Дисертації з теми "Entropy source"
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся з топ-50 дисертацій для дослідження на тему "Entropy source".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Переглядайте дисертації для різних дисциплін та оформлюйте правильно вашу бібліографію.
Leone, Nicolò. "A quantum entropy source based on Single Photon Entanglement." Doctoral thesis, Università degli studi di Trento, 2022. https://hdl.handle.net/11572/339572.
Повний текст джерелаHedrich, Tanguy. "Spatio temporal evaluation of entropy-based source localization in magnetoencephalography." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=121574.
Повний текст джерелаPour 30% des patients touchés par une épilepsie focale, une intervention chirurgicale peut être envisagée en vue de réséquer la zone du cerveau provoquant les crises d'épilepsie. Les pointes intérictales sont des évennements épileptiques transitoires, se produisant entre les crises d'épilepsie. Pendant la prise en charge préchirurgicale de ces patients, la localisation de source en magnétoencéphalographie (MEG) est utilisée pour détecter la région du cerveau où les pointes intérictales se produisent. L'estimation de la taille des décharges épileptiques peut être une information utile pour l'estimation de la zone à réséquer. De plus, une pointe épileptique peut se propager le long de la surface corticale. Il est crucial pendant l'exploration préchirurgicale de localiser un tel circuit de propagation pour s'assurer d'identifier la zone initiale des décharges épileptiques. Le maximum d'entropie sur la moyenne (MEM) est une technique de localisation de source qui permet d'introduire une distribution de référence contenant des informations a priori sur les données MEG. Cette distribution de référence est basée sur l'hypothèse que le cerveau est divisé en parcelles de générateurs qui peuvent être considérées comme actives ou non. Il a déjà été prouvé que cette méthode était sensible à l'extention spatiale de la source. Le MEM cohérent (coherent MEM - cMEM) est une version du MEM qui ajoute une contrainte de lissage spatial à l'intérieur des parcelles. Pour ce mémoire, MEM et cMEM ont été comparés à une technique de localisation de source standard: l'estimation de norme minimale (minimum norm estimate - MNE). Le premier objectif de ce mémoire est de tester la performance de l'estimation du décours temporel d'une pointe. Nous avons généré des simulations de pointes interictales se propageant le long de la surface corticale, entachées par du bruit de fond réaliste. Nous avons montré que MEM et cMEM obtenaient d'excellents scores de détection spatiale, ainsi qu'une précision temporelle similaire au MNE. Ensuite, nous avons évalué la précision spatiale des méthodes de localisation de source en utilisant la matrice de résolution, qui peut être vue comme l'ensemble de toutes les fonctions d'étalement de point des méthodes de localisation de sources. Les matrices de résolution du MEM et du cMEM ont été estimées en utilisant des simulations de Monte Carlo. Les résultats ont montré que MEM et cMEM avaient une meilleure résolution spatiale théorique que MNE. Finalement, nous avons proposé une méthode visant à obtenir une carte d'activation se basant sur une analyse statistique non paramétrique. La réalisation de la carte statistique s'est faite avec une méthode utilisant le rééchantillonnage bootstrap dans le domaine temps-échelle. Nous avons trouvé que les résultats variaient avec l'extention spatiale de la source estimée. Cependant, la variance de l'estimation de la distribution de l'hypothèse nulle semblait être sous-estimée, étant donné que la carte statistique manquait de spécificité.
Bafrnec, Matúš. "Hodnocení zdrojů entropie v běžných počítačích." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413100.
Повний текст джерелаBlumenthal, Robert E. "A study of Hadamard transform, DPCM, and entropy coding techniques for a realizable hybrid video source coder /." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65518.
Повний текст джерелаOmer, Mohamoud. "Estimation of regularity and synchronism in parallel biomedical time series." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2017. https://www.cris.uns.ac.rs/record.jsf?recordId=101879&source=NDLTD&language=en.
Повний текст джерелаCilj: Snimanje sopstvenih zdravstveih prametara je postalo deo koncepta mobilnog ‘crowdsensing-a’ prema kojem učesnici sa nakačenim senzorima skupljaju i dele informacije, na ličnu ili opštu dobrobit. Međutim, ograničenja u prenosu podataka dovela su do koncepta lokalne obrade (na licu mesta). To je pak nespojivo sa uobičajenim metodama za koje je potrebno da podaci koji se obrađuju budu stacionarni i bez artefakata. Ključni deo ove teze je opis procesorski nezahtevne binarizovane unakrsne aproksimativne entropije (X)BinEn koja omogućava analizu kardiovaskularnih podataka bez prethodne predobrade, u uslovima ograničenog napajanja i procesorskih resursa.Metoda: (X)BinEn je nastao razradom postojećeg postupka unakrsne entropije ((X)ApEn). Definisan je nad binarnim diferencijalno kodovanim vremenskim nizovima, razdeljenim u binarne vektore dužine m. Za procenu razmaka između vektora koristi se Hemingovo rastojanje, a sličnost vektora se ne procenjuje između svakog vektora pojedinačno, već između skupova vektora. Procedura je testirana nad laboratorijskim pacovima izloženim različitim vrstova stresova i upoređena sa postojećim rezultatima.Rezultati: Broj potrebnih procesorskih operacija je značajno smanjen. (X)BinEn registruje promene entropije slično (X)ApEn. Beskonačno klipovanje je gruba kvantizacija i za posledicu ima smanjenu osetljivost na promene, ali, sa druge strane, prigušuje binarnu asimetriju i nekonzistentnan uticaj parametara. Za određeni skup parametara (X)BinEn je ekvivalentna Šenonovoj entropiji. Uslovna binarna m=1 entropija automatski se dobija kao uzgredni product binarizovane entropije, i može da se iskoristi kao komplementarna dinamička mera.Zaključak: (X)BinEn može da se koristi za jedan vremenski niz, kao auto-entropija, ili, u opštem slučaju, za dva vremenska niza kao unakrsna entropija. Namenjena je mobilnim uređajima sa baterijskim napajanjem za individualne korisnike, to jest za korisnike sa ograničenim napajanjem i procesorskim resursima.
Taylor, Quinn Carlson. "Analysis and Characterization of Author Contribution Patterns in Open Source Software Development." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/2971.
Повний текст джерелаTamara, Škorić. "Automatsko određivanje i analitička provera parametara uzajamne entropije kardiovaskularnih vremenskih nizova." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2017. https://www.cris.uns.ac.rs/record.jsf?recordId=104844&source=NDLTD&language=en.
Повний текст джерелаCross-approximate entropy (XApEn) quantifies a mutual orderliness of twosimultaneously recorded time series. Although derived from the firmlyestablishe solitary entropies, it has never reached their reputation anddeployment. The aim of this thesis is to identify the problems that precludewider XApEn implementation and to develop a set of solutions. Results werevalidated using the cardiovascular time series, systolic blood pressure andpulse interval, recorded from laboratories animals and also signals recordedfrom healthy human volunteers.
Williams, Ryan Scott. "Lean Manufacturing as a Source of Competitive Advantage." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2333.
Повний текст джерелаMiodrag, Petković. "Prilog razvoju metode za detekciju napada ometanjem usluge na Internetu." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107396&source=NDLTD&language=en.
Повний текст джерелаIn this thesis a new method for DoS attack detection is proposed. This methodcombines the use of entropy of some characteristic parameters of network trafficand Takagi-Sugeno-Kang (TSK) neuro-fuzzy model. Entropy has been used becauseit enables detection of wide spectar of network anomalies caused by DoS attacks,while TSK adds new value to final detection of the start and the end of an attackincreasing ratio between true and false detections.
Cavallini, Alessandro Giorgio. "Lean Six Sigma as a Source of Competitive Advantage." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2656.pdf.
Повний текст джерелаKumar, Pankaj. "Chaos in Pulsed Laminar Flow." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/39260.
Повний текст джерелаPh. D.
Gordan, Mimić. "Nelinearna dinamička analiza fizičkih procesa u žiivotnoj sredini." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2016. https://www.cris.uns.ac.rs/record.jsf?recordId=101258&source=NDLTD&language=en.
Повний текст джерелаCoupled system of prognostic equations for the ground surface temperature and the deeper layer temperature was examind. Lyapunov exponents, bifurcation diagrams, attractor and the domain of solutions were analyzed. Novel information measures based on Kolmogorov complexity and used for the quantification of randomness in time series, were presented.Novel measures were tested on various time series obtained by measuring physical factors of the environment or as the climate model outputs.
Mladen, Kovačević. "Error-Correcting Codes in Spaces of Sets and Multisets and Their Applications in Permutation Channels." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2014. https://www.cris.uns.ac.rs/record.jsf?recordId=85935&source=NDLTD&language=en.
Повний текст джерелаU tezi su analizirana dva tipa komunikacionihkanala i odgovarajući zaštitni kodovi.Uveden je pojam multiskupovnog koda iopisane njegove primene. Proučavane suosobine entropije i relativne entropije.
Krein, Jonathan L. "Programming Language Fragmentation and Developer Productivity: An Empirical Study." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2477.
Повний текст джерелаBojan, Mrazovac. "Novo rešenje za detekciju prisustva i kretanja ljudi u prostorijama na osnovu analize signala u bežičnoj senzorskoj mreži." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=96979&source=NDLTD&language=en.
Повний текст джерелаRadio irregularity is a common and non-negligible phenomenon that impactsthe connectivity and interference in a wireless network, by introducingdisturbances in radio signal’s propagation pattern. In order to detect apossible presence of a human subject within the existing radio networksensorlessly, this thesis analyze the irregularity data expressed in a form ofreceived signal strength variation. The received signal strength variation isdecomposed into information, amplitude and frequency characteristics. Thecombination of these three characteristics analysis enables the definition ofrobust and cost-effective device-free human presence detection method thatcan be exploited for various ambient intelligence solutions, requiring theminimum hardware add-ons that are necessary for the establishment of auser aware environment.
Jovica, Tasevski. "Адаптивне бихевиористичке стратегије у интеракцији између човека и машине у контексту медицинске терапије". Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107588&source=NDLTD&language=en.
Повний текст джерелаU ovoj disertaciji se razmatraju izabrani aspekti istraživačkog problema specifikacije, dizajniranja i implementacije konverzacionih robota kao asistivnih sredstava u terapiji dece sa cerebralnom paralizom. Doprinosi ovi teze su sledeći. (i) Predložena je arhitektura konverzacionog agenta opšte namene koja omogućava fleksibilno integrisanje modula različitih funkcionalnosti. (ii) Definisana je i implementirana adaptivna bihevioristička strategija koju robot primenjuje u interakciji sa decom. (iii) Predložena dijaloška strategija je sprovedena i pozitivno procenjena u interkaciji između dece i robota u realističnom terapeutskom kontekstu. (iv) Konačno, predložen je pristup za automatsko detektovanje kritičnih promena u dijalogu, zasnovan na pojmu normalizovane dijaloške entropije.
This doctoral dissertation considers selected aspects of the research problem of specification, design, and implementation of conversational robots as assistive tools in therapy for children with cerebral palsy. This dissertation has made the following contributions: (i) It proposes a general architecture for conversational agents that allows for flexible integration of software modules implementing different functionalities. (ii) It introduces and implements an adaptive behavioural strategy that is applied by the robot in interaction with children. (iii) The proposed dialogue strategy is applied and evaluated in interaction between children and the robot MARKO, in realistic therapeutic settings. (iv) Finally, the dissertation proposes an approach to automatic detection of critical changes in human-machine interaction, based on the notion of normalized interactional entropy.
Dumitru, Corneliu Octavian. "Noise sources in robust uncompressed video watermarking." Phd thesis, Institut National des Télécommunications, 2010. http://tel.archives-ouvertes.fr/tel-00541755.
Повний текст джерелаEinar, Marcus. "Implementing and Testing Self-Timed Rings on a FPGA as Entropy Sources." Thesis, Linköpings universitet, Informationskodning, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119724.
Повний текст джерелаCasseau, Vincent. "An open-source CFD solver for planetary entry." Thesis, University of Strathclyde, 2017. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28646.
Повний текст джерелаCASTRO, JOSÉ FILHO DA COSTA. "OPERATING RESERVE ASSESSMENT IN MULTI-AREA SYSTEMS WITH RENEWABLE SOURCES VIA CROSS ENTROPY METHOD." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2018. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=36076@1.
Повний текст джерелаCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
PROGRAMA DE EXCELENCIA ACADEMICA
A reserva girante é a parcela da reserva operativa provida por geradores sincronizados, e interligados à rede de transmissão, aptos a suprir a demanda na ocorrência de falhas de unidades de geração, erros na previsão da demanda, variações de capacidade de fontes renováveis ou qualquer outro fator inesperado. Dada sua característica estocástica, essa parcela da reserva operativa é mais adequadamente avaliada por meio de métodos capazes de representar as incertezas inerentes ao seu dimensionamento e planejamento. Por meio do risco de corte de carga é possível comparar e classificar distintas configurações do sistema elétrico, garantindo a não violação dos requisitos de confiabilidade. Sistemas com elevada penetração de fontes renováveis apresentam comportamento mais complexo devido ao aumento das incertezas envolvidas, à forte dependência de fatores energético-climáticos e às variações de capacidade destas fontes. Para avaliar as correlações temporais e representar a cronologia de ocorrência dos eventos no curto-prazo, um estimador baseado na Simulação Monte Carlo Quase Sequencial é apresentado. Nos estudos de planejamento da operação de curto-prazo o horizonte em análise é de minutos a algumas horas. Nestes casos, a ocorrência de falhas em equipamentos pode apresentar baixa probabilidade e contingências que causam corte de carga podem ser raras. Considerando a raridade destes eventos, as avaliações de risco são baseadas em técnicas de amostragem por importância. Os parâmetros de simulação são obtidos por um processo numérico adaptativo de otimização estocástica, utilizando os conceitos de Entropia Cruzada. Este trabalho apresenta uma metodologia de avaliação dos montantes de reserva girante em sistemas com participação de fontes renováveis, em uma abordagem multiárea. O risco de perda de carga é estimado considerando falhas nos sistemas de geração e transmissão, observando as restrições de transporte e os limites de intercâmbio de potência entre as diversas áreas elétricas.
The spinning reserve is the portion of the operational reserve provided by synchronized generators and connected to the transmission network, capable of supplying the demand considering generating unit failures, errors in load forecasting, capacity intermittency of renewable sources or any other unexpected factor. Given its stochastic characteristic, this portion of the operating reserve is more adequately evaluated through methods capable of modeling the uncertainties inherent in its design and planning. Based on the loss of load risk, it is possible to compare different configurations of the electrical system, ensuring the non-violation of reliability requirements. Systems with high penetration of renewable sources present a more complex behavior due to the number of uncertainties involved, strong dependence of energy-climatic factors and variations in the capacity of these sources. In order to evaluate the temporal correlations and to represent the chronology of occurrence of events in the short term, an estimator based on quasi-sequential Monte Carlo simulation is presented. In short-term operation planning studies, the horizon under analysis is from minutes to a few hours. In these cases, the occurrence of equipment failures may present low probability and contingencies that cause load shedding may be rare. Considering the rarity of these events, risk assessments are based on importance sampling techniques. The simulation parameters are obtained by an adaptive numerical process of stochastic optimization, using the concept of Cross Entropy. This thesis presents a methodology for evaluating the amounts of spinning reserve in systems with high penetration of renewable sources, in a multi-area approach. The risk of loss of load is estimated considering failures in the generation and transmission systems, observing the network restrictions and the power exchange limits between the different electric areas.
More, Kristen M. "CONSIDER THE SOURCE: AN INVESTIGATION INTO PSYCHOLOGICAL CONTRACT FORMATION." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1163691587.
Повний текст джерелаRIBEIRO, AYRTON SOARES. "INFERRING THE NATURE OF DETERMINISTIC SOURCES OF REAL SERIES THROUGH PERMUTATION ENTROPY AND STATISTICAL COMPLEXITY MEASURES." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2013. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=23644@1.
Повний текст джерелаCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
FUNDAÇÃO DE APOIO À PESQUISA DO ESTADO DO RIO DE JANEIRO
O objetivo dessa dissertação é inferir o caráter das forças que governam os sistemas complexos modelados por equações de Langevin, utilizando quantificadores provenientes da teoria de informação. Avaliamos em detalhes as medidas de entropia de permutação (PE) e de complexidade estatística de permutação (PSC) para duas classes de similaridade de modelos estocásticos, caracterizadas por propriedades de arrasto ou de reversão, respectivamente, empregando-as como referência para a inspeção de séries reais. Encontramos novos parâmetros relevantes dos modelos para as medidas de PE e PSC, em relação a medidas tradicionais de entropia. Determinamos as curvas de PE e PSC de acordo com esses parâmetros para diferentes ordens de permutação n e inferimos as medidas limites para uma ordem arbitrariamente grande. Apesar de a medida PSC apresentar comportamento fortemente dependente da ordem de permutação considerada, encontramos um importante resultado n-invariante, que permite identificar a natureza (de arrasto ou de reversão) das fontes determinísticas subjacentes ao sinal complexo. Concluímos investigando a presença de tendências locais em séries de preços de ações.
The scope of this dissertation is to infer the character of the forces controlling complex systems modeled by Langevin equations, by recourse to information-theory quantifiers. We evaluate in detail the permutation entropy (PE) and the permutation statistical complexity (PSC) measures for two classes of similarity of stochastic models characterized by drifting and reversion properties, respectively, employing them as a framework for the inspection of real series. We found new relevant model parameters for PE and PSC measures as compared to standard entropy measures. We determine the PE and PSC curves according to these parameters for different permutation orders n and infer the limiting measures for arbitrary large order. Although the PSC measure presents a strongly scaledependent behavior, a key n-invariant outcome arises, enabling one to identify the nature (drifting or reversion) of the deterministic sources underlying the complex signal. We conclude by investigating the presence of local trends in stock price series.
MORETTI, RICCARDO. "Digital Nonlinear Oscillators: A Novel Class of Circuits for the Design of Entropy Sources in Programmable Logic Devices." Doctoral thesis, Università di Siena, 2021. http://hdl.handle.net/11365/1144376.
Повний текст джерелаWen, Wen. "The implications of incumbent intellectual property strategies for open source software success and commercialization." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44867.
Повний текст джерелаKouichi, Hamza. "Optimisation de réseaux de capteurs pour la caractérisation de source de rejets atmosphériques." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLE020/document.
Повний текст джерелаThe main objective of this study is to define the methods required to optimize a monitoring network designed for atmospheric source characterization. The optimization consists in determining the optimal number and locations of sensors to be deployed in order to respond to such needs. In this context, the optimization is performed for the first time by a coupling between the data inversion technique named "renormalization" and the metaheuristic optimization algorithms. At first, the inversion method was evaluated for a point source, and then have allowed to define optimality criteria for networks design. In this study, the optimization process was evaluated in experiments carried out in flat terrain without obstacles (DYCE) and in an idealized urban environment (MUST). Three problems were defined and tested based on these experiments. These problems concern (i) the determination of the optimal network size for source characterization, for which a cost function (standard errors) estimating the gap between observations and modeled data, has been minimized; (ii) the optimal design of a network to retrieve an unknown point source for a particular meteorological condition. In this context, an entropy cost function has been maximized in order to increase the information’s amount provided by the network; (iii) the determination of an optimal network to reconstruct an unknown point source for multiple meteorological configurations. For this purpose, a generalized entropic cost function that we have defined, has been maximized. For these all problems, optimization is ensured within the framework of a combinatorial optimization approach. The determination of the optimal network size (problem 1) was highly sensitive to experimental conditions (source height and intensity, stability conditions, wind speed and direction, etc.). We have noted that the networks performance is better for a dispersion on flat terrain compared to the urban environments. We have also shown that different networks architectures can converge towards the same optimum (approximate or global). For unknown sources reconstruction (problems 2 and 3), the entropic cost functions have proven to be robust and allowed to obtain optimal networks (for reasonable sizes) capable of characterizing different sources for one or multiple meteorological conditions
Mester, Gretchen S. "An empirical assessment of entry into the green power market /." view abstract or download file of text, 2004. http://wwwlib.umi.com/cr/uoregon/fullcit?p3153794.
Повний текст джерелаTypescript. Includes vita and abstract. Includes bibliographical references (leaves 93-96). Also available for download via the World Wide Web; free to University of Oregon users.
Strobio, Chen Lin [Verfasser], Wolfgang [Akademischer Betreuer] [Gutachter] Polifke, and Maria [Gutachter] Heckl. "Scattering and Generation of Acoustic and Entropy Waves across Moving and Fixed Heat Sources / Lin Strobio Chen ; Gutachter: Wolfgang Polifke, Maria Heckl ; Betreuer: Wolfgang Polifke." München : Universitätsbibliothek der TU München, 2016. http://d-nb.info/1142376257/34.
Повний текст джерелаKarmela, Rakić. "Лексиколошки и лексикографски статус актуелних позајмљеница у српском језику". Phd thesis, Univerzitet u Novom Sadu, Filozofski fakultet u Novom Sadu, 2016. http://www.cris.uns.ac.rs/record.jsf?recordId=101223&source=NDLTD&language=en.
Повний текст джерелаThe thesis discusses the position of the currentloanwords in the Serbian language from the lexicologicaland lexicographical point of view. The corpus of 1,000loanwords excerpted from the relevant press has beencollected for this study. After some basic and introductorycomments on the subject and the goal of the research, thefirst part of the thesis deals with theoretical statementsconcerning loanwords in lexicological andlexicographical literature. The following segment of thestudy explains the methodology applied in practice anddescribes the sources of the excerpted lexis. The next isthe analytical part where the excerpted lexis is analysedon the levels of phonology, morphology, word formation,lexicology, semantics and ortography. It is used to showthe adaptibility of loanwords to different linguistic levelsand approach of the contemporary Serbian lexicographytowards this significant segment of the current lexis in theSerbian language. Some specific parts of the thesis havebeen selected as the review of the issue of compositelexemes, as well as the structure of the lexicon. The studyis ended with the concluding notes where the overview ofthe complete thesis is given and the attention is drawn tothe open questions. The most extensive part is the lexiconof the current loanwords in the Serbian language. Thisresearch has shown that relevant lexicological andlexicographical practice do not adequately comprise quitelayered and complex accumulation of foreign lexis in thecontemporary Serbian language.
Bouchet, Laurent. "Observations avec le téléscope SIGMA des candidats trous noirs, sources de rayonnement Gamma." Toulouse 3, 1992. http://www.theses.fr/1992TOU30267.
Повний текст джерелаDong, Bin. "Spatial Separation of Sound Sources." Phd thesis, INSA de Lyon, 2014. http://tel.archives-ouvertes.fr/tel-01059653.
Повний текст джерелаSaulich, Sven. "Generic design and investigation of solar cooling systems." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/13627.
Повний текст джерелаVayá, Salort Carlos. "Characterization and processing of atrial fibrillation episodes by convolutive blind source separation algorithms and nonlinear analysis of spectral features." Doctoral thesis, Universitat Politècnica de València, 2010. http://hdl.handle.net/10251/8416.
Повний текст джерелаVayá Salort, C. (2010). Characterization and processing of atrial fibrillation episodes by convolutive blind source separation algorithms and nonlinear analysis of spectral features [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/8416
Palancia
Le, Quang Huy Damien. "Spectroscopic measurements of sub-and supersonic plasma flows for the investigation of atmospheric re-entry shock layer radiation." Thesis, Clermont-Ferrand 2, 2014. http://www.theses.fr/2014CLF22462/document.
Повний текст джерелаDuring planetary atmospheric entries, thermochemical non-equilibrium processes in the shock layer limit the reliability of aerothermal environment prediction. To improve prediction accuracy, non-equilibrium kinetic models are being developed. These models are experimentally assessed through the comparison with well characterized non-equilibrium experiments. For this purpose, the present work is dedicated to the thermodynamic characterization of non-equilibrium in high enthalpy reactive flows. Conversely to common studies that employ short duration facilities to investigate shock layer kinetics, we will assess the possibility of producing significant departure from equilibrium using radio-frequency and microwave stationary plasma flows, including supersonic plasma flows where vibrational non-equilibrium is strongly expected. Suitable spectroscopic diagnostics have been applied allowing future comparisons to be made between the microscopic description of the experiments and theoretical non-equilibrium models
Clark, Steven James. "A market entry strategy of Metso for the biomass-based power generation solutions market in South Africa." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/80475.
Повний текст джерелаThe global energy industry is actively moving toward renewable energy sources in order to meet the ever-increasing demand for energy in a sustainable manner. The South African government, however, has only recently begun creating an environment which is truly conducive to investment into the renewable energy industry. Metso, a Finnish multi-national corporation, has a strong global position in the field of biomass-based power generation for heat, power or combined heat and power applications. The corporation has developed a modular biomass-based power generation solution for power generation in the 3MW to 10MW range, which is highly automated and can essentially operate without the need for extensive human intervention and is known as the Metso Bio-energy Solution. Considering the current state of the South African energy environment, Metso management requested the researcher to investigate the opportunities that exist in the South African market for Metso’s Bio-energy Solution, and to propose a market entry strategy which Metso should follow in order to enter the South African market. In the findings, the researcher observed that South Africa has a clear potential for the development of a bio-energy industry for power generation, although the limited availability of biomass in certain regions and the various harvesting methods in industries such as the forestry and sugar industries do restrict the access to this resource. The municipal solid waste industry appears to be an area of interest as well, although very little information exists regarding the volumes of waste available and sorting practices, which may be required in order to access these resources. Interviews were held with experts in the field of energy, renewable energy and energy policy in order to obtain opinions on the market potential for Metso’s Bio-energy Solution. The general perception of all interviewees was that the technology has its place within the South African energy mix. The interviewees, however, did confirm that there currently appears to be a major focus on wind and solar energy in the country, although biomass technology may well be a better solution due to its baseload capabilities. It was found that the local policy environment, the lack of government initiative on renewable energy licensing and unclear tariff structures have all inhibited the proliferation of the renewable energy industry. In many cases, frustration with power outages and policy delays has caused companies to invest in biomass co-firing facilities for their own consumption. The factors for success for biomass-based technologies in the South African market would appear to be directly linked to job creation potential, access to reliable and sustainable biomass resources and access to investment capital, from both private equity and the state. It is the recommendation of the researcher that Metso enters into a joint venture with a large international environmental finance company, which would base their business model on the technology provided by Metso, whilst securing the political and financial support for projects of this nature in the country.
Lorusso, Marise Miglioli. "COMUNICAÇÃO EM LINHA E RUÍDOS SEMÂNTICOS NA RECUPERAÇÃO DE INFORMAÇÕES EM PESQUISAS CIENTÍFICAS." Universidade Metodista de São Paulo, 2007. http://tede.metodista.br/jspui/handle/tede/800.
Повний текст джерелаThe scientific researcher needs necessary information, in skillful time for conclusion of its works. With the advent of the INTERNET, the process of on-line communication, man x machine, mediated for the search mechanisms, became, simultaneously, an aid and a difficulty in the process of recovery of information. The researcher had that to adapt it the way to operate of the INTERNET and included knowledge of idiomatic differences, of terminology, beyond using instruments that supply parameters to it to get greater relevancy and relevance in the data. The use of intelligent agents for improvement of results and the reduction of semantic noises have been pointed as solutions with respect to increase of the precision in the result of the searches. The exploratory study of cases carried through it analyzes on-line research from the theory of the information and considers two forms to optimize the comunicacional process with sights to the relevancy and relevance of the gotten data: the first one suggests the application of algorithms that use mediating the controlled vocabulary as of the communication process using itself of the describers for on-line recovery. , and second the importance of the intelligent agents in the process of man-machine communication stands out.(AU)
O pesquisador científico necessita de informações precisas, em tempo hábil para conclusão de seus trabalhos. Com o advento da INTERNET, o processo de comunicação em linha, homem x máquina, mediado pelos mecanismos de busca, tornou-se, simultaneamente, um auxílio e uma dificuldade no processo de recuperação de informações. O pesquisador teve que adaptar-se ao modo de operar da INTERNET e incluiu conhecimentos de diferenças idiomáticas, de terminologia, além de utilizar instrumentos que lhe forneçam parâmetros para obter maior pertinência e relevância nos dados. O uso de agentes inteligentes para melhoria de resultados e a diminuição de ruídos semânticos têm sido apontados como soluções para aumento da precisão no resultado das buscas. O estudo de casos exploratório realizado analisa a pesquisa em linha a partir da teoria da informação e propõe duas formas de otimizar o processo comunicacional com vistas à pertinência e relevância dos dados obtidos: a primeira sugere a aplicação de algoritmos que utilizem o vocabulário controlado como mediador do processo de comunicação utilizando-se dos descritores para recuperação em linha. , e a segunda ressalta a importância dos agentes inteligentes no processo de comunicação homem-máquina.(AU)
Cure, Vellojin Laila Nadime. "Analytical Methods to Support Risk Identification and Analysis in Healthcare Systems." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3054.
Повний текст джерелаMbarki, Omar. "Etude des contributions enthalpiques et entropiques à la variation d'énergie libre redox de protéines de transfert d'électrons : cytochromes et protéines fer-soufre." Aix-Marseille 1, 1995. http://www.theses.fr/1995AIX11021.
Повний текст джерелаDuarte, Leonardo Tomazeli 1982. "Um estudo sobre separação cega de fontes e contribuições ao caso de misturas não-lineares." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261781.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
Made available in DSpace on 2018-08-06T23:03:11Z (GMT). No. of bitstreams: 1 Duarte_LeonardoTomazeli_M.pdf: 2778720 bytes, checksum: ff42018b4aa2d824cd1f001655a42ddf (MD5) Previous issue date: 2006
Resumo: O presente trabalho tem como objetivo a realização de um estudo sobre o problema de separação cega de fontes. Em uma primeira parte, considera-se o caso clássico em que o sistema misturador é de natureza linear. Na seqüência, a extensão ao caso não-linear é tratada. Em particular, enfatizamos uma importante classe de modelos não-lineares, os modelos com não-linearidade posterior (PNL). Com o intuito de contornar uma dificuldade relacionada à convergência para mínimos locais no treinamento de sistemas separadores PNL, uma nova técnica é proposta. Tal solução se baseia no uso de um algoritmo evolutivo na etapa de treinamento e de um estimador de entropia baseado em estatísticas de ordem. A eficácia do algoritmo proposto é verificada através de simulações em diferentes cenários
Abstract: The aim of this work is to study the problem of blind source separation (BSS). In a first part, the classical case in which the mixture system is of linear nature is considered. Afterwards, the nonlinear extension of the BSS problem is addressed. In special, an important class of nonlinear models, the post-nonlinear (PNL) models, is emphasized. In order to overcome a problem related to the convergence to local minima in the training of a PNL separating system, a novel technique is proposed. The bases of such solution are the application of an evolutionary algorithm in the training stage and the use of an entropy estimator based on order statistics. The efficacy of the proposal is attested by simulations conducted in different scenarios
Mestrado
Telecomunicações e Telemática
Mestre em Engenharia Elétrica
Kovaříková, Lenka. "Hodnocení investičních možností PRE do malých vodních elektráren." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-75487.
Повний текст джерелаKrysta, Monika. "Modélisation numérique et assimilation de données de la dispersion de radionucléides en champ proche et à l'échelle continentale." Phd thesis, Université Paris XII Val de Marne, 2006. http://tel.archives-ouvertes.fr/tel-00652840.
Повний текст джерелаBai, Hong-Yi, and 白宏益. "Detection of Biomagnetic Source by the Method of Maximum Entropy." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/42333064575228684044.
Повний текст джерела國立中興大學
物理學系
91
This thesis applied a novel approach to the detection of active sources in the cortex from magnetic field measurements on the scalp in magnetoencephalograph (MEG). In order to get the neurons’s activation, we have to solve an ill-posed inverse problem. Our approach to the solution is the framework of Maximum Entropy on the Mean. A reference probability measure on the random variables is our means of regularizing of the singular nature of the problem. The variables are the intensity of current sources on the cortical region which include all available prior information that help in the regularization. We also introduce a hidden Markov random variable as part of the prior information. The Maximum Entropy method is used again within this framework. Finally, we demonstrate how the method is applied in a practical detection of cerebral activity by analyzing simulated MEG data.
Lin, Yu-Chun, and 林昱均. "Entropy Generation Analysis due to Pumping Power and Heat Source of a Microchannel Heat Sink." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/35055450368819137961.
Повний текст джерела大同大學
機械工程學系(所)
100
In this study, the three-dimensional heat transfer in a micro-channel heat sink is analyzed numerically. Entropy generation is applied to analyze the overall efficiency of the heat sink, and to compare with the overall performance by thermal resistance. The entropy generation caused by the thermal resistance of a heat sink and the pressure loss of fluid flow in a flow passage is calculated. Base on the balance between thermal performance and fluid flow, an optimum geometry of microchannel heat sink is found. This method is an integrated approach for performance of a microchannel heat sink accompanied with the problem of pressure drop. The effects of channel-width ratio and inlet velocity on thermal resistance, pressure drop and entropy generation are studied by setting fixed flow rate, pressure drop and inlet velocity. Through the entropy generation, optimum geometric configuration for different channel number, it is found that case of number of channel N=100 is better than the other case for fixed flow rate. When pressure drop is chosen to be a fixed value, inappropriate over range of pressure drop can be excluded. The entropy generation is calculated for comparison with pressure drop. In addition, the effects due to the mean velocity on both flow resistance and thermal resistance are also calculated. Under the range of the present study, it is found that velocity of 2m/s has the minimum entropy generation than others. The goal of design on microchannel heat sink is to save fluid flow energy and get best heat dissipation. Therefore, entropy generation is a good indicator for analyzing the performance and efficiency of a microchannel heat sink.
Yu-Wei, Wang. "High order joint source channel decoding and conditional entropy encoding novel bridging techniques between performance and complexity /." 2004. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-444/index.html.
Повний текст джерелаHuang, Bo-Cheng, and 黃柏誠. "An Efficient Approach to Detect DDoS Attack in Software-defined Networking Architecture based on the Entropy of Source IP Address." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/x3debt.
Повний текст джерела國立臺灣科技大學
資訊工程系
105
The pattern of distributed denial-of-service (DDoS) attacks on the Internet draws a lot of attention recently. Although the mythology for launching a DDoS attack is simple, it is not easy to avoid and be free from the attack because of its the distributed traits of packets and blurry rules of attacking methods. With the emergence of software-defined networking (SDN), there are many flexible applications on defending against network-attack on the Internet. Conventionally, users rely on hardware support to filter and figure out attack behaviour, but they can neither change the settings in the switch nor even take actions when they find that attack happens. If users want to establish prevention methods, they have to modify the firmware of the switch or use the GUI applications which are developed by the manufacturers to satisfy their users’ need. In the past, some researchers take entropy to detect DDoS attacks, moreover, they can analyse flows according to timestamps. Others adapt statistical methods to differen- tiate from normal and abnormal flows on different routers and to identify packets sent by attackers. However, no matter entropy or statistical methods are used, they are all effec- tive for detecting attacks in many aspects. The proposed research will combine chunk of entropy with statistical methods to construct an improved mathematical model on the basis of DDoS attack and SDN environment. The proposed method can analyse statistical value in short time and investigate the difference of normal packets and attacking packets. When an attack happens, we can fix the network situation by modifying the flow table in the switch. The proposed research conducts attack/defense experiments through SDN environ- ment, servers and zombies to prove the practice of the proposed model. With Python scripts which is customized by propose method, we attack victims on our own SDN en- vironment and chunk size can be obtained by pretesting automatically. With appropriate chunk size, we can detect attacks within just 1 seconds by observing the attack if p-value is smaller than 0.05. In the situation of proposed chunk-size with fast simulation of normal networking environment, the false alarm rate is about 0.2%.
Samuel, Sindhu. "Digital rights management (DRM) - watermark encoding scheme for JPEG images." Diss., 2008. http://hdl.handle.net/2263/27910.
Повний текст джерелаDissertation (MEng)--University of Pretoria, 2008.
Electrical, Electronic and Computer Engineering
unrestricted
Srivastava, Gautam. "Pseudorandom number generators using multiple sources of entropy." Thesis, 2006. http://hdl.handle.net/1828/2096.
Повний текст джерелаChen, Liang-Ling, and 陳亮霖. "The analysis Job Burnout Sources, Buffers and Communication Approaches with Entropy Theory." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/05330717602730069733.
Повний текст джерела國立高雄第一科技大學
行銷與流通管理所
91
There were already many studies about job burnout previously, few apply the theory of others areas to analyze characteristics of job burnout. Therefore, this study explained job burnout by analogizing with entropy that is popular notion of physics. And the researcher expected to manifest the importance of job burnout in the enterprises, individuals and families. About the data processing method, the Hartley entropy formula replaced the numeral of respondent with the information quantity. The data processing method can offer the meanings of scale data. Furthermore, Hartley entropy formula also solved the problem of Likert scale when items are combined to form a variable. Samples of this study are from the frontline employees in the service department.. Study samples were from 162 couples of the electronics and finances industry. The result showed that sources of the job burnout are work environment. And the job burnout also influences the marital burnout. Besides, the perception of social support of frontline employees in the service department owns the buffer ability to the link between work environment and job burnout. By study result, the researcher suggested that enterprises couldn''t attribute the reason of job burn out to individual''s factor or ignore the influence when frontline employees meet job burnout. Enterprises need survey work environment quality and are more positive responsible for the prevention and cure of job burnout so that Enterprises can mitigate the attacks of job burnout.
"Contrast properties of entropic criteria for blind source separation : a unifying framework based on information-theoretic inequalities." Université catholique de Louvain, 2007. http://edoc.bib.ucl.ac.be:81/ETD-db/collection/available/BelnUcetd-02162007-112342/.
Повний текст джерелаShyng, Chii-Wen, and 邢啟文. "The Source of Competitive Advantage: The New Product Entry Strategy and the Marketing Mix Perspective -- Analysis of Part-Time MBA Students in Taiwan and China with a Marketing Operation Strategy Simulation." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/98166433794773012769.
Повний текст джерела國立交通大學
管理學院碩士在職專班經營管理組
94
A key subject of business management is new product entry strategy. Firms invest huge resources to develop new product and expect it can be the driver to help firms to be evergreen. This study examines the success factors of new product entry strategy from the aspects of first-mover advantage and marketing mix by investigating the data from a computer based marketing operation strategy simulation which is executed by part-time MBA students from a Taiwanese national university and a Chinese management school. This study explores the strategy of new product entry and compares the difference of the strategy between the two schools by examining the factors of the source of first-mover advantage, including entry order, success order, periods prior to the success, channel strategy, pricing strategy and marketing expense strategy. Although there are only two of the seven hypotheses are significant, we still can deduce the following inferences by investigating the simulation result. First of all, entry order is not sufficient to explain the first-mover advantage. Second, this study shows the speed to achieve the scale of economics is the source of first-mover advantage. Third, Taiwanese students do strong then do big. Their strategy and management are flexible. Chinese students do big then do strong. They would like to take the whole market so build up the capacity in one time. There are differences of the new product entry strategy between the Taiwanese students, who come from a highly competitive business environment, and Chinese students, who come form a environment with planed economy and world factories.
Hagenhoferová, Lucie. "K problémům členění na významy v překladovém slovníku." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-341332.
Повний текст джерела