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Dissertations / Theses on the topic 'Mathematical analysis. eng'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Toledo, José do Carmo. "Uma história do processo de institucionalização da área de Análise Matemática no Brasil /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/102136.

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Orientador: Sergio Roberto Nobre<br>Banca: Ligia Arantes Sad<br>Banca: Simone Mazzini Bruschi<br>Banca: Carlos Henrique Barbosa Gonçalves<br>Banca: Antonio Vicente Marafioti Garnica<br>Possui anexo cd-rom com o Corpus documental da tese<br>Resumo: Este trabalho - uma investigação inserida no campo da História da Matemática argumenta em favor da existência, no Brasil, de uma tradição em pesquisa na área de Análise Matemática e propõe uma narrativa historiadora sobre o processo de institucionalização dessa área no país. Algumas práticas sociais no âmbito da comunidade de analistas brasileiros s

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2

Sartori, Junior Sergio. "Modelagem matemática e análise dinâmica da torre de um pulverizador de pomares /." Bauru : [s.n.], 2008. http://hdl.handle.net/11449/97035.

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Orientador: José Manoel Balthazar<br>Banca: Bento Rodrigues de Ponte Junior<br>Banca: Hans Ingo Weber<br>Resumo: Na área agrícola, um tipo de equipamento utilizado para a pulverização de pomares, consiste essencialmente de uma estrutura vertical com ventiladores dotados de bicos de pulverização, montados sobre um veículo que trafega entre as plantas. Em uma construção mais simples esta estrutura vertical é montada na parte traseira de um trator agrícola. Em uma construção mais complexa, esta estrutura vertical é montada sobre uma carreta ou trailer, que pode ter ou não suspensão. Em algumas si

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3

Martins, Rogério Mendonça 1968. "Estudo do crescimento da cana-de-açúcar através da meta-análise /." Botucatu : [s.n.], 2001. http://hdl.handle.net/11449/90617.

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Orientador: Sheila Zambello de Pinho<br>Resumo: A matemática e a estatística, como ferramentas de trabalho, são utilizadas para melhor explicar resultados de pesquisas. Na área agronômica, vários trabalhos têm sido desenvolvidos, chegando a diferentes modelos matemáticos. Este trabalho visa verificar a influência da aplicação de vinhaça na produção de cana-de-açúcar através de modelos estatísticos, utilizando dados de artigos publicados, resumidos pelos processos estabelecidos pela meta-análise. Foi possível ajustar o modelo de Mitscherlich e uma regressão de terceiro grau aos dados de produçã

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4

Woldman, Wessel. "Emergent phenomena from dynamic network models : mathematical analysis of EEG from people with IGE." Thesis, University of Exeter, 2016. http://hdl.handle.net/10871/23297.

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In this thesis mathematical techniques and models are applied to electroencephalographic (EEG) recordings to study mechanisms of idiopathic generalised epilepsy (IGE). First, we compare network structures derived from resting-state EEG from people with IGE, their unaffected relatives, and healthy controls. Next, these static networks are combined with a dynamical model describing the ac- tivity of a cortical region as a population of phase-oscillators. We then examine the potential of the differences found in the static networks and the emergent properties of the dynamic network as individual

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5

Robb, David A. "Query error detection : using base rates to improve end user query performance /." [St. Lucia, Qld], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18191.pdf.

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6

Simpson, Charles Robert Jr. "Analysis of Passive End-to-End Network Performance Measurements." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14612.

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NETI@home, a distributed network measurement infrastructure to collect passive end-to-end network measurements from Internet end-hosts was developed and discussed. The data collected by this infrastructure, as well as other datasets, were used to conduct studies on the behavior of the network and network users as well as the security issues affecting the Internet. A flow-based comparison of honeynet traffic, representing malicious traffic, and NETI@home traffic, representing typical end-user traffic, was conducted. This comparison showed that a large portion of flows in both datasets were f

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7

Goodfellow, Marc. "Spatio-temporal modelling and analysis of epileptiform EEG." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/spatiotemporal-modelling-and-analysis-of-epileptiform-eeg(0f76259a-1a58-44a9-b08b-1402c9b49896).html.

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In this thesis we investigate the mechanisms underlying the generation of abnormal EEG rhythms in epilepsy, which is a crucial step towards better treatment of this disorder in the future. To this end, macroscopic scale mathematical models of the interactions between neuronal populations are examined. In particular, the role of interactions between neural masses that are spatially distributed in cortical networks are explored. In addition, two other important aspects of the modelling process are addressed, namely the conversion of macroscopic model variables into EEG output and the comparison

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8

Østerbø, Olav. "Mathematical modelling and analysis of communication networks: transient characteristics of traffic processes and models for end-to-end delay and delay-jitter." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-6.

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<p>The first part of the thesis (Part I) is devoted to find methods to describe transient behaviour of traffic processes, where the main emphasis is put on the description and analysis of excess periods and excess volumes of quite general stochastic processes. By assuming that traffic changes on different time scales, the transient characteristics such as excess periods could be important measures to describe periods of congestion on a communication link and moreover, the corresponding excess volume will represent lost information during such periods. Although the results obtained are of rathe

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9

Pesin, Jimy. "Detection and removal of eyeblink artifacts from EEG using wavelet analysis and independent component analysis /." Online version of thesis, 2007. http://hdl.handle.net/1850/8952.

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10

Souza, Analucia Castro Pimenta de. "Análise combinatória no ensino médio apoiada na metodologia de ensino-aprendizagem-avaliação de matemática através da resolução de problemas /." Rio Claro : [s.n.], 2010. http://hdl.handle.net/11449/91047.

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Orientador: Lourdes de la Rosa Onuchic<br>Banca: Rosana Giaretta Sguerra Miskulin<br>Banca: Raquel Normandia Moreira Brumatti<br>Resumo: Esta pesquisa tem como objetivo trabalhar a Análise Combinatória, fazendo uso da Metodologia de Ensino-Aprendizagem-Avaliação de Matemática através da Resolução de Problemas. Abordamos, em nossa fundamentação teórica, a Análise Combinatória contida na Matemática Discreta, iniciando a pesquisa com uma introdução histórica da Análise Combinatória, seguida por uma análise de livros didáticos e pela busca de trabalhos de outros autores que se referiam ao ensino e

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11

Wigington, Curtis Michael. "End-to-End Full-Page Handwriting Recognition." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7099.

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Despite decades of research, offline handwriting recognition (HWR) of historical documents remains a challenging problem, which if solved could greatly improve the searchability of online cultural heritage archives. Historical documents are plagued with noise, degradation, ink bleed-through, overlapping strokes, variation in slope and slant of the writing, and inconsistent layouts. Often the documents in a collection have been written by thousands of authors, all of whom have significantly different writing styles. In order to better capture the variations in writing styles we introduce a nove

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12

Kleanthous, Irene. "Perceived parental influence on adolescent students' mathematical dispositions : a Bourdieusian perspective." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/perceived-parental-influence-on-adolescent-students-mathematical-dispositions-a-bourdieusian-perspective(c57c4cf1-62e5-410e-9708-64242417a0d0).html.

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Adolescent students’ perceptions of parental influence in relation to mathematics education is an under-researched area, since most studies in this area focus on parental involvement in primary mathematics. This research study aims to fill this gap in the literature by exploring adolescent students’ perceptions of parental influence on their dispositions towards studying mathematically-demanding courses in Higher Education (HE). This study employs mixed research methods to investigate students’ perceptions of parental influence with a survey (N=563) and semi-structured interviews with six stud

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13

Peralta, Deise Aparecida. "Recurso interpretativo funcional como saber docente no ensino de conteúdos curriculares de matemática /." Bauru : [s.n.], 2008. http://hdl.handle.net/11449/97469.

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Orientador: Jair Lopes Júnior<br>Banca: Aline Maria de Medeiros Rodrigues Reali<br>Banca: Nelson Antonio Pirola<br>Resumo: A literatura admite a relevância de diferentes modalidades de saberes ou de conhecimentos envolvidos nos processos de aprendizagem profissional da docência. Nesta pesquisa admite-se que repertórios comportamentais que definem a execução de análise funcional descritiva se contituiriam em exemplos de saberes docentes. Esta pesquisa avalia a quisição desta modalidade de saber docente por professoras com distintas formações pedagógicas e que ministram conteúdos de matemática n

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14

Shirazibeheshti, Amirali. "The effect of sedation on conscious processing : computational analysis of the EEG response to auditory irregularity." Thesis, University of Kent, 2015. https://kar.kent.ac.uk/54467/.

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Characterising the relationships between conscious and unconscious processes is one of the most important goals in cognitive neuroscience. Behavioural studies as well as neuroimaging techniques have been conducted to understand the nature of conscious perception in the brain. Functional brain imaging and EEG (Electroencephalogram) methods allow for detailed exploration of neural and computational correlates of conscious and unconscious cognition. Using a high density EEG dataset, recorded from 129 electrodes over the scalp, we studied the neural responses of the brain to auditory stimuli. To t

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15

Correia, Carlos Eduardo Félix. "Formação continuada de professores polivalentes : o potencial da análise de erros no processo ensino/aprendizagem da matemática /." Rio Claro : [s.n.], 2009. http://hdl.handle.net/11449/90175.

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Orientador: Arlete de Jesus Brito<br>Banca: Virginia Cardia Cardoso<br>Banca: César Donizete Pereira Leite<br>Anexos da dissertação estão no CD-ROM<br>Resumo: Nosso objetivo, nesta pesquisa, foi contribuir para a reflexão sobre a formação continuada dos professores polivalentes por meio do processo de análise de erros em Matemática produzidos pelos alunos dos quarto e quinto anos1 do ensino fundamental. Realizamos uma revisão da literatura que trata dos temas relacionados à avaliação, a erros e ao exercício do poder envolvido no processo avaliativo. As categorias geradas por nós em nossa análi

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16

Barichello, Leonardo. "Análise de resoluções de problemas de cálculo diferencial em um ambiente de interação escrita /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/91100.

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Orientador: Rosana Giaretta Seguerra Miskulin<br>Banca: Patrícia Rosana Linardi<br>Banca: Lourdes de la Rosa Onuchic<br>Acompanha 2 CD-ROMs com os anexos B e C<br>Resumo: A partir de uma concepção interacionista de ensino e aprendizagem, fundamentada nas idéias de Vigotski, procuramos investigar as potencialidades didáticopedagógicas de uma dinâmica de interação entre professor e aluno, baseada na escrita e orientada pela resolução de problemas, a qual chamamos de Dinâmica RCR. Essa dinâmica pode ser sintetizada pela seqüência resoluçãocomentárioresolução, na qual a cada resolução entregue por

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17

Wang, Huan. "Survival analysis for censored data under referral bias." Thesis, University of Brighton, 2014. https://research.brighton.ac.uk/en/studentTheses/5b39ddc3-1c64-4dd2-8182-a4014c6b97b6.

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This work arises from a hepatitis C cohort study and focuses on estimating the effects of covariates on progression to cirrhosis. In hepatitis C cohort studies, patients may be recruited to the cohort with referral bias because clinically the patients with more rapid disease progression are preferentially referred to liver clinics. This referral bias can lead to significantly biased estimates of the effects of covariates on progression to cirrhosis.

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18

Peacock, Chloe. "'Double distinction' : an analysis of consumer participation in Apple branding." Thesis, University of Brighton, 2013. https://research.brighton.ac.uk/en/studentTheses/6c41abda-4d97-40c4-8b34-ae18a9655ceb.

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This thesis aimed to understand the relationship between the Apple brand and Apple consumers. It presents an historical semiotic analysis of a selection of the Apple brand from 1978 to 2009 and in-depth interviews with Apple consumers. The interviews were then analysed thematically, looking at the ways participants employed Apple in the construction of identity. The thesis extends theoretical critical approaches to branding with the inclusion of participant interviews. Approaches to branding consider the role of consumers in brand production and ownership, but this thesis moves focus beyond ab

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19

Milana, Pavić. "Mathematical modelling and analysis of polyatomic gases and mixtures in the context of kinetic theory of gases and fluid mechanics." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2014. https://www.cris.uns.ac.rs/record.jsf?recordId=87879&source=NDLTD&language=en.

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We construct two independent hierarchies of moment equations and we apply the maximum entropy principle for polyatomic gases. We formulate multivelocity and multitemperature model of Eulerian polyatomic gases starting from kinetic theory, that is compared in the neighborhood of global equilibrium state to the models based on extended thermodynamics. We analyze diffusion asymptotics of the Boltzmann equations for mixtures of monatomic gases.<br>Конструишу се две независне хијерархијеједначина момената и примењује се принципмаксимума ентропије за више

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20

Wu, Jian. "Numerical Smoothness of ENO and WENO Schemes for Nonlinear Conservation Laws." Bowling Green State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1307575652.

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21

Jatuphatwarodom, Natawat. "Combined quantitative and qualitative analysis of the Thai silk industry." Thesis, University of Portsmouth, 2015. https://researchportal.port.ac.uk/portal/en/theses/combined-quantitative-and-qualitative-analysis-of-the-thai-silk-industry(1025ef34-c939-40b3-91f2-95186cb6f2ef).html.

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According to Thailand Textile Institute (2009), there was a consistent growth in silk based products over recent years. Silk represents a high value export from Thailand to international markets each year. The Ministry of Agriculture and Cooperatives (2010) however identified constraints that limit the expansion of Thailand’s silk, and silk products. Although there are number of academics studying in order to solve those constraints, there is still no critical research project which truly studies in-depth regarding the current major problems and constraints in the Silk industry. The modern log

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22

Marcusson, Birger. "Magnetic Leakage Fields and End Region Eddy Current Power Losses in Synchronous Generators." Doctoral thesis, Uppsala universitet, Elektricitetslära, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-331182.

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The conversion of mechanical energy to electrical energy is done mainly with synchronous generators. They are used in hydropower generators and nuclear plants that presently account for about 80% of the electric energy production in Sweden. Because of the dominating role of the synchronous generators, it is important to minimize the power losses for efficient use of natural resources and for the economies of the electric power companies and their customers. For a synchronous machine, power loss means undesired heat production. In electric machines, there are power losses due to windage, fricti

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Lodder, Shaun. "Single-trial classification of an EEG-based brain computer interface using the wavelet packet decomposition and cepstral analysis." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2791.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Brain-Computer Interface (BCI) monitors brain activity by using signals such as EEG, EcOG, and MEG, and attempts to bridge the gap between thoughts and actions by providing control to physical devices that range from wheelchairs to computers. A crucial process for a BCI system is feature extraction, and many studies have been undertaken to find relevant information from a set of input signals. This thesis investigated feature extraction from EEG signals using two different app

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Li, Yelei. "Heartbeat detection, classification and coupling analysis using Electrocardiography data." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1405084050.

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Behar, Joachim. "Extraction of clinical information from the non-invasive fetal electrocardiogram." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:94b866ff-dd57-4446-85ae-79dd6d983cac.

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Estimation of the fetal heart rate (FHR) has gained interest in the last century; low heart rate variability has been studied to identify intrauterine growth restricted fetuses (prepartum), and abnormal FHR patterns have been associated with fetal distress during delivery (intrapartum). Several monitoring techniques have been proposed for FHR estimation, including auscultation and Doppler ultrasound. This thesis focuses on the extraction of the non-invasive fetal electrocardiogram (NI-FECG) recorded from a limited set of abdominal sensors. The main challenge with NI-FECG extraction techniques

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Ghosh, Dastidar Samanwoy. "Models of EEG data mining and classification in temporal lobe epilepsy: wavelet-chaos-neural network methodology and spiking neural networks." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180459585.

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Koncherry, Vivek. "Multifunctional carbon fibre flat tape for composites." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/multifunctional-carbon-fibre-flat-tape-for-composites(24dc2fc9-0649-41c5-8db2-7121cf16126b).html.

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Recently, there has been a significant growth in the use of composites in sectors such as automotive, aerospace and wind energy. Composites are traditionally designed for mechanical performance in terms of strength, stiffness and impact energy absorption; however multifunctionality has become the focus of researchers and designers in recent years. Multifunctional design of composites involve adding functionality such as thermal management, radiation shielding, stealth, structural health monitoring and energy storage at material level rather than adding discrete components afterwards. The aim o

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Dejan, Reljić. "Otkrivanje kvara rotora kaveznog asinhronog motora primenom tehnika analize terminalnih veličina." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2017. https://www.cris.uns.ac.rs/record.jsf?recordId=104840&source=NDLTD&language=en.

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U disertaciji je predložena metoda za pouzdano otkrivanje kvara rotoratrofaznog kaveznog asinhronog motora. Metoda je zasnovana naidentifikaciji obeležja kvara rotora iz signala terminalnih veličinajednofazno napojenog trofaznog kaveznog motora u stacionarnom stanjupogona. Predložena metoda eliminiše potrebu za postojanja opterećenjamotora, što je osnovna prednost u odnosu na rešenja iz literature. Svateorijska razmatranja su praćena odgovarajućim rezultatima računarskihsimulacija, da bi se potom sprovela eksperimentalna verifikacija ipotvrdila efikasnost predložene metode. Takođe, predstavlje

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Lazarus, Arnaud. "Influence des défauts sur le comportement vibratoire linéaire des systèmes tournants." Phd thesis, Palaiseau, Ecole polytechnique, 2008. http://pastel.archives-ouvertes.fr/pastel-00004939/en/.

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Dans le cas de nombreuses machines tournantes (turboalternateurs, pompes de centrales électriques), les « défauts » (anisotropie de paliers, rotors fissurés) introduisent naturellement des coefficients périodiques dans l'équation d'équilibre linéaire du modèle discrétisé associé. L'étude du comportement dynamique de l'oscillateur paramétrique obtenu peut alors se faire au moyen d'outils spécifiques tel que la théorie de Floquet, relativement simple à mettre en place, mais dont le traitement numérique s'avère laborieux dans le cas de modèles complexes à grand nombre de degrés de liberté

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Slobodan, Dražić. "Shape Based Methods for Quantification and Comparison of Object Properties from Their Digital Image Representations." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2019. https://www.cris.uns.ac.rs/record.jsf?recordId=107871&source=NDLTD&language=en.

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The thesis investigates development, improvement and evaluation of methods for quantitative characterization of objects from their digital images and similarity measurements between digital images. Methods for quantitative characterization of objects from their digital images are increasingly used in applications in which error can have crtical consequences, but the traditional methods for shape quantification are of low precision and accuracy. In the thesis is shown that the coverage of a pixel by a shape can be used to highly improve the accuracy and precision of using digital images to esti

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Eugen, LJajko. "Утицај GeoGebra-е на предавање и учење аналитичке геометрије у средњој школи". Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2016. https://www.cris.uns.ac.rs/record.jsf?recordId=101448&source=NDLTD&language=en.

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У дисертацији се разматра утицај примене рачунара на предавање и учење аналитичке геометрије. Израђени су одговарајући динамични радни листови којима је пропраћено градиво изложено у званичном уџбенику. Приказана је примена рачунара и софтвера GeoGebra у изграђивању рачунарског окружења погодног за изучавање аналитичке геометрије у равни.<br>U disertaciji se razmatra uticaj primene računara na predavanje i učenje analitičke geometrije. Izrađeni su odgovarajući dinamični radni listovi kojima je propraćeno gradivo izloženo u zvaničnom udžbeniku. Prikazana je primena raču

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Delestre, Olivier. "Simulation du ruissellement d'eau de pluie sur des surfaces agricoles." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00587197.

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L'objectif de ce travail est le développement d'un modèle et d'une méthode numérique adaptés à la simulation du ruissellement d'eau de pluie sur des surfaces agricoles. Pour cela, nous utilisons un système d'équations aux dérivées partielles pour les eaux peu profondes : le système de Saint Venant. La pluie et l'infiltration y sont pris en compte par l'ajout de termes source et le couplage avec un modèle d'infiltration. Le système étant hyperbolique et conservatif nous choisissons d'utiliser un schéma aux volumes finis avec reconstruction hydrostatique. Avec cette reconstruction nous obtenons

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Teng, Sin Yong. "Intelligent Energy-Savings and Process Improvement Strategies in Energy-Intensive Industries." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433427.

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S tím, jak se neustále vyvíjejí nové technologie pro energeticky náročná průmyslová odvětví, stávající zařízení postupně zaostávají v efektivitě a produktivitě. Tvrdá konkurence na trhu a legislativa v oblasti životního prostředí nutí tato tradiční zařízení k ukončení provozu a k odstavení. Zlepšování procesu a projekty modernizace jsou zásadní v udržování provozních výkonů těchto zařízení. Současné přístupy pro zlepšování procesů jsou hlavně: integrace procesů, optimalizace procesů a intenzifikace procesů. Obecně se v těchto oblastech využívá matematické optimalizace, zkušeností řešitele a pr

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"Analysis of advertising strategies: consumer switching, competition and learning." 2015. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1291522.

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Advertising is considered as an important strategic tool to promote product and improve sales. Extensive research has been devoted to advertising strategies and their effect on product sales. Chiefly because aggregate-level sales data are easy to collect, the prior studies predominately develop and analyze aggregate advertising models which relate product sales to advertising spending under a known sales response function. Nowadays, however, the emergence of Internet, e-commerce and data analytics approaches has made collecting data on individual consumer behavior and real-time sales feasible.

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Ghane, Parisa. "Silent speech recognition in EEG-based brain computer interface." Thesis, 2015. http://hdl.handle.net/1805/9886.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>A Brain Computer Interface (BCI) is a hardware and software system that establishes direct communication between human brain and the environment. In a BCI system, brain messages pass through wires and external computers instead of the normal pathway of nerves and muscles. General work ow in all BCIs is to measure brain activities, process and then convert them into an output readable for a computer. The measurement of electrical activities in different parts of the brain is called electroencephalography (EEG). There are lots of sens

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Janßen, Olaf. "Massenspektrometrische und quantenchemische Studien radikalischer Polymerisationen zur Initiierung mit Peroxycarbonaten." Doctoral thesis, 2009. http://hdl.handle.net/11858/00-1735-0000-0006-AD51-3.

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