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Bortolotti, Rosa Maria. "Jeunesses populaires en ligne : la relation éducative à l’épreuve des paniques numériques. Le cas de la Prévention Spécialisée". Electronic Thesis or Diss., CY Cergy Paris Université, 2023. http://www.theses.fr/2023CYUN1220.
Pełny tekst źródłaIn an increasingly digitalized society where digital tools and social networks are widely used by popular youth, “moral panics” find a new field of application. Naivety, dangerousness, screen addiction, technological illiteracy, search for buzz through filmed fights, provocation, obesity: as many repressed representations which are being reactivated. This thesis questions the relationship between digital technology and young people in situations of social vulnerability and the socio-educational professionals who accompany them. Carried out in a sensitive territory in Île de France*, through an ethnographic approach (physical and virtual), this thesis is the result of three years of field work (2019-2022) carried out with around thirty professionals in the field of Specialized Prevention and around sixty young people, aged 12 to 23, accompanied by street educators. We analyse the representations of these professionals on the digital practices of young people, in particular regarding digital social networks, and confront them with the digital uses of the former. Firstly, we note the prevalence, in the sector, of negative vision of the digital practices of young people, relating to a phenomenon that we describe as “digital panic”. Secondly, we question this “digital panic” by retracing the digital lives of young people. We underline that “popular online youth” use digital social networks to flourish, develop a cultural practice and above all maintain friendships, even if their digital practices are part of situated social relationships. Finally, we explore the different digital practices of a certain number of professionals who, rejecting “digital panic”, are investing in the juvenile digital world. The new digital sociabilities are experienced here as a “digital test” which invites them to update their guidance methods and to develop what we call a “digitalized educational relationship”. This thesis aims to demonstrate that traditionally pessimistic discourses towards working-class youth, which are rooted in a concern towards any new cultural practice, reflect on the methods of educational support for their digital practices
Ballard, Susan Patricia Art College of Fine Arts UNSW. "Out of order: explorations in digital materiality". Publisher:University of New South Wales. Art, 2008. http://handle.unsw.edu.au/1959.4/42596.
Pełny tekst źródłaMachado, Luis Flavio Collares. "Mapeamento de pequena ordem na hierarquia digital sincrona". [s.n.], 1996. http://repositorio.unicamp.br/jspui/handle/REPOSIP/259773.
Pełny tekst źródłaDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação
Made available in DSpace on 2018-07-22T08:29:06Z (GMT). No. of bitstreams: 1 Machado_LuisFlavioCollares_M.pdf: 13612216 bytes, checksum: 883dace31683d3a412f8388eb4517593 (MD5) Previous issue date: 1996
Resumo: A rede HDS (Hierarquia Digital Síncrona) já é uma realidade, hoje várias empresas estão implantando este sistema em todo o país. A HDS tornou-se um padrão mundial, não colocando na obsolescência as atuais redes PDH, pois estas podem ser interconectadas com as novas redes. Este novo padrão possibilita a interligação entre sistemas de 1,5 Mb/s e 2 Mb/s, não existindo mais fronteiras de incompatibilidade entre sistemas europeus e americanos. O gerenciamento mais abrangente, o uso da fibra óptica como meio de transmissão, uma estrutura mais inteligente de mapeamento de sinais e a possibilidade de cross-conexão consolidaram a HDS. Neste trabalho foram desenvolvidas três li¿n ANTPOT. H¿as de pesquisa: Um primeiro estudo desenvolve uma formulação para mapeamento e desmapeamento de canais de 64 kb/s nos containers VC-12 e VC-l1. A seguir, blocos funcionais são projetados utilizando a linguagem VHDL1para mapeamento e desmapeamento de canais de 2Mb/s. Finalmente muitas simulações são realizadas com blocos funcionais anteriormente projetados, utilizando agora VHDL a nível estrutural, visando principalmente a observação do fenômeno de escorregamento de sinal(slips)
Mestrado
Mestre em Engenharia Elétrica
Saidi, Ali. "Root contours of low-order two-dimensional system functions". Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/13722.
Pełny tekst źródłaPrice, Marc Royston. "Hybrid structures for high order recursive filters". Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339120.
Pełny tekst źródłaKwan, Wai Ming Hercule. "Parallel implementation of a fast third-order volterra digital filter /". Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.
Pełny tekst źródłaSukhon, Mohammad. "Double-sampled digital-feedforward second-order delta-sigma modulator". Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32527.
Pełny tekst źródłaUn modulateur delta sigma 12-bit 2.8-MHz conçu pour des applications ADSL est présenté dans ce mémoire. Le processus de conception est décrit en deux phases: la conception au niveau du système suivie de la réalisation au niveau du circuit. Lors de la première phase, les paramètres du système sont choisis et les spécifications analogiques du circuit sont dérivées. La phase de l'implémentation du circuit impliquait la conception de circuits analogiques tels que amplificateurs opérationnels respectant les spécifications du système. La conception du circuit a été réalisée sur la technologie 1-V 65-nm CMOS. Le doubleéchantillonnage a été employé afin que les circuits de condensateurs-commutés soient plus économiques en terme de puissance. La technique d'action directe (feedforward) a été utilisée sur le signal d'entrée afin de réduire l'amplitude à la sortie des amplificateurs. La technique d'action directe digitale sur le signal d'entrée est utilisée et présentée comme une alternative à son homologue analogique.
Li, Yan. "Digital holography and optical contouring". Thesis, Liverpool John Moores University, 2009. http://researchonline.ljmu.ac.uk/4539/.
Pełny tekst źródłaMattus, Maria. "De länkade orden : Den digitala arenans dynamik". Doctoral thesis, Linköpings universitet, Tema Kommunikation, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11374.
Pełny tekst źródłaAvhandlingens övergripande syfte är att utforska yttrandefrihet och trovärdighet relaterat till Internet. Fenomenet yttrandefrihet betraktas och studeras ur ett kommunikativt perspektiv där Internet utgör arenan för kommunikationen som är möjliggjord av den digitala tekniken. Teoretiskt baseras avhandlingen på tre begrepp: Internet, yttrandefrihet och trovärdighet. Fyra studier ingår, var en har sitt specifika närmande och sin metod. Den första studien berör två webbplatser på Internet, båda går att hänföra till Förintelsen. Syftet är att identifiera en slags hypertextuell dialog mellan Levande historia, som är ett seröst projekt om demokrati och medmänsklighet, och Sann historia, som uttrycker ett revisionistiskt synsätt. Den andra studien undersöker en mediedebatt, förd i dagstidningsartiklar 1997-1999, relaterad till yttrandefrihet och censur på Internet. Avsikten är att urskilja de beskrivningar av innehållet på Internet som tidningarna lyfter fram samt att se hur Internets roll berörs. Den tredje studien undersöker uppsatsskrivande studenters bedömning av trovärdighet vid sökandet efter vetenskaplig information i webbaserade miljöer. En enkät där studenterna skattar 24 olika element har använts. Den fjärde studien avser att utifrån intervjuer med Wikipedias användare öka förståelsen för Wikipedias funktion och dynamik som wiki-uppslagsverk. I studierna framskymtar, på ett mer övergripande plan, aspekter av Internet som arena vilka gör att yttrandefriheten kan ses som förhållandevis speciell. Dessa aspekter diskuteras i termer av hypertextstruktur, collageeffekt, gränslösa identiteter, ansvarsförskjutning, parallellvärld och hyperrealitet, utjämnande effekt, samt urlakningseffekt. Ett egenkonstruerat koncept presenteras i den hypertextuella dialogen. Diskussionen tar upp nyhetsmediernas förhållningssätt till Internet, vad som kan tillskrivas den bakomliggande agendan, samt mediernas påverkan på människor. Dessutom berörs Internets pluralism och hur den kan inverka på sättet att se på ”sanning”. Wikipedia framhålls som en förebild genom att visa på hur engagerade användare tillsammans kan skapa en konkurrenskraftig produkt. På Internet sker interaktionen inom och med den hypertextuella strukturen vilket påverkar meningsskapandet och förskjuter ansvaret från texternas ursprungliga skapare till användarna. Möjligtvis behövs någon slags homo navigare som kan fungera inom, utom och emellan digitala arenor.
Ching, Hsu. "Techniques for High-Speed Digital Delta-Sigma Modulators". Thesis, Linköpings universitet, Institutionen för systemteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-125778.
Pełny tekst źródłaCarvalho, Janison Rodrigues de. "Estatísticas de ordem superior e redes neurais artificiais aplicadas à proteção digital de linhas de transmissão". Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/18/18154/tde-06052013-083525/.
Pełny tekst źródłaA novel method of Transmission Lines (TLs) protection is presented and discussed in this work. The proposed algorithm performs the traditional steps of distance relaying, such as: fault detection, classification and location. The new method applies the Higher Order Statistics (HOS), also known as cumulants, as a tool for feature extraction in order to apply Artificial Neural Networks (ANN) for pattern classification. These networks are responsible for the processing of information, identifying a possible fault condition, the type of fault and, finally, its location in terms of fault zones considered for the problem. The application of HOS in a protection scheme is responsible for the transformation of electrical data, such as current signals, to a different domain where the different types of faults are highlighted by different classes of samples. The available database was obtained by simulating an Electric Power System and it is used for computing the statistics and training/validating the distinct neural networks of each step of the distance protection. A relay prototype is obtained by combining these steps in a synchronized operation. This prototype allowed the execution of extensive tests, simulating the operation of a protective system in real-time. Despite the use of currents signals only, the proposed method provided efficient protection for the EPS under study. In fact, comparing the results with a traditional method applied to distance protection, based on apparent impedance, an improvement of the protection performance was demonstrated. Especially for faults involving one phase and the ground, the most common in power systems, the results of the new methodology was significantly superior to that of the conventional relay. It can be concluded that the technique presents a high relevance for applications in transmission line protection.
Yayci, Cihat. "Higher order spectra and their use in digital communication signal estimation". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA297717.
Pełny tekst źródłaThesis advisor(s): Ralph Hippenstiel, Donald L. Walters. "March 1995." Includes bibliographical references. Also available online.
Christoffers, Niels. "Entwurf Sigma-Delta-PLL-basierter Frequenzgeneratoren höherer Ordnung für drahtlose digitale Kommunikationssysteme / Design of High-Order PLL-based Sigma-Delta Frequency Synthesizers for Wireless Digital Communication Systems". Gerhard-Mercator-Universitaet Duisburg, 2004. http://www.ub.uni-duisburg.de/ETD-db/theses/available/duett-12162004-201909/.
Pełny tekst źródłaBotteron, Yvan. "Analysis and design of higher-order sigma-delta analog-to-digital converters". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq24715.pdf.
Pełny tekst źródłaCheshmehdoost, Reza. "An alternative approach to the performance enhancements of second order sigma-delta modulator A/D convertors". Thesis, University of the West of Scotland, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336901.
Pełny tekst źródłaKouchaki, Barzi Behnaz. "Points of High Order on Elliptic Curves : ECDSA". Thesis, Linnéuniversitetet, Institutionen för matematik (MA), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-58449.
Pełny tekst źródłaJiang, Xin. "A Systematic Approach for Digital Hardware Realization of Fractional-Order Operators and Systems". University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1386649994.
Pełny tekst źródłaTaghipour, Ehsan. "Development of Reduced-Order Computational Models for Digital Manufacturing of Flexible Wire Harnesses". The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543404707742968.
Pełny tekst źródłaJavidan, Mohammad. "Design of high-order sigma-delta modulators for parallel analog-to-digital converters". Paris 11, 2009. http://www.theses.fr/2009PA112303.
Pełny tekst źródłaThis work is about design of convenient high-order continuous-time sigma-delta modulators for EFBD systems. Of all studied sorts of the resonators, Lamb wave resonators are chosen to obtain the required Q-factor. Also, solutions are proposed to overcome the issues of piezo-electique resonators. A new structure of 6th-order modulators based on weighted feedforward techniques is proposed. This structure provides moreover a filtering STF without modifying the NTF. An optimization method on the modifiable parameters of the proposed topology is developed to recover the performance of the modulator accounting analog imperfections. Finally, a second-order modulator is implemented to benchmark the proposed solutions
Aysal, Tuncer Can. "Filtering and estimation theory first-order, polynomial and decentralized signal processing /". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 327 p, 2007. http://proquest.umi.com/pqdweb?did=1257806501&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Pełny tekst źródłaHadi, Muhammad Usman. "Digital predistortion for compensation of nonlinearities in Radio over Fiber Links". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Znajdź pełny tekst źródłaLeong, Choon-Haw. "New architectures for high-order bandpass sigma-delta modulation in digital-to-analog converters". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0033/MQ50636.pdf.
Pełny tekst źródłaKey, Fabian [Verfasser]. "Advanced Full- and Reduced-Order Simulations as Digital Tools in Production Engineering / Fabian Key". München : Verlag Dr. Hut, 2021. http://nbn-resolving.de/urn:nbn:de:101:1-2021100123332551647617.
Pełny tekst źródłaPeck, Amy Dwyer. "Combining Digital Media and Unstructured, Outdoor Play in Order to Foster Healthy Child Development". Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1334445175.
Pełny tekst źródłaMall, Suneeta. "Modelling the interpretation of digital mammography using high order statistics and deep machine learning". Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/19987.
Pełny tekst źródłaRahman, Z. A. S. A., B. H. Jasim, Yasir Al-Yasir, Raed A. Abd-Alhameed i B. N. Alhasnawi. "A New No Equilibrium Fractional Order Chaotic System, Dynamical Investigation, Synchronization and Its Digital Implementation". MDPI, 2021. http://hdl.handle.net/10454/18546.
Pełny tekst źródłaIn this paper, a new fractional order chaotic system without equilibrium is proposed, analyti-cally and numerically investigated, and numerically and experimentally tested. The analytical and numerical investigation were used to describe the system dynamical behaviors including, the system equilibria, the chaotic attractors, the bifurcation diagrams and the Lyapunov expo-nents. Based on the obtained dynamical behaviors, the system can excite hidden chaotic attrac-tors since it has no equilibrium. Then, a synchronization mechanism based on the adaptive con-trol theory has been developed between two identical new systems (master and slave). The adaptive control laws are derived based on synchronization error dynamics of the state varia-bles for the master and slave. Consequently, the update laws of the slave parameters are ob-tained, where the slave parameters are assumed to be uncertain and estimate corresponding to the master parameters by the synchronization process. Furthermore, Arduino Due boards were used to implement the proposed system in order to demonstrate its practicality in real-world applications. The simulation experimental results are obtained by MATLAB and the Arduino Due boards respectively, where a good consistent between the simulation results and the ex-perimental results. indicating that the new fractional order chaotic system is capable of being employed in real-world applications.
Žižka, Josef. "Digitální modulátor pro vícestavové modulace". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219866.
Pełny tekst źródłaCheng, Hai-Ling Margaret. "3D spatio-temporal interpolation of of digital image sequences using low-order 3D IIR filters". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq20866.pdf.
Pełny tekst źródłaDuan, Tianzhou. "Effects of purchase and presentation order on the valuation of physical and digital good bundles". Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90082.
Pełny tekst źródłaCataloged from PDF version of thesis.
Includes bibliographical references (pages 27-28).
Many digital goods also come on physical mediums, such as movies and games on discs. We investigate how the order of purchase (buying a digital copy of a good already owned in physical form or vice versa) and order of presentation (considering one form of the good and then a bundle of both) can affect consumer valuations of the second purchase and bundles containing both physical and digital goods. Using a series of experiments, we show that (a) physical goods are more valuable than digital goods, (b) consumers who own digital (physical) goods are more (less) willing to purchase a second, physical (digital) copy of the same good, and (c) presenting consumers a digital product for consideration first can lead to lower willingness to pay for a bundle containing both physical and digital forms of the good. Internalized reference prices and the anchoring and adjustment heuristic are used to explain these results.
by Tianzhou Duan.
S.M. in Management Research
Dingman, James Steven. "The development and application of generalized higher order filtering techniques to the continuum wave equations /". The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487268021749887.
Pełny tekst źródłaRistic, Branko. "Some aspects of signal dependent and higher-order time-frequency and time-scale analysis of non-stationary signals". Thesis, Queensland University of Technology, 1995.
Znajdź pełny tekst źródłaChabata, Tichakunda Valentine. "Higher order modulation formats for high speed optical communication systems with digital signal processing aided receiver". Thesis, Nelson Mandela Metropolitan University, 2016. http://hdl.handle.net/10948/4775.
Pełny tekst źródłaPiriyaprakob, Nutthawut. "Scrap compiling : using digital technology to manipulate scraps from construction sites in order to create architecture". Virtual Press, 2006. http://liblink.bsu.edu/uhtbin/catkey/1355597.
Pełny tekst źródłaDepartment of Architecture
Qi, Yidong. "Design and implementation of odd-order wave digital lattice lowpass filters, from specifications to Motorola DSP56307EVM module". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ62827.pdf.
Pełny tekst źródłaSabiu, Christiano G. "Measurements of the higher order clustering statistics of luminous red galaxies in the sloan digital sky survey". Thesis, University of Portsmouth, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515880.
Pełny tekst źródłaNeto, Celso de Carvalho Noronha. "Integração das equações diferenciais do filtro digital de Butterworth mediante algoritmo de quadratura numérica de ordem elevada". Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/18/18134/tde-31052006-155717/.
Pełny tekst źródłaIn this work is presented the development of hermitian algorithm for integration of the Butterworth digital filters differential equations by means of high order numerical one step operators. The Butterworth filters theory is presented based on the Fourier transform. Numerical examples show that the results of the developed hermitian algorithm are more accurate than the usual methods present in the specialized literature, as expected
Nanni, Riccardo <1993>. "Rising China and Internet governance: Multistakeholderism, fragmentation and the Liberal Order in the age of digital sovereignty". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/10371/1/Thesis%20-%20Final_submission_Nanni.pdf.
Pełny tekst źródłaLautenschlaeger, Graziele. "Arte programmata: entre acidente e controle". Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/18/18142/tde-05012011-142656/.
Pełny tekst źródłaThe production processes on contemporary media art (post-1990\'s) are discussed through the second order cybernetics perspective, whose principles study the observer and observed as a circular motion. The research methodology is based on the Grounded Theory. The argument emerges by blending together the theoretical framework on the subject with the information collected through observations, conversations and interviews. The analysis is developed in three chapters, all interrelated exploring the relationships between accident and control in the media art field. In the first chapter the conceptual structure of this artistic production is analyzed. In the second chapter, we explore the relationships that emerge between creative agents during the process, observing such production as a social system being ruled by conversation. In the third chapter, picturing the collective creative experience as means to the construction of knowledge spaces, we apply to the architectural field what we learned about the production process of media art. Our final conclusions bring our perception to the relations between media art and architecture leading to the utopian character of our arguments.
Fischer, Thomas, i sdtom@polyu edu hk. "Designing (tools (for designing (tools for ...))))". RMIT University. Architecture and Design, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080424.160537.
Pełny tekst źródłaDube, Sibusisiwe. "A paradox of the second order digital divide in higher education institutions of developing countries: case of Zimbabwe". Doctoral thesis, Faculty of Commerce, 2021. http://hdl.handle.net/11427/33697.
Pełny tekst źródłaPettersson, Ellen. "Frihet för ordet vi hatar? : En rättsfilosofisk analys av yttrandefrihetens gränser i den digitala tidsåldern". Thesis, Uppsala universitet, Juridiska institutionen, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-444241.
Pełny tekst źródłaMainguy, Yves. "A robust variable order facet model for image data". Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10222009-124949/.
Pełny tekst źródłaCastillo, Gómez Hildebrando, i Santisteban Emily Leonor Ramos. "Propuesta de diseño de un sistema de gestión de órdenes de servicio para reducir los retrasos en la atención de reparación de equipos informáticos a través de un tablero digital". Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/655280.
Pełny tekst źródłaNowadays, companies have business processes that contribute to the fulfillment of their objectives, the most common problems that we can find is the lack of automation, which can generate overwork of their workers. All of the mentioned represents a risk with respect to the quality of life of people due to the increase in stress levels, which as a consequence has an impact on productivity in general, especially in companies that provide customer service. This document details a solution proposal for the service attention process of a company dedicated to provide technical support and repair of computer and communications equipment. Currently, the company has a great demand which has caused it to have problems with the work of its repair services, the main problem of the organization is the delay in the attention of the equipment, which causes discomfort in customers and economic losses for company, it also generates an overload on technical personnel, which can influence the repair process. In this context, the solution will be focused on the development of software that automates the equipment repair service process through the implementation of a web application that emulates a Kanban board, in order to achieve an adequate management of the care of service orders and encourage the collaborative work of technical staff.
Tesis
Baig, Shams Javid Paarmann Larry D. "RC implementation of an audio frequency band fourth-order Chebyshev type II Delta-Sigma analog to digital data converter". Diss., A link to full text of this thesis in SOAR, 2006. http://soar.wichita.edu/dspace/handle/10057/614.
Pełny tekst źródłaUMI Number: 1443931 "December 2006." Title from PDF title page (viewed on Sept. 18, 2007). Thesis adviser: Larry D. Paarmann. Includes bibliographic references (leaves 37-38).
Foreman, Howard K. "Jean Raulin (1443-1515) and the "ideal clergy" a study of clerical reform in early sixteenth century France /". Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=24666.
Pełny tekst źródłaNteka, Makhetsi Flora. "Development and assessment of reduced order power system models". Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1088.
Pełny tekst źródłaThe demand for electrical energy has kept on increasing, thus causing power systems to be more complex and bringing the challenging problems of electrical energy generation, transmission, stability, as well as storage to be examined more thoroughly. With the advent of high-speed computation and the desire to analyze increasingly complex behaviour in power systems, simulation techniques are gaining importance and prevalence. Nevertheless, while simulations of large, interconnected complex power systems are feasible, they remain time-consuming. Moreover, the models and parameters used in simulations are uncertain, due to measurement uncertainty, the need to represent a complex behaviour with low-order models, and the inherent changing nature of the power system. This research explores the use of a model reduction technique and the applications of a Real-Time Digital Simulator (RTDS) to reduce the uncertainty in large-scale complex power system models. The main goal of the research is to develop a reduced order model and to investigate the applications of the RTDS simulator in reduction of large, interconnected power systems models. The first stage of the study is to build and simulate the full model of the power system using the DigSILENT and RTDS simulators. The second phase is to apply model reduction technique to the full model and to determine the parameters in the reduced-order model as well as how the process of reduction increases this model uncertainty. In the third phase the results of the model reduction technique are compared based on the results of the original model - IEEE standard benchmark models has been used. The RTDS was used for comparative purposes. The thesis investigations use a particular model reduction technique as Coherency based Method. Though the method ideas are applicable more generally, a concrete demonstration of its principles is instructive and necessary. Further, while this particular technique is not relevant to every system, it does apply to a broad class of systems and illustrates the salient features of the proposed methodology. The results of the thesis can be used in the development of reduced models of complex power systems, simulation in real-time during power system operation, education at universities, and research. Keywords: IEEE benchmark models, reduced models, Coherency based Method, DigSILENT, RTDS, model uncertainty, power system stability
Hsin-Chi, Chen, i 陳杏綺. "Digital Sorcery of Unfriendly、Cruel and Circulating Ordeal". Thesis, 2006. http://ndltd.ncl.edu.tw/handle/73869264392046612839.
Pełny tekst źródła國立高雄師範大學
視覺傳達設計研究所
95
Life is fragile for most of us. Nihility is the basic condition in the virtual world. The friction and understanding between us、particularly our emotional conflicts and sublimation between friendly and unfriendly feelings can all be relayed in the virtual world. The absolutely truth in the world of indirect contact exists no more. Could we show our feelings from our inner world to a space that is structured by programs and electronics? Could we trust the emotion built in the virtual world? Alternatively、should we be sensitive and keep our observing attitudes to criticism? What emotion should we have when we encounter digital virtual artwork? Should we act as if we are observing a painting or closing our eyes to listen to music? Each reaction proves our Existence in the virtual world. What we need to do is to feel、not to understand. The collected literatures include an interactive feature in the digital world in the genre of 「dissent」 video and audio art. Related art works belong to related fields and cannot be classified、such as e-Literature、visual LSD、SinoLogic Arts、and Spanish COPYFIGHT. These creators are all uncommon artists who often use science and technology to express their feelings. Their exceptional style of advancing humanity can be taken as references for those who love to follow fashionable techniques. This study’s goal is to experiment with visual and sound producing mediums in order to construct feelings of alienation and provoke objective emotions thereby arousing the subjective imagination. The purpose is to improve the Quality of virtual interactive processing. The movement of the mouse will activate a response that will amuse game players. Emotional reactions bring out amusement. If we can abandon our preconceived opinions、forget imagination and only wait and reply to each interaction of joy or pain. We will then be surprised.
Tsai, Charles, i 蔡瑞明. "The Receiver Unit of Order Processing System for Digital,FAX,and Voice Type Orders in Telephone System". Thesis, 1997. http://ndltd.ncl.edu.tw/handle/90901323561864152305.
Pełny tekst źródła國立台灣工業技術學院
管理技術研究所
85
To confront with the rapid change of consumming pattern and characteristics of logistics, the logistic dealers'' management patterns should vary. In orderto operate effectively, to possess the superiority of competitive capacity,the logistic dealers should find out the Critical Success Factors(CSF) as to plan the management strategies. To see the change of the whole logistic envi-ronment and the trend of development conceptually, the establishment of just-in-time information system is very important. According to the assessment andanalysis of various link-patterns of information network, the present studyconsiders that the direct-linked telephone route between the customers andsuppliers can satisfy not only data security and economy of transmittal costbut also the pracitical needs of receipt and management of multiform documen-tation. As order-processing is the key point to access the information flowand order-receiving process is an early step of the order-processing, in thecourse of promotion of enterprise computerization, the importance of auto-mation of order-receiving process can not be ignored. The present study analyzed the commercial transaction process systematically and found thatbesides being had the function of receiving any kinds of orders, the order-receiving system can be given consideration to pre-marketing and post-marketing phases and be worked with MODEM which is provided with digital/FAX/ voice function well, the order-receiving system can therefore be promotedto the marketing center of automation of multi-function. As long as the fullycommon telecommunication network can be emplyed, the communication bridge between customers and suppliers can be established easily, quick-responsecapability to customers'' needs can be provided, and furthermore, the ideal ofcustomer satisfaction can also be achieved early.
Hong, Yu-Shou, i 洪譽碩. "Automatic determination of isochromatic fringe orders in digital photoelasticity". Thesis, 2010. http://ndltd.ncl.edu.tw/handle/25924283985668328845.
Pełny tekst źródła國立臺灣科技大學
機械工程系
98
本研究提出新的自動判讀光彈影像之等色線條紋序的方法。可直接分析不受等傾角影響的光彈影像。此法可分析條紋等寬度或條紋不等寬度的影像,也適用於分析不具零階條紋的光彈影像中。 本實驗使用圓偏光系統截取兩種不同波長的光源的暗場影像,只用兩張影像,配合自行撰寫的程式可自動補償等色線相位差之範圍至0到2π,克服了暗場影像中等色線之相位差受反餘弦函數值域的限制。處理過程配合影像處理技術成功判定出受力的試片與殘留應力試片的等色線條紋序。分析法中,也採用整數條紋序的補償,計算出光彈影像中的相位差並定出條紋序。
Wang, Jin. "Design of even-order complex wave digital filters". 1996. http://hdl.handle.net/1993/19379.
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