Dissertations / Theses on the topic 'Guided gaze'
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Nunez-Varela, Jose Ignacio. "Gaze control for visually guided manipulation." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4444/.
Full textBen, Chikha Houssem. "Impact des gestes de pointage et du regard de l’entraîneur sur la mémorisation d'une scène tactique de basket-ball : Études oculométriques." Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2023. https://ged.uphf.fr/nuxeo/site/esupversions/62b8d414-a45c-4a04-8f10-da43ab0dc578.
Full textPointing gestures and guided gaze are commonly used as bodily cues to enhance visual attention and comprehension in various academic domains. However, their specific effectiveness in the sports context, particularly in teaching basketball tactical patterns, remains relatively unexplored. Therefore, the central objective of this thesis was to examine the impact of pointing gestures and/or guided gaze by the coach on visual attention and memorization of tactical scenes. The key findings revealed significant interactions between the use of these cues and the players' level of expertise, demonstrating an expertise reversal effect. In most experiments conducted, pedagogical methods that were effective for novice players proved to be ineffective or even detrimental for expert players. Consequently, these results emphasize the importance of adapting the use of pointing gestures and guided gaze to accommodate variations in players' expertise level when presenting training materials for basketball game plans and/or phases
Acharya, Vineeth Vadiraj. "Branch Guided Metrics for Functional and Gate-level Testing." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51661.
Full textMaster of Science
Bexander, Cecilia. "The making of a strategy game art guide : A case study." Thesis, Uppsala universitet, Institutionen för speldesign, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-217299.
Full textZhou, Ting. "THE EFFECTS OF FULLY VS. PARTIALLY GUIDED LEARNING ON DECLARATIVE AND PROCEDURAL KNOWLEDGE WITH A DISASTER PREPAREDNESS SERIOUS GAME." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/dissertations/1659.
Full textCao, Lei. "Optimisation de la détection térahertz (THz) par plasmons bidimensionnels (2D) dans des hétérostructures et de la propagation THz dans des guides d’onde planaires." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112014/document.
Full textIn the THz frequency gap between electronics and optics, the development of compact, tunable, less costly and room temperature operating sources, detectors, amplifiers and passive devices is growing. Electronic devices based on two dimensional (2D) plasmons in heterostructures open up the possibility of tunable emission and detection of THz radiation. For short distance THz transmission, the increased radiation loss as well as other types of loss (dielectric and ohmic loss) may handicap the applications of conventional planar waveguides well studied in the microwave band. Reevaluation of their propagation properties and comprehension of the physical nature of each kind of loss are necessary.This work is divided into two main sections. The first part deals with the optimization of THz resonant detection by quasi 2D plasmons-polaritons (PP) in the quantum wells (QW) among four heterostructures: III-V (AlGaN/GaN, InAlN/GaN, AlGaAs/GaAs) and IV-IV (SiGe/Si/SiGe). With the aid of metallic grating coupler, both ANSOFT HFSS and an indigenously developed program are used to investigate quantitatively the influences of structural parameters (grating period, metal strip width and thickness of barrier layer) and natural properties of 2D plasmons (electron concentration and mobility) on the PP resonances (frequency and amplitude) up to 5 THz. Transmission spectra of sample AlGaN/GaN have been measured by Fourier Transform Infrared Spectroscopy (FTIR) in 0.6-1.8 THz for various metal widths and at different temperatures to compare with the simulated results. At last, two types of modulated 2D electron gas in AlGaAs/GaAs are analyzed. One is the natural electron variation below and between metal fingers due to the difference between the barrier height at the interface metal/semiconductor and Fermi level pinning at the interface air/semiconductor. The other type is the forced modulated 2DEG by biasing voltage on metal fingers. These two parametric studies allow us to analyze and tune the frequency and amplitude of the THz detection. The second part separately studies the dispersions and attenuations of four waveguides (CPW, Microstrip, Stripline and Slotline) with the variation of geometric dimensions and properties of dielectric and metal by ANSOFT HFSS and CST MWS. Their performances are compared until 1 THz based on the same characteristic impedance. The advantages and the limitations of each waveguide are outlined and an optimal THz transmission line is proposed. Furthermore, preliminary measured attenuation of CPW in the frequency range 340-500 GHz are demonstrated and compared with numerical results. The design of transitions for adapting experimental probes by HFSS and the de-embedding method for extracting scattering and attenuation parameters of CPW by ADS are also presented
Malthed, Alexander, and Mathias Hjelmqvist. "UI-based, NPC-guided or No Tutorial at All? A Qualitative Study Comparing the Effects of Different Tutorials in the Same Game." Thesis, Södertörns högskola, Medieteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-40578.
Full textEn av de många utmaningarna av spelutveckling är att skapa en effektiv tutorial. Även om en tutorial kan bli designad att instruera på flertalet olika sätt, saknas det kunskap om hur de skiljer sig i deras effektivitet. För att undersöka effektiviteten av tre olika typer av tutorials, utvecklades ett pusslespel i förstapersonsperspektiv med tre versioner. För syftet av en observationsanalys spelades spelsessionerna av fyra deltagare per version (n = 12) in, och deltagarna intervjuades direkt efteråt. Resultatet visar att textinstruktioner var mer effektivt än att använda NPCer som exempel för att visa spelmekanikerna. Saknaden av en tutorial gjorde att deltagarna varierade i deras förståelse av spelets mekaniker, varav några misslyckades helt att lära sig en viktig spelmekanik. En sådan bred variation kan göra det svårt för utvecklare att balansera de senare utmaningarna i spelet.
Wood, Thomas. "Application des techniques d’optique guidée à la détection de gaz." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4321/document.
Full textIn a world suffering from increasing air pollution due to spiraling industrial activity, the detection of toxic gasses in the atmosphere is of paramount importance. The gas detector market is already well developed, and features a wide variety of detection technologies and techniques, each presenting its own set of intrinsic advantages and drawbacks. In this thesis, a combination of two or more technologies typically used independently has been studied in order to improve the global performances of gas detection systems. To this length, we have conceived and studied detector architectures based upon optical transduction systems, coupled with a material presenting a specific sensitivity to the target gas. More precisely, we have for the first time integrated a catalyst designed to accelerate the oxidation rate of chemical species (such as carbon monoxide or hydrogen) with an optical component capable of absorbing the heat generated by the oxidation reaction. The associated increase in temperature is translated to a variation of the optical intensity comprising the exit signal of the detector. The work carried out measuring the chromatic and temperature dispersion of the refractive index of the materials comprising the optical transduction component by guided mode techniques, ellipsometry and photometric techniques is presented. The optical probing of the electrical properties of semiconductor materials has also been studied, including the variations of these properties following interactions with oxidizing, reducing, or combustible gasses
Anderson, Jonathan D. "Semi Autonomous Vehicle Intelligence: Real Time Target Tracking For Vision Guided Autonomous Vehicles." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1750.pdf.
Full textCuong, Phan Viet. "Development of a new surface ion-source and ion guide in the ALTO project." Paris 11, 2009. http://www.theses.fr/2009PA112330.
Full textAt the ALTO project of IPN Orsay, as at many others using the ISOL technique for production of intense and pure radioactive beam (RIB), it is crucial, when short-lived isotopes are produced in thick targets, to realize target and ion-source systems with good release properties and high efficiency. Therefore, R & D studies on target and ion source are very important for optimization of the production, selectivity and release of the isotopes of interest. These studies are also needed towards the future SPIRAL-2 and EURISOL nuclear physics facilities. The present work is dedicated to the production of neutron-rich gallium isotopes by the ISOL thick-target technique using photo-fission and a surface ion source. We aim at the study of the structure 82,83,84Ge50,51,52 via the -decay of 82,83,84Ga51,52,53. By this purpose, we focus on the development of a new surface ion-source made from high working function like Rh and Ir. The code written by C++ has been built to simulate the ionization efficiency of different surface ion-source (different materials and dimensions), the result of which was compared with experimental data from CERN. The code can be used to optimize ion source dimensions in future designs. Also, we have performed a test experiment to measure the ionization efficiency of the Rh and Ir-coated Rh for gallium. On the other hand, for future nuclear structure studies of refractory elements such as cobalt or nickel (atomic number Z=27 and 28 respectively), of which it is expected that they may reveal much interesting structure information, the ISOL technique with a thick target is no longer suitable. Indeed, the high melting point of these elements makes it difficult to volatilize as well as release them from a thick target. For such a situation, a technique based on thin targets is needed and the laser ion guide based on a gas cell to thermalize, neutralize and stop the recoiling nuclear reaction products combined with a laser beam to re-ionize them selectively, seems a good choice. However, in order to know whether the technique is fit for ALTO, we need to answer the question as to what the ionization rate is of the buffer gas by the primary electron beam and secondary charges? In other words, what is the ion-electron pair production rate in the gas cell? This is most important since the ionization rate negatively affects the extraction efficiency of the laser ion guide whenever it becomes bigger than 1010. To answer this question, we built a code based on the Geant-4 toolkit to simulate the ionization of the buffer gas. Furthermore, in a move towards the SPIRAL-2 project at GANIL where fission of 238U will be induced by neutrons produced in a carbon converter from a deuteron beam, we also wrote a Geant-4 code to simulate the production of neutrons, the neutron-induced fission and the energy deposit in a gas cell of similar dimensions as the proposed gas cell for ALTO. We likewise performed a simulation for the gas cell at Leuven to compare with published results
Carr, Nicolas. "“THE GAME DON’T CHANGE”Designing Beats and Rhymes,A metaphor and guide to ideate design concepts." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1428070292.
Full textGuéry-Odelin, David. "REFROIDISSEMENT PAR EVAPORATION D'UN JET D'ATOMES FROIDS GUIDE MAGNETIQUEMENT. DYNAMIQUE DES GAZ D'ATOMES FROIDS PIEGES." Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2005. http://tel.archives-ouvertes.fr/tel-00112221.
Full textscientifiques depuis ma soutenance de thèse. Au cours de cette
période, mon activité de recherche a été double : (i) j'ai pris en
charge une nouvelle expérience visant à produire une source
continue d'ondes de matière cohérentes, et (ii) j'ai développé des
outils analytiques pour cerner la dynamique des gaz d'atomes
froids piégés.
Dans notre projet expérimental, un jet d'atomes froids et lents
mais non dégénéré est couplé à un guide magnétique le long duquel
un refroidissement par évaporation est mis en oeuvre. En d'autres
termes, nous essayons de transposer les aspects temporels du
protocole d'obtention des condensats de Bose Einstein dans le
domaine spatial : dans notre montage les atomes sont
progressivement refroidis grâce à des zones de refroidissement
séparées spatialement. Une telle démarche doit permettre d'obtenir
un flux continu d'atomes condensés. Une source de ce type, dont
les propriétés sont radicalement différentes de celles d'une
source thermique, pourrait constituer un outil de choix pour de
nombreuses expériences. Les horlosges atomiques, les
interféromètres à ondes de matière, l'holographie atomique ou
encore la nanolithographie sont autant de domaines qui peuvent
potentiellement bénéficier d'amélioration par l'usage d'une source
continue et cohérente d'atomes froids.
Dans le premier chapitre, je décris les différentes parties du
dispositif expérimental et les premiers résultats que nous avons
obtenus. Deux sources d'atomes ont été étudiées pour alimenter
efficacement un piège magnéto-optique anisotrope qui sert
d'injecteur d'atomes froids dans le guide magnétique : (i) un
piège magnéto-optique purement bi-dimensionnel avec des faisceaux
de refroidissement d'intensité relativement élevée , et (ii) un
ralentisseur à effet Zeeman placé en sortie d'un four effusif à
recirculation. Cette dernière source a permis de mesurer un taux
de chargement de l'injecteur de $4\times 10^{10}$ atomes par
seconde. Le confinement magnétique dans l'injecteur est assuré par
un gradient de champ magnétique, alors que le lancement exploite
la technique de la mélasse en mouvement. Le guide magnétique, dont
l'entrée est placée à quelques centimètres seulement de
l'injecteur, procure un gradient de confinement élevé sans altérer
aucunement les performances de l'injecteur. Nous avons démontré,
et pour la première fois, l'alimentation en continu d'un guide
magnétique. Pour optimiser le transfert d'atomes, nous avons
étudié différents protocoles de couplage en mode continu comme en
mode pulsé. Les caractéristiques de notre jet atomique guidé sont
désormais les suivantes : un flux de $7\times 10^9$ atomes par
seconde, une température de 400 micro K pour un confinement
transverse de 600 Gauss/cm, et une vitesse moyenne de 1 m/s.
Le deuxième chapitre est dédié à la physique des collisions au
sein du jet d'atomes guidé magnétiquement. Nous présentons tout
d'abord une nouvelle technique spectroscopique de mesure de la
température du jet. Grâce à deux antennes radio-fréquences
disposées le long du guide, nous avons pu mettre le jet dans un
état hors d'équilibre, puis suivre le retour à l'équilibre grâce à
l'antenne placée en aval. Cette expérience montre le phénomène de
thermalisation dans un régime collisionnel dominé par les ondes d.
Dans une deuxième série d'expériences, le jet a été ralenti à une
vitesse de 60 cm/s grâce à une pente appliquée sur la première
partie du guide magnétique. Le taux de collisions relativement
élevé a permis d'amorcer le refroidissement par évaporation forcé.
Une réduction de la température par un facteur 4 a ainsi été
obtenue, correspondant à un gain en densité dans l'espace des
phases d'un ordre de grandeur.
Le dernier chapitre est consacré au développement de méthodes
analytiques pour caractériser la dynamique des gaz piégés. Nous
mis au point essentiellement deux outils. Le premier est la
méthode dite des moyennes. Il a permis d'étudier les oscillations
collectives d'un gaz classique, la mise en rotation d'un gaz par
le biais d'une anisotropie tournante, et la dynamique de
rethermalisation d'un mélange de gaz d'atomes froids. Cet outil a
pu être étendu au cas d'un condensat de Bose Einstein dans le
régime de Thomas-Fermi. Il a ainsi été possible d'étudier le mode
ciseau. Ce mode d'oscillation pendulaire révèle les propriétés de
superfluidité d'un condensat de Bose Einstein. Le deuxième outil
que nous avons développé repose sur des solutions approchées par
changement d'échelle de l'équation de Boltzmann. Nous avons montré
ainsi que les temps de relaxation pertinents pour décrire
l'amortissement des oscillations collectives d'un gaz classique
piégé, et les expériences de temps de vol sont intimement reliés.
Les deux méthodes que nous avons élaborées permettent de décrire
également tous les régimes collisionnels, et en particulier la
transition d'un régime sans collision à un régime hydrodynamique.
L'essentiel de nos prédictions théoriques a été utilisé soit pour
analyser, expliquer ou extraire des informations de données
expérimentales. Les outils que nous avons développés ont par
ailleurs été largement utilisés et adaptés pour traiter des
problèmes connexes de notre communauté.
Smith, Joshua Lee. "When It Hits the Fan: A Public Relations' Practitioners' Guide to Crisis Communication." Digital Archive @ GSU, 2007. http://digitalarchive.gsu.edu/communication_theses/19.
Full textKry, Tobias. "How to develop graphic design for games with low-pixel density." Thesis, Högskolan på Gotland, Institutionen för speldesign, teknik och lärande, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-203236.
Full textCousens, Laura. "The rules of the game, the dominant ideas and beliefs that guide North American professional sport leagues." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0008/NQ59945.pdf.
Full textZanin, Jeferson Lucas. "Na trilha da aventura : contribuições do Role Playing Game (RPG) como um guia didático para o ensino de química." Universidade Federal de Mato Grosso, 2015. http://ri.ufmt.br/handle/1/265.
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Este trabalho apresenta os ganhos e as contribuições do jogo de intepretação de papéis, ou Roleplaying Game (RPG), voltado para o ensino de Química, utilizando o formato de um Guia Didático. Enquanto joga RPG, cada participante representa o papel de uma personagem dentro de uma aventura fantástica. Um dos jogadores assume o papel de mestre do jogo, ou simplesmente mestre, e possui um papel único e especial entre todos do time. É ele que descreve as cenas e segue a trama. Os jogadores então, atuam de acordo com suas personagens, interferindo e construindo a história. Pesquisado no Brasil como ferramenta pedagógica desde a década de 90, Marcatto (1996) e Schmit (2008) apontam o RPG como uma ferramenta pedagógica capaz de desenvolver inúmeras habilidades e competências entre os jogadores. Cavalcanti (2009) relatou êxito da sua utilização na avaliação do conhecimento químico. Com essa base, realizou-se uma pesquisa bibliográfica para criação de um banco de dados dos trabalhos científicos e livros impressos, concomitantemente a uma análise das obras que levantam as contribuições do RPG na educação. Posteriormente, realizou-se uma pesquisa sobre os materiais de RPG e sistemas de jogo gratuitos, assim como conceitos básicos de narrativa e construção de histórias, para elaboração de aventuras pedagógicas que visem a construção de conceitos utilizados na disciplina de Química. O resultado dessa pesquisa indicou que, em sua maioria, os narradores de RPG são os próprios pesquisadores já com certa experiência no jogo, sem relatos de experiências com outros professores assumindo o papel de mestre do jogo. Elaborou-se então, um produto educacional contendo uma aventura, um sistema de regras adaptado e informações sobre a condução de um jogo de RPG para professores de Química leigos no assunto. Após ser submetido a testes, o produto educacional se tornou um Guia Didático, denominado Na Trilha da Aventura: Ensinando e Aprendendo Química com RPG. Ele foi avaliado por jogadores experientes de RPG, integrantes do Programa Institucional de Bolsa de Iniciação à Docência (PIBID) Interdisciplinar em Ciências Naturais e Matemática e professoras formadoras do Centro de Formação e Atualização dos Profissionais da Educação Básica – Cefapro. A avaliação considerou o aspecto técnico, lúdico, didático e pedagógico do Guia Didático. Os resultados da avaliação foram positivos, demonstrando que o material prepara o professor para utilizar o RPG em suas aulas. O Guia Didático ajuda a criar aventuras, fornece subsídios para que o professor leigo sobre RPG possa ensinar os alunos jogando a aventura proposta, permitindo que se inclua outros conceitos de Química e adapte os desafios propostos de acordo com sua realidade.
This paper presents the gains and contributions of a Roleplaying Game (RPG) to chemistry teaching, presented as a Teaching Guide. While playing RPG, each player undertakes a character role in a fantastic adventure. One of the players assumes the role of Game Master (GM), who holds a unique and special role among all in the team. The GM describes the scenes and follows the plot. The players then, act according to their characters, interfering and building up the history. Researched in Brazil as a pedagogical tool since the 90s, Marcatto (1996) e Schmit (2008) point out the RPG as pedagogic capable of develop a number of skills among its players. Cavalcanti (2009) reports success of its use in natural sciences teaching. With this foundation in mind, a research was done over the literature to create a database of scientific papers and physical books, concomitantly to an analysis of the works regarding the contributions of the RPG in teaching. Later on, it was carried out a research on free RPG materials and game systems, as well as basic concepts for storytelling and plot build focused on construction of chemical concepts. The result of this research indicated that major parts of RPG game masters are the researchers themselves, who already has some experience with the game. Then, it was produced an educational product containing an adventure, an adapted system of rules and information concerning how to drive a RPG game for Chemistry teachers who have no experience with the game itself. After undergoing tests, the educational product became a Teaching Guide, called "Na Trilha da Aventura: Ensinando e Aprendendo Química com RPG". It was rated by experienced players of RPGs, members of Programa Institucional de Bolsa de Iniciação à Docência (PIBID) Interdisciplinar em Ciências naturais e Matemática and teachers of the Centro de Formação e Atualização dos Profissionais da Educação Básica – Cefapro. The evaluation found the technical aspect, playful, didactic and pedagogical of the Teaching Guide. The evaluation results were positive, demonstrating that the guide prepares the teacher to use the RPG in his classes. It helps to create your own adventures, provides subsidies so that the teacher who never had experience with RPG may teach the by playing the proposed adventure, allowing the teacher to add other chemistry concepts and adapt the proposed challenges according to their realities.
Manica, Carlo Rossano. "Sistemática para aprimorar ambientes organizacionais direcionados a inovações." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/134911.
Full textDifferentiate themselves in the competitive global market requires companies to be more innovative. Considering that innovations are developed by people interacting in a certain space, it searched for researches about these innovation environments. As the works detected only diagnosed environments and made no proposals for how to improve them, this study aims to fill this gap by proposing a system to improve the innovation environments. In order to achieve this goal, nine dimensions that address these complex environments have been identified through the theoretical search. For each dimension a series of questions was created, culminating in a questionnaire with 40 questions. The questionnaire was answered in a qualitative and quantitative way by 30 innovation developers within five large companies. Based on derived data set, statistical analysis were performed as support for other analysis. In order to perform the analysis it was adopted the Focus Group technique (FG), which was composed of people from the top management of those companies surveyed and foreign teachers. Aiming to assist the conduct of the FG, a game was developed specifically for this purpose. In order to check whether at least two dimensions had significantly different results for the sum of rankings was used the Kruskal-Wallis test. The test result showed that the dimensions Leadership and Autonomy had significantly higher scores than the dimensions Processes and Resources. As an important final part, the method proposes a Guide of Directives, based on the ideas exposed by the studied authors, by the respondents of the questionnaire and the participants of the FG. It is understood that any company can tailor the method and improve organizational environments driven to innovations.
Eliasson, David. "What Level Design Elements Determine Flow? : How Light and Objects Guide the Player in Overwatch and Doom." Thesis, Uppsala universitet, Institutionen för speldesign, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-330519.
Full textI uppsatsen görs en jämförelse mellan Overwatch (2016) och Doom (2016) för att komma fram till hur dessa snabba spel underlättar flödet i spelandet. I kapitel två av uppsatsen ges formella definitioner av flöde och level design för att skapa förutsättningar för förståelsen av följande kapitel. Genom en formell analys undersöks level design i bägge spel för att fastställa vilka element som styr spelarna och håller flödet uppe. Uppsatsen undersöker också hur de ursprungliga designprinciperna, som har sitt ursprung i den äldre shooter genren, har påverkat spelens level design. Författaren använder skärmdumpar från båda spelen, intervjuer med designteam och litteratur om speldesign för studien.Det visade sig att den arkitektoniska utformningen av en level i ett hjältebaserat spel (Overwatch (2016)) skulle kunna styra takten genom att ändra element som möjliggör vissa typer av rörelser, t.ex. klättring eller skapandet av uppsättningar som gynnar ett lag framför det andra. På en individuell spelarnivå hålls flödet uppe med avsiktliga placeringar av ljus och ljusa färger för att styra spelaren. Medan Doom använder olika förmågor och rörelser för sin hjälte, visade sig verktygen för att styra spelaren vara mycket lika men med tyngre fokus på miljömärkningar och ljus. I båda fallen var dessa verktygs utseende utformat för att passa in i spelvärlden utan att bryta spelarens inlevelse.
Cao, Lei. "Optimisation de la détection térahertz (THz) par plasmons bidimensionnels (2D) dans des hétérostructures et de la propagation THz dans des guides d'onde planaires." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00794896.
Full textDahdah, Jean. "Etude théorique et expérimentale de cavités photoniques en niobate de lithium - Application à la détection de gaz." Phd thesis, Université de Franche-Comté, 2010. http://tel.archives-ouvertes.fr/tel-00665911.
Full textEngel, Thierry. "Guide d'ondes pour faisceau laser a co2 de forte puissance : Texte imprimé." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13085.
Full textBriottet, Xavier. "Contribution à la modélisation d'un laser bifréquence submillimétrique." Toulouse, ENSAE, 1986. http://www.theses.fr/1986ESAE0008.
Full textNoblet, Caroline. "Calcul tridimensionnel de la dose absorbée par simulation Monte Carlo GATE pour la radiothérapie guidée par l'image dédiée au petit animal." Nantes, 2014. https://archive.bu.univ-nantes.fr/pollux/show/show?id=33b2f3ad-6626-4163-a046-7b76a14c590d.
Full textInnovating irradiators dedicated to small animal allow to mimic clinical treatments in image-guided radiation therapy. Clinical practice is scaled down to the small animal by reducing beam dimensions (from cm to mm) and energy (from MeV to keV). Millimeter medium energy beams (<300keV) are used to treat animals. This scaling induces higher constraints than in clinical practice especially for absorbed dose calculation in animals. Due to the beam dimensions and the medium energy range, clinical dose calculation methods are not easily applicable to the preclinical practice. Monte Carlo methods are needed. To this aim, a Monte Carlo model of the XRAD225Cx preclinical irradiator has been developed with the GATE (Geant4) framework. This model was validated by comparing simulation results against measurements and results obtained with a reference Monte Carlo code in external beam radiation therapy, EGSnrc. A specific issue has been highlighted: the significant dosimetric impact of tissue segmentation in the animal CT images. Indeed, at medium energy range, thresholding based on electronic density cannot accurately take into account the heterogeneities. Materials should be defined using both the tissue elemental composition and the mass density. An original segmentation method has been developed to obtain realistic dose distributions in small animals. Finally, our Monte Carlo platform has been successfully used for several radiobiological studies with mice and rats
Berio, Stéphan. "Développement de coupleurs à la fréquence hybride pour la génération non inductive du courant dans un Tokamak." Aix-Marseille 3, 1996. http://www.theses.fr/1996AIX30084.
Full textDe, Prunelé Alexis. "Dynamics of gas hydrate-bearing pockmarks : learnings from two cases studies from the Gulf of Guinea." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0017/document.
Full textThe present work describes the dynamics of two pockmark areas, off West Africa. The intention is to propose two different approaches to study the relationships between fluid migration and pockmarks. The first investigated area corresponds to a pockmark cluster called Preowei, located off Nigeria. Geochemical analyses and modeling were combined with seismic data to detail the hydrocarbon migration pattern at this area, with implication on both the pockmark formation and the evolution of their morphology. The proposed interpretation seeks to identify the conceptual bases of pockmark evolution over time at this area. It is argued that the cluster has been active for at least 2700 years, and it is still at the stage of hydrate formation for some pockmarks and carbonate formation for other. The second investigated pockmark, called Regab, is located off Gabon. It is a giant pockmark of 800-m diameter, characterized by an ecosystem rich in fauna, with a large variety of living species. The main core of the work done on this pockmark was focused on finding a link between the fluid chemistry and the spatial distribution of the living communities which populate it. This was achieved by combining new geochemical and bathymetric results with a well-compiled dataset from the literature
Fohr, François. "Application des propriétés de la propagation acoustique guidée avec écoulement à la mesure de la vitesse de débit dans une conduite." Poitiers, 1996. http://www.theses.fr/1996POIT2315.
Full textJacqmin, Thibaut. "Mesures de corrélations dans un gaz de bosons unidimensionnel sur puce." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00779447.
Full textCourtois, Loys. "Détermination de modes électromagnétiques de guides d'ondes corrugués surdimensionnés sur l'installation de chauffage des électrons du Tokamak Tore Supra." Grenoble INPG, 2001. http://www.theses.fr/2001INPG0013.
Full textKuechenmeister, Bobby James. "Answering the Call of Duty: Composition Pedagogy Problems, Multimodal Solutions, and Gaming Literacies." Bowling Green State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1308242965.
Full textRizzati, Valentina. "The development stories of equatorial Guinea and Botswana : a game theory model of how public-private partnerships can turn resources from a curse into a blessing." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/80684.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 104-116).
The growth acceleration episodes characterizing Botswana and Equatorial Guinea were based on the respective discoveries of diamonds and oil. However, while Botswana, already characterized by inclusive and democratic institutions, succeeded in transferring much of the benefits deriving from the natural resource to society, Equatorial Guinea's corrupt government retained all the oil-generated wealth and prevented the population's standard of living from improving at a pace proportional to the country's growth. The two countries also differ in terms of their vulnerability to the "resource curse" phenomenon, due to their unequal level of economic diversification both within the major natural resource sector and across several industries. This Thesis firstly adopts a deep analytical approach to compare the two countries' development records and to understand the discrepancy in the quality of the two growth acceleration episodes. The second main contribution of this study consists in the analysis of the potential benefits resulting from the implementation of Public-Private Partnerships in the developing world. The methodology applied in the last section derives from Game Theory, a branch of Economics increasingly adopted in applications to real-world circumstances. In this specific case, the results of this coordination exercise between public and private parties will present very different implications for a democratic country as Botswana and for a corrupt one as Equatorial Guinea.
by Valentina Rizzati.
S.M.
Ivarsson, Viva, and Linus Johansson. "Talking Through Symbols : The Relationship Between Player, Symbols and Their Meaning." Thesis, Uppsala universitet, Institutionen för speldesign, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-255241.
Full textPresently the video game industry uses a number of methods to lead the players though the games such as colours, lights and shapes. This thesis focuses on shapes and tries to answer the question: In choosing between basic symbols is there a particular symbol that players prefer tofollow and what do they associate with that symbol? In order to answer this question we created an experiment in which we tested how test subjects respond to three primitive shapes, triangles, circles and squares. The experiment consisted of a corridor with a door in one end, acting as the controls tutorial, and a room with three doors which was the actual experiment. Our test shows that there is not a certain symbol that the test subjects prefer to follow, but that the associations to the symbols seem to be true in comparison to earlier made studies on what these symbols are viewed to represent. This points at the possibility that the symbols can be used in game design to convey messages to the players and be used to guide the players in new environments.
Vu, Thi Mai. "Etude des couches minces du système ternaire Ge-Se-Te et fabrication de composants d'optique intégrée IR, briques de base de micro-capteurs optiques de gaz." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20098/document.
Full textIn a context where the needs for gas sensors are increasingly important, especially for environmental metrology, it is proposed in this work to achieve straight waveguides, spirals, Y-junctions, ..., elements essential for the fabrication of infrared optical micro-sensors. The realization of these elements, by stacking and etching of amorphous thin films from the Ge-Se-Te ternary system, first required the study of this system. Ge-Se-Te thin films of very different compositions were deposited by thermal co-evaporation and characterized in terms of uniformity, thermal stability, optical band gap and refractive index. The evolution of the film properties with the composition was then used to highlight a particularly attractive area of compositions in the Ge-Se-Te system: in this domain, corresponding to compositions rich in Se (more than 55 atomic %) and containing between 20 and 30 atomic % in Ge, the layers are indeed single-phase, characterized by high glass transition temperatures, high thermal stability, and a transparency window extending from 1 to about 16 microns. In this composition region, two of them were selected, Ge25Te10Se65 and Ge25Te20Se55, and used to realize different integrated optics circuits. The simplest elements, which are channel waveguides, were made by depositing successively two layers (Ge25Te10Se65 then Ge25Te20Se55) on a silicon substrate, and then by modifying the geometry of the higher refractive index top layer by ion beam etching, so as to obtain a two-dimensional confinement of light. Propagation losses of these straight waveguides were estimated at 1 dB.cm-1 at the 1.55 µm wavelength. Other more complex elements were then fabricated: S-bent waveguides for which the guiding properties were obtained whatever the curvature radius, operational spiral waveguides, Y-junctions able of a satisfactory division of the light intensity, and Mach-Zehnder interferometers at the output of which the light was successfully recombined
Duthoit, François-Xavier. "Physique néoclassique pour la génération de courant dans les plasmas de tokamaks." Phd thesis, Ecole Polytechnique X, 2012. http://pastel.archives-ouvertes.fr/pastel-00708795.
Full textPolizzi, Eric. "Modélisation et simulations numériques du transport quantique balistique dans les nanostructures semi-conductrices." Toulouse, INSA, 2001. http://www.theses.fr/2001ISAT0023.
Full textThis thesis is concerned with the modeling and numerical simulations of ballistic quantum transport in multidimensionnal open devices. The simulation is performed by solving self-consistently the Schrödinger equation (for electrons) and Poisson equation (for space charge effects). To account for injection phenmona, open boundary conditions are prescribed for the Schrödinger equations. In the case of the three dimensional electron waveguide devices such as T-stubs and quantum couplers, we show the importance of quantum effects in the active region. Moreover, a quasi-three dimensional model for these open heterostructures is proposed. The derivation of the model relies on the strong confinement of the electrons at the heterojunction which allows to split the three dimensional Schr\"odinger equation into a one Schrödinger equation for the confined direction and a two dimensional Schrödinger equation in the transport direction. The space charge effects are taken into account in a three dimensional framework. Numerical simulations of open split gate devices are used to illustrate the accuracy of the quasi-3D model versus the fully 3D model with much less numerical effort. The quasi-3D is used to show the importance of the non linear current voltage characteristics. The last part of the thesis deals with the bidimensional quantum model of the nanoscale MOSFET and shows some first results about the confinement of the electrons in the channel. Finally, the 3D code NESSIE which was developped during this thesis, is a tool which could be used to study a wide range of characteristics (current-voltage, temperature effects, conductance quantization effects\dots) of many open quantum structures
Rosenkrantz, Eric. "Conception et tests d’un capteur ultrasonore dédié à la mesure de la pression et de la composition des gaz de fission dans les crayons combustibles." Montpellier 2, 2007. http://www.theses.fr/2007MON20247.
Full textBeauvais, Romain. "Effets non linéaires acoustiques et couplages fluide-structure dans les guides d’ondes : application à des conduites de compresseurs alternatifs." Thesis, Le Mans, 2019. http://www.theses.fr/2019LEMA1015.
Full textIn the oil, chemical and gas industries, the manufacturing processes induce the use of pipelines subjected to gases at high pressure and temperature. The gas is transported by reciprocating compressors connected to these pipelines, whose normal operation generates the propagation of acoustic waves causing structural vibrations by coupling between the gas column and the piping system. Understanding the behavior and controlling the level of these vibrations is a major challenge because of their impact on the safety of the installations. However, the increase in the rotational speeds of new compressors has accentuated the generation of non-linear acoustic phenomena that can occur locally at section discontinuities (orifice, expansiona areas) or along the propagation in long pipes. A one-dimensional numerical model of non-linear propagation in a pipe network with cross-section discontinuities is developed in the time domain. This model is based on the choice of a FDTD (Finite Difference Time Domain) scheme adapted to weakly non-linear propagation with viscothermic losses in wave guides.In the meantime, a study is carried out on the vibroacoustic coupling between the fluid and a bent pipe. The propagation of plane acoustical waves generates the appearance of localized forces at the bends of a pipe. Vibrations are then induced by the unbalancing of these forces. The measurement of modal parameters (mode shapes, frequency and damping) is carried out by means of vibration tests at strategic points on the pipe. Then an inverse method is proposed in order to estimate the internal pressure field, based on non-intrusive acceleration measurements
Taleb, Farah. "Etude du comportement mécanique de sédiments argileux contenant des hydrates de gaz à partir de mesures in situ Hydromechanical properties of gas hydrate‐bearing fine sediments from in situ testing, in Journal of Geophysical Research: Solid Earth 123(11), November 2018." Thesis, Brest, 2019. http://www.theses.fr/2019BRES0114.
Full textGas hydrates (GH) are composed of gas molecules, often methane, trapped in a lattice of hydrogen-bonded water molecule. They are found in sediments of continental margins and permafrost, lakes and inland seas, where their stability conditions (high pressure and low temperature) are met. GH are considered as a potential energy resource but furthermore as a potential submarine geohazard and source of greenhouse gases. It is essential to understand the consequences of the presence of these metastable components on the geo-mechanical properties of their host sediment (GHBS). Ifremer has conducted several oceanographic campaigns aiming to assess such geohazard in an area of the deep-water Niger Delta, characterised by hydrates which formed in high gas flux environments in clayey sediment. The database is composed of in-situ acoustic, geotechnical, pore-pressure dissipation measurements, as well as cores and seismic profiles.The PhD work exploited the dataset with the aim of understanding the effect of GH content, morphology and distribution on the mechanical and hydraulic properties of the GHBS. This rare field study revealed that marine GH-bearing clays have a contractive behaviour upon shearing, which contrasts with the dilative behaviour of sandy GHBS often discussed in litterature. Alternatively, different morphologies of GH have been linked with different features of the mechanical behaviour of GHBS. For high GH saturtion (> 10%), the hydraulic diffusivity of the GHBS was observed to increase with increasing GH content, which was linked to fractures or decrease in compressibility. A new simple constitutive model based on “equivalent skeleton void ratio” was used in order to simulate the mechanical behaviour of GHBS.Preliminary results show that only one additional parameter related to the morphology of hydrate is necessary to correctly simulate the mechanical behaviour of GHBS
Atig, Mérouane. "Non-linéarité acoustique localisée à l'extrémité ouverte d'un tube. Mesure, modélisation et application aux instruments à vent." Phd thesis, Université du Maine, 2004. http://tel.archives-ouvertes.fr/tel-00009283.
Full textDans une première partie, des mesures de l'impédance terminale réalisées à l'aide d'une méthode à deux microphones montrent que les pertes à la sortie du tube - partie réelle de l'impédance terminale dans le cadre de l'approximation du premier harmonique - augmentent avec l'amplitude de la vitesse acoustique. Les résultats montrent que l'importance de ces pertes dépend fortement du rayon de courbure des bords intérieurs à la sortie de tube. En outre, pour les faibles rayons de courbure, deux régimes sont mis en évidence. L'existence de ces deux régimes est confirmée par des observations utilisant la vélocimétrie par imagerie de particules (PIV) réalisées en collaboration avec l'Université d'Edimbourg : dans les deux cas un anneau tourbillonnaire est formé à la sortie du tube mais dans le cas du premier régime (faibles vitesses acoustiques) l'anneau reste accroché aux bords du tube alors que dans le cas du second régime (fortes vitesses acoustiques) il est expulsé.
La seconde partie concerne la modélisation du phénomène dans le but de mieux comprendre les mécanismes physiques mis en jeu. La théorie du bruit tourbillonnaire (``vortex sound theory'') est appliquée afin d'estimer directement les pertes à la sortie du tube. Trois calculs utilisant cette théorie sont menés : le premier, analytique, sur la base d'un unique anneau tourbillonnaire fixe ou mobile, le second à partir des mesures par PIV et le troisième par la méthode numérique dite des réseaux de Boltzmann. Les trois calculs conduisent à des résultats similaires qui démontrent que les pertes non linéaires trouvent leur origine dans la formation d'anneaux tourbillonnaires en sortie de tube. Ces résultats sont confrontés avec succès aux résultats issus des mesures d'impédance.
La troisième partie analyse les conséquences que peuvent avoir les pertes non linéaires dans le fonctionnement d'un instrument de musique à trous latéraux. Il est montré expérimentalement et à l'aide de simulations numériques que la dynamique de jeu d'un instrument à vent dépend directement des pertes dans l'instrument et que cette dynamique peut être étendue lorsque les pertes à la sortie sont minimisées par exemple en chanfreinant les bords des trous latéraux.
Zhang, Xin. "Four-Character Idioms in Advanced Spoken Chinese: Perception and Reaction of Native Speakers and A Pedagogy of C2 Expectations." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471797737.
Full textAndersson, Erika, and Amanda Norman. "Förtroende och tillit i World of Warcraft : En studie utifrån WoW-användares perspektiv." Thesis, Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-32023.
Full textThis study will show different interactions that a user needs to adjust in order to find and create trust within a guild in the game World of Warcraft. The aim of this study is to see if these interactions are used in different ways depending on which guild a user is a member in. The study is based on three different guilds and a few WoW-users perspectives, experiences and thoughts. The main methods in this study is based on qualitative methods that includes surveys, scenarios, observation and semi-structured interviews. The analysis has been based on two theories, social capital theory and the flow theory. This study has also examined how the design and features of WoW can affect a user's interactions, both in and outside the game.
De, guillebon de resnes Loic. "Réductions hamiltoniennes en physique des plasmas autour de la gyrocinétique intrinsèque." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4038.
Full textGyrokinetics is a key model for plasma micro-turbulence. It still suffers from several issues, which could imply to reconsider the equations. This thesis dissertation clarifies three of them. First, one of the coordinates caused questions, both from a physical and from a mathematical point of view; a suitable constrained coordinate is introduced, which removes the issues from the theory and explains the intrinsic structures underlying the questions. Second, explicit induction relations are obtained to go arbitrary order in the perturbative expansion. Third, using the Hamiltonian structure of the dynamics, the coupling between the plasma and the electromagnetic field is implemented in a more appropriate way, with strong consequences on the gyrokinetic equations. Several other results are obtained, for instance about the origin of the guiding-center adiabatic invariant, about a very efficient minimal guiding-center transformation, or about an intermediate Hamiltonian model between Vlasov-Maxwell and gyrokinetics, where the characteristics include both the slow guiding-center dynamics and the fast gyro-angle dynamics. In addition, various reduction methods are used, introduced or developed, e.g. a Lie-transform of the equations of motion, a litfing method to transfer particle reductions to the corresponding Hamiltonian field dynamics, or a truncation method related both to Dirac's theory of constraints and to projections onto Lie-subalgebras. Besides gyrokinetics, this is useful to clarify other Hamiltonian reductions in plasma physics, e.g. for incompressible or electrostatic dynamics, for magnetohydrodynamics, or for fluid closures including moments of order two
Bréant, Christian. "Développement de lasers infrarouges accordables de haute pureté spectrale : application à la spectroscopie hyperfine des molécules HF et SF(6)." Paris 13, 1985. http://www.theses.fr/1985PA132010.
Full textYang, Chih-Chin, and 楊智欽. "Eye Gaze-Guided Matching and Reconstruction of 3-D Model." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/04880462915407540341.
Full text國立暨南國際大學
資訊工程學系
91
Photo-realistic reconstruction of a 3-D architecture scene has been a very important research topic in the field of computer vision. 3-D reconstruction techniques are emerging to many applications of millitary, recreation, and commercial applications. Among all the 3-D reconstruction techniques, stereo vision has been considered to be the most important one. However, because the stereo correspondence problem is still an open question, it is inevitable to use interactive methods to solve for the stereo correspondence problem. In this work, a novel stereo interface is developed specifically for interactive 3-D reconstruction. The stereo interface consists of a gaze tracking module, an eye-gaze guided 3-D reconstruction module, and a graphical user interface. The eye-gaze guided 3-D reconstruction module will be described in detail in this thesis. In order to reconstruct a 3-D architecture with uncalibrated images, a camera self-calibration method is implemented to compute the camera parameters of the uncalibrated stereo images. The architecture reconstruction problem is divided into many sub-problems of reconstructing building blocks such as cuboids, roofs, cylinders, and spheres. The operator selects proper building blocks according to the stereo images of a architecture to reconstruct its 3-D model. To obtain the parameters of a building block, the gaze tracker records the trajectories of the binocular fixation points of the operator while the operator stares at several feature points on the surface of the building block. Then, the system automatically compute the stereo correspondences based on the binocular trajectories of the fixation points of the operator. Once the stereo correspondences are computed, 3-D coordinates of the feature points can be evaluated using the stereo triangulation technique. The parameters of each surface of the building block can then be estimated using the RANSAC algorithm. Experimental results show that the eye-gaze guided 3-D reconstruction module is very promising.
Lin, Yi-Tseng, and 林易增. "An Eye-gaze Guided P300 Brain Computer Interface and Its Wheelchair Control Applications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/92272253688306858797.
Full text國立臺灣科技大學
醫學工程研究所
104
This thesis proposes an eye-gaze guided P300 brain computer interface (BCI) which is used for wheelchair control applications. BCIs provided promising solutions for the disabled to control their wheelchairs. The conventional visual stimulus control panels are generally attached to the place below the users’ eye-gaze. Because users need to pay attention to the environment in front of the wheelchair and visual stimulus control panel simultaneously, it is not intuitive for users when they tried to control the wheelchair based on conventional visual stimulus BCI approaches. In order to tackle the disadvantage of the control panel, a translucent user interactive visual stimulus panel is set up in front of the wheelchair. The place of P300 flickers can be adjusted by eye-gaze guided approach synchronously. According to users’ electrooculography (EOG) collection, the projected field can be defined as three districts including left, middle and right area. In this research, a micro projector is utilized to produce flashing visual stimuli on the display board which is 35cm away from the user. To improve the information transfer rate (ITR), a spatial filter based on Canonical Correlation Analysis (CCA) and Support Vector Machine (SVM) were also applied to this work to improve the performance of BCI classification. The result of experiments showed that the proposed BCI is with 88.2% in accuracy and 22.97 bits/min information transfer rate in average received from ten subjects. In ground truth experiments of wheelchair control, the root mean squared error (RMSE) of eye-gaze guided P300 BCI are 7.4cm and 10.41cm in “U” and “S” trajectories which were less than the result of non-eye-gaze guided BCI with 12.11cm and 15.29cm.
Roy, Kaushik. "Recognition of Nonideal Iris Images Using Shape Guided Approach and Game Theory." Thesis, 2011. http://spectrum.library.concordia.ca/7345/1/Roy_PhD_S2011.pdf.
Full textTan, Chuan-Yao, and 譚傳耀. "A Circuit-Topology-Guided Discrete Gate Sizing Framework Considering Leakage Power Reduction." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/64986749298884156305.
Full text國立交通大學
電子研究所
101
Gate sizing is a classic problem in the field of electronic design automation (EDA), and has been extensively studied for several decades. However, in the modern era, it is desired to have designs with both high performance and low power consumption. When dealing with modern industrial designs, prior academic approaches may face various new challenges. In this thesis, we analyze the problem by examining the impact of circuit topology in timing optimization, and propose a graph-based representation to analyze timing dependencies caused by circuit topological relationship. Through the application of segment dependency graph, we propose a gate sizing framework which exploits circuit topological relationship. Experiments conducted with the ISPD Contest 2012 benchmarks achieve the third best average ranking compared with the top five contestants in the ISPD 2012 Discrete Gate Sizing Contest.
GAO, GUANG-YU, and 高光宇. "Optimal filght control in linearized evasive game against a proportional guided pursuer." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/22090113740002037503.
Full textSU, SHU-CHEN, and 蘇淑真. "Research on the Successful Factors of Using Board Game in Guided Teaching." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/37xew7.
Full text育達科技大學
資訊管理所
106
In recent years, the improvement of national quality, more and more citizen pays attention to leisure activities. In addition to busy work, people will take advantage of leisure activities to relax. Because the activities not only help people to relieve pressure, but also reduce the problem of old age dementia. In the real life, the game is the best leisure activities. Various teaching methods are produced in response to the upcoming “-12- Year Basic Education” policy. Many teachers begin to think about what kind of teaching method is the best strategy. Based on taking learners as the center, they can learn the ability to solve problems and the knowledge using the games in this study. The method of literature induction was adopted to draft the factors of applying board game in guiding the teaching method, the Analytic Hierarchy was determined by the modified Delphin Method (MDM), and then the relative weights of the success factors were calculated by the Analytic Hierarchy Process in this study. The empirical results show that “teaching applications” are the most significant indicators for the three main criteria, followed by “learning effectiveness”, and the lowest weight is “teaching design”. In terms of thirteen sub criteria, “life language”, “time factor” and “key learning” are the most significant factors. This also reflects the “life language” is the primary consideration. According to the research results, this study can better grasp the thinking of the applying board games in guided teaching methods, provide successful application of teaching strategies, more precise teaching planning, design direction, and also serve as different multi-teaching in the future. Besides, it can also provide a reference to future researches which focus on teaching applications for the teachers.
Lin, Huang-Pin, and 林皇賓. "Optimizal Design of the Gate for Ultra Thin Light Guide Plat." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/75248909621121530061.
Full text國立高雄應用科技大學
模具系碩士在職專班
101
As light guide plates (LGP) are being developed nowadays, the dominant trend is to make them as thin and light as possible. Therefore, in the process of injection molding, such stringent conditions as much higher speed and pressure must be adopted to achieve smooth molding. However, high speed and high pressure produce negative effects, such as high directionality, high stress, and high shear, which are the main factors responsible for warpage of an LGP. Thus, the design of optimal gates becomes more important. With the appropriate gate, there will be a lot of advantages. Specifically, the distribution of pressure, temperature, stress, and directionality can be effectively regulated during high-speed, high-pressure injection. In addition, injection pressure, flow length to thickness ratio (L/T), shear stress, and clamping force can be reduced, with packing pressure evenly transferred. In this study, the authors investigated three kinds of medium-sized or small-sized ultra-thin LGP currently predominant in the market (5-inch, 9-inch, and 15-inch samples respectively). The gates in them belong to the fan-plus-film type. Thereafter, the Moldflow software in combination with orthogonal array experiments was employed to explore the optimized gate designs for various LGP and to identify the optimal gate sizes. The molding plastic selected was a kind of optical-grade acrylic, i.e., polymethyl methacrylate (PMMA). As shown by the results, the optimized gate sizes of the three LGP show a consistent trend. Moreover, the main influential factors are A (the film-like gate width) and D (the standard runner diameter). As warpage recognition was conducted, it was discovered that the shrinkage difference between the gate and the finished product is the main cause of warpage. If the packing curve is properly adjusted to reduce the above-mentioned shrinkage difference, occurrences of warpage will be significantly reduced. Keywords: LGP, gate design, injection molding, Taguchi methods, mold flow analysis
Lee, Hsin-Yi, and 李欣怡. "Guided by Mosston: An Analysis of Teaching “Young Gardeners’ Tree-Planting” in Cloud Gate Dance School." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/rm7fsv.
Full text國立臺北藝術大學
舞蹈理論研究所
98
As a dance teacher in Cloud Gate Dance School for more than 8 years, the researcher is interested in how to apply various teaching strategies, especially through guiding process, to enhance teaching skills for children’s dance. The purpose of this study is to investigate various guiding approaches in teaching Life Pulse curriculum in Cloud Gate Dance School, and by using Mosston’s teaching strategies specifically the Guided Discovery Style as a compasion to examine 15 teachers’ teaching in “Young Gardeners’ Tree-Planting” of Life Pulse curriculum to see if there are any similarities or differences. Through reviewing Mosston’s theory and related research, class observation, videotaping, and interview, the research shows some results in the following: 1.Various instructive teaching strategies are adopted in the Level one to four of Life Pulse curriculum. Average 4-8 different strategies are used for each level. The different guiding approaches are applied according to teaching content, teacher’s character, and student’s ability. However, using more guiding approaches within one lesson does not necessarily lead to higher teaching efficiency. 2.Experienced teacher’s performance does not demonstrate better teaching quality. However, while guiding student’s dancing, there are similar oral techniques among teachers. For example, teachers would like to question and get the answers from students first and then to guide them to explore body experience; teachers prefer constructing a teaching scene to building up a concept; teachers pave a similar guiding process and like to repeat questions and so on. 3.While dance teachers questioning, their guiding process and reasonable arrangement are compatible with Mosston’s Guided Discovery Style, although all teachers are not familiar with Mosston’s theory. Based on the above-mentioned, the researcher submits some suggestions as follows: 1.In order to achieve the ideal of integrating theory with practice, Cloud Gate Dance School may introduce and bring in more teaching strategies and methods for teacher’s training program. 2.Teachers for Level one to four of Life Pulse curriculum in Cloud Gate Dance School should stimulate students to have more physical responses. Teachers must be very careful when facilitating students’ body exploration including guiding questions, shaping a creative scene, time controlling, and the ability to differentiate between virtual and realistic worlds. 3.It is very important for teachers to understand students’ mental and physical status besides clearly knowing teaching objectives and intension. In addition, teachers must well use possible methods and valuable resource, and guide students to be more creative. 4.The scope of the research can be further expanded and explored in terms of different lesson plans, curriculum level, and student’s age and so on. Different strategies in Mosston’s Teaching Spectrum also can be studied further and applied to various curricula in the future.