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Dead Reckoning i bilspelJansson, Joel January 2008 (has links)
Denna rapport handlar om dead reckoning i bilspel. En rad nätverkstekniker tas upp grundligt, och fem olika versioner av dead reckoning implementeras, provkörs och utvärderas. En nätverkssimulator har skapats för att provköra algoritmerna i och datan från dessa provkörningar ligger till grunden för en analys av de olika implementationerna. De testas bland annat mot konsistens och bandbreddsåtgång. SimBins GTR Evolution har använts för att spela in loppen, och rapporten inriktar sig på hur dead reckoning fungerar i detta spel.
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The Apocalypse Narrative and the Internet: Divided Relationships in New NaturesBenadum, Brooks Scott 15 November 2016 (has links)
This project proposes that one factor of growing societal interest in the apocalypse narrative is rooted in these stories reflection on our new landscape of telecommunication flows embodied in the Internet. The apocalypse narrative has steadily been growing in popularity, and many academics have offered potential explanations. While other analyses predominately focus on the actual apocalyptic event itself as representative of various societal fears, this project aims to focus on aspects of how we adapt to being in the new apocalyptic landscape, and how this reflects on our own adaptation to being in the new landscape of the Internet. This project takes the work of Martin Heidegger as its primary theoretical lens in an examination of the popular television series The Walking Dead and the Internet streaming service Netflix. This project finds that both the apocalyptic landscape and the new landscape of the Internet throw us into decentered worlds where it is easy to be alienated from one another. Alleviation of our anxieties brought on by these strange landscapes lies in our recognition of being-towards-others in the world and engaging in acts of community building. However, a greater – more global – sense of community is frequently subverted by the way relationships are revealed by technology as divisive.
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Dead and still grateful: deriving mechanisms of social cohesion from deadhead cultureSmith, Stacy L. January 1900 (has links)
Doctor of Philosophy / Department of Sociology, Anthropology, and Social Work / L. Frank Weyher / Deadheads (fans of the Grateful Dead) created a durable culture that has lasted for over 50 years despite the death of several band members and the break-up of the band in 1995. What mechanisms account for the rise and persistence of this culture? This empirical question informs a theoretical question: what mechanisms are responsible for social cohesion? Social cohesion has been widely studied in sociology, but because these studies range from sovereign states to interpersonal interaction, the field lacks definitional consensus for the term. Instead of focusing on definitions, therefore, this study instead seeks to contribute to the understanding of underlying mechanisms that are responsible for the development and maintenance of social cohesion. This study employs a mixture of qualitative methods: I conducted seven years of face-to-face and online participant observation, conducted 22 semi-structured, informal face-to-face interviews with 39 interviewees, and collected 86 online, long-form surveys (combined n=125). This study uses both inductive and deductive approaches to analyze material gathered from a mixture of qualitative methods: ethnography, open and closed coding of interviews and surveys, and triangulation to the body of historical work on the Grateful Dead. The mechanisms that emerged from this study suggest that processes related to ritual, religion, and identity, all operating through emotion, are central mechanisms in the longtime cohesion evidenced in the deadhead community. Fan behavior at Grateful Dead shows is reminiscent of Durkheim’s description of tribal behavior in The Elementary Forms of Religious Life, and my research shows that fans create collective effervescence, sacred objects, and feel that they are part of something larger than themselves. Randall Collins builds on Durkheim in his theory of Interaction Ritual Chains, which informs the ways in which deadheads, through engaging collectively in intense rituals, create a long-term sense of community. Finally, I explore the structural symbolic interactionist school of identity theory with Stryker, McCall and Simmons, and Burke. When combined, these theories describe influences on deadhead group composition, explore the complex interaction between the individual and the group, and emphasize the role that emotion plays in that identity-work. Using an inductive approach and Hedström and Swedberg’s (1996) typology of mechanisms, I arrive at a number of mechanisms at work in deadhead cohesion: (1) situational (macro-level) mechanisms include internal and external constraint; (2) individual action (micro-level) mechanisms include self-transcendence, self-reinforcement, and self-talk; and (3) transformational (micro-level to macro-level) mechanisms include group maintenance and disruption. Future work should test these mechanisms using a group that shares characteristics with deadhead culture (such as transience, emergence, boundedness, motivation, and with little official structure) such as the grassroots political movement that emerged after the November 2017 national election, as well as hate groups that have existed for years but have recently become more active. Looking forward, more work is needed on meaning-making and the role of emotions in social cohesion. This work has implications for several sociological disciplines, such as group behavior, social movements, and culture, as well as social cohesion, religion, ritual, and identity theory.
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The balance of probability : a statistically based analysis of the linguistic character of the 'biblical' Dead Sea ScrollsJacobs, Jarod Trevor January 2015 (has links)
The linguistic character of the “biblical” Dead Sea Scrolls has been of interest to scholars since the very beginning of scrolls research. However, scholars have disagreed over the nature of the language found in those scrolls. Some argue that the “biblical” scrolls are essential to our understanding of Second Temple Hebrew, while others set these scrolls aside in favour of the non-biblical texts. Yet, no one has undertaken a comprehensive analysis of the “biblical” scrolls, which is essential if we hope to settle this debate. This study fills that void by providing a comprehensive analysis of all the “biblical” DSS. Over forty different features are discussed through a comparison between the “biblical” scrolls and the other major witnesses to the Hebrew Bible. Current linguistic theories, including robust inferential statistical tools, are utilised within the analysis in order to provide conclusions based on sound methodology. This study begins with a global analysis of all the “biblical” scrolls, focusing on a comparison between the plene and defective manuscripts. Through that analysis, this study concludes that there are very few linguistic modernisations found in the “biblical” scrolls. In order to verify this conclusion, five individual scrolls are analysed. Finally, this study closes by providing a qualitative analysis of the “biblical” scrolls and shows their linguistic character to be most consistent with a scribal culture of linguistic stability and textual authority.
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Dead reckoning using trigonometry in a dual robot systemGülseven, Metin, Davidsson, Viktor January 2017 (has links)
In this thesis fundamental pieces of multi robot systems have been discussed and researched, in order to develop and build a system with easily obtainable electronics and to answer how much communication is needed as well as which design choices are important to make it robust. Our work will hopefully contribute to others in the community who are working with Raspberry Pi and Windows 10 IoT Core by being open source. As a result a proof of concept system of two simple robots has been implemented. In this paper we have used trigonometry and dead-reckoning for localization, when coordinating our robots a leader/follower model has been applied. The communication has been developed using the AllJoyn framework to develop an interface that has IoT capabilities. The results show that our system has working communication and simulated localization, however the limitations in the hardware results in an error in localization which we present in this paper. To answer our research questions the amount of communication needed is dependent on the problem and how many robots you need to apply in order to solve it and the most important design choice for current multi robot systems is a controlled environment.
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Purity and the communities of the Dead Sea Scrolls : a socio-historical re-evaluation of classical Jewish purity systems with special reference to gender studiesKeady, Jessica Mary January 2015 (has links)
The Dead Sea Scrolls provide verifiable everyday depictions of mixed communities of elite and ordinary Essenes in the Second Temple period. However, to date, scholarship on purity and impurity in the Dead Sea Scrolls has been mainly concerned with establishing an elite - predominantly male focused - history. This thesis aims to redress this imbalance through the application of contemporary theories from Gender Studies to selected purity passages of the Dead Sea Scrolls, to challenge the view that women are an uncontrollable and leaky problem when they are impure and to bring the uncontrollable aspects of the impure and vulnerable male into discussion. This will be achieved in four ways. Firstly, by applying Raewyn Connell’s hegemonic masculinity framework, I will use references to the Rule of the Community (in its 1QS form) and the War Scroll (in its 1QM form), to demonstrate the vulnerable and uncontrollable aspects of ordinary male impurities. This will reveal the evolving vulnerability of men when impure and the dimensions at play between masculinity and purity/impurity. Secondly, the embodied and empowered aspects of impure women will be revealed through an application of embodiment theories to selected passages from 4QD (4Q266 and 4Q272) and 4QTohorot A (4Q274). This will demonstrate from an empowered and embodied perspective how the impure female is regulated. Thirdly, I will be applying Susies Scott’s three conceptual features for understanding the everyday to the Temple Scroll (11QTa) and the Rule of the Congregation (1QSa) to demonstrate the changing dynamics between ordinary impure males and impure females. When necessary Scott’s three conceptual features will be used throughout each of the three principal chapters to reveal how impurity disrupts the construction of daily life. Fourthly, underlying each of these points is the premise that gender and purity in the Dead Sea Scrolls communities are performative, dynamic and constantly changing categories. To conclude, the application of inter-disciplinary approaches provides an enhanced understanding of the everyday realities experienced by the pure and impure ordinary members of the Dead Sea Scrolls communities and forms the basis for additional studies in this topic area.
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Some of the Other Works of the Torah: Boundaries and Inheritance as Legal Metaphors in the Hebrew Bible and Hellenistic Jewish LiteratureVos, Daniel Jon January 2020 (has links)
Thesis advisor: David S. Vanderhooft / In this dissertation, I explore the metaphorical value of law in the Hebrew Bible and Hellenistic Jewish literature. While the study of biblical law and Hellenistic Jewish halakah is well established, less attention has been paid to the intentional use of legal diction to create legal metaphors—metaphors that draw upon legal language for the sake of generating new ethical and theological insights. My argument is based upon Roger White’s theory of metaphor which states that a metaphor juxtaposes two otherwise unrelated vocabularies in order to produce new meaning. Thus, I draw upon comparative study of ancient Near Eastern law as a means of understanding the register of biblical Hebrew legal diction concerning land tenure and inheritance. With the legal background established, I investigate three sets of metaphors, one drawn from the prohibition against violating established property boundaries and two drawn from the legal domain of inheritance: the inheritance of wisdom and the inheritance of glory. These legal metaphors demonstrate the profitability of attending to legal diction. The boundary metaphor demonstrates that when attempting to describe the good or virtuous life, law served not only to provide a description of obligations, it also shaped the way in which early Jewish communities understood reality itself. The inheritance of wisdom metaphors demonstrate that sophisticated comparisons could be drawn between legal concepts and scribal learning, particularly when wisdom was thought of as a document. The inheritance of glory metaphors demonstrate the way in which semantic shifting impacts the meaning of a metaphor. / Thesis (PhD) — Boston College, 2020. / Submitted to: Boston College. Graduate School of Arts and Sciences. / Discipline: Theology.
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Numerical Study of Electric Field Enhanced CombustionHan, Jie 26 December 2016 (has links)
Electric fields can be used to change and control flame properties, for example changing flame speed, enhancing flame stability, or reducing pollutant emission. The ions generated in flames are believed to play the primary role. Although experiments have been carried out to study electric field enhanced combustion, they are not sufficient to explain how the ions in a flame are affected by an electric field. It is therefore necessary to investigate the problem through numerical simulations.
In the present work, the electric structure of stabilized CH4/air premixed flames at atmospheric pressure within a direct current field is studied using numerical simulations. This study consists of three parts. First, the transport equations are derived from the Boltzmann kinetic equation for each individual species. Second, a general method for computing the diffusivity and mobility of ions in a gas mixture is introduced. Third, the mechanisms for neutral and charged species are improved to give better predictions of the concentrations of charged species, based on experimental data. Following from this, comprehensive numerical results are presented, including the concentrations and fluxes of charged species, the distributions of the electric field and electric potential, and the electric current-voltage relation.
Two new concepts introduced with the numerical results are the plasma sheath and dead zone in the premixed flame. A reactive plasma sheath and a Boltzmann relation sheath are discovered in the region near the electrodes. The plasma sheath penetrates into the flame gas when a voltage is applied, and penetrating further if the voltage is higher. The zone outside the region of sheath penetration is defined as the dead zone. With the two concepts, analytical solutions for the electric field, electric potential and current-voltage curve are derived. The solutions directly describe the electric structure of a premixed flame subject to a DC field. These analytical solutions, together with the discovery of the plasma sheath and dead zone in flames, are the novel contributions of this work.
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Evaluation of artificially dead wood for nature restoration: comparison of insect and woodpecker activity between ring-barked and naturally dead birches (Betula spp.)Eriksson, Anna January 2022 (has links)
Intensive land use with resulting reduction and loss of habitats is one of the reasons behind the loss of biodiversity that the world is currently facing. In Sweden, natural forests are scarce today because of intensive forestry, which has led to a decline in many forest habitats, such as dead wood. One organism that has been heavily affected by loss of habitat is the white-backed woodpecker. This bird prefers deciduous forests rich in dead wood and more than 200 threatened species of insects and other organisms also prefer this habitat. For this reason the white-backed woodpecker is considered an umbrella species. In order to restore deciduous forests rich in dead wood and thereby favor species depending on this, dead deciduous wood is created artificially, often by ring-barking. Studies of artificially created deciduous dead wood are still largely lacking. The aim of this study is to contribute to research in deciduous forests by comparing ring-barked birches to naturally dead birches in terms of density of insect holes and woodpecker foraging activity (in general, not of a certain species). Insect holes were counted up to 2.2 meters and woodpecker foraging activity was scored on a scale from 1 - 5 on 144 ring-barked and 132 naturally dead birches across six sites in Uppland, Västmanland and Gästrikland, Sweden. Ring-barked birches did not have as many insect holes/surface area as did naturally dead trees and this differed between sites. Woodpecker foraging activity, on the other hand, did not differ between the dead wood categories but differed between sites. Further, both density of insect holes and woodpecker foraging activity increased with the diameter of the trees and woodpecker foraging activity also increased with number of insect holes/surface area across both dead wood categories. The results suggest that ring-barked birches do not fully mimic naturally dead birches when it comes to insect abundance but woodpeckers forage on ring-barked birches to a similar extent as on naturally dead birches. Thus, ring-barking of birches does not fully replace naturally dead wood of birch but it can serve as an important complement.
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Six sigma model optimized for reducing downtime in an open-pit mineGargate, Josemaria, Fung, Sian A., Jara, Juan, Raymundo, Carlos 01 January 2019 (has links)
El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado. / Currently, in open-pit mining operations, the highest cost among all processes is that of transporting trucks, whether in fuel, roads, tires, or spare parts, among other factors. Therefore, this article proposes the use of the Six Sigma methodology of continuous improvement as a quality management tool to reduce the downtime of the truck fleet to obtain better productivity in operations. The results of the investigation in the case study allowed to visualize that with the election of an optimal fleet appropriate for the conditions given in a mining project, the values of productivity and efficiency improve considerably. This is reflected in a better use of the machinery and in the reduction of unproductive times.
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