lose many information on the surface of the earth. Therefore, in this paper we propose an issue for dehazing to single satellite image, which is to enhance the contrast of image and filter the h

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