Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1255 for “"crossing"”.
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Crossing Borders, Crossing Genders: Queer Approaches to Popular Culture
Popular culture poses the most direct route to understanding how everyday people grapple with identity and power. Popular culture simultaneously promotes inclusion and diversity, while constricting it into an easily consumable and profitable form. This project approaches the popular from three …
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Crossing the ether
This dissertation examines the rise of English language commercial radio broadcasting from the Continent to Britain prior to World War Two, and its effect on the Public Service monopoly defended by the BBC. It explores the long-term effect on the history of British broadcasting caused by this …
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Modelling pedestrians’ utilisation of crossing facilities, gap acceptance and crossing decision in urban area
… cross a roadway has to decide whether to use a crossing facility or to cross a street illegally. An incorrect decision made will expose the pedestrian to the risk of accident. Pedestrian crossing behaviour has been sighted in the focus in the last decades. In the past, several studies …
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Zero Crossing Based Spectral Analysis
… zeros to real zeros, otherwise known as zero crossings, is considered. The work of key researchers in the field is reviewed giving a brief historical background.<br/><br/>A practicable means of reconstructing a signal from zero crossings times is devised using the Texas Instruments TMS320C30 …
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Some Results on Crossing Numbers
… to produce the minimum number of edge crossings for a complete graph, which is its crossing number. This dissertation proves that no edge in this drawing can be redrawn to reduce the total number of edge crossings.
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Opportunistic Sampling by Level-Crossing
… an alternative sampling method called level-crossing (LC). In recent years LC has emerged as an alternative to the traditional Nyquist-Shannon based sampling. While the conventional approach is an ideal enabler of reliable and perfect signal reconstruction, it is not always economical and …
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Level Crossing Times in Mathematical Finance
<p>Level crossing times and their applications in finance are of importance, given certain threshold levels that represent the "desirable" or "sell" values of a stock. In this thesis, we make use of Wald's lemmas and various deep results from renewal theory, in the context of finance, in modelling …
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Reconstruction methods for level-crossing sampling
Level-crossing sampling refers to a sampling method that generates a sequence of timing samples when a signal crosses a specified set of levels. Conventional sampling techniques more typically rely on producing a sequence of amplitude samples at a specified set of timings. Level-crossing sampling …
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Crossing Number Bounds of Mosaic Knot Diagrams
… Next we prove an upper and lower bound on crossing number of certain mosaic diagrams of knots in terms of winding number for knot diagrams that make only counterclockwise turns. Next we begin drawing mosaic diagrams that have a more grid-like structure and no crossings. This grid structure …
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An analysis of Michigan's grade crossing situation
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1927
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Crossing borders: conscious journeys with my family
… before the birth of a democratic South Africa. Crossing borders refers to both personal and physical expansion, juxtaposing the isolation of apartheid with the freedom to explore that which was foreign. The main theme is that of leaving home to extend one’s view of self in relation to the world, …
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Spectroscopic signatures of doorway-mediated intersystem crossing
Intersystem crossing in acetylene, C₂H₂, is described by a doorway-mediated model, where singlet-triplet mixing between the first excited singlet~ state, S₁, and the manifold of low-lying T₁,₂ states is controlled by special vibrational levels of the third excited triplet state, T₃. However, the …
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A zero-crossing switched-capacitor filter design
… switched-capacitor (CBSC) circuits and zero-crossing based circuits (ZCBC) were suggested as a possible solution to the op-amp based circuits. In this thesis, we explore zero-crossing based circuits (ZCBC) in high-order differential switched-capacitor filters to replace area inefficient …
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Intersystem crossing in acetylene : a mechanistic study
… states of acetylene and the intersystem crossing process that populates these states were studied using a second-generation, supersonic jet molecular beam machine with a multispectral capability. Surface Electron Ejection (SEELEM), Ultraviolet Laser Induced Fluorescence (UV-LIF), and …
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Last Chance : crossing industrial and ecological cycles
Views of long-term environmental change often rely on linear narratives of growth and decline. Last chance sites have been described as offering a limited window of time to witness landscapes and seascapes that are deemed to exist within varying states of vanishing, captivating audiences with …
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Arlecchino's Journey: Crossing Boundaries Through La Commedia Dell'arte
<p><em>La commedia dell'arte</em> is a recognized, vibrant theatrical form that emerged in Italy during the Renaissance. However, while great attention has been given to the particulars of the genre (performance techniques, important troupes, leading players), there lacks a study behind the …
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Transforming knowledge, crossing boundaries: exploring educational knowledge brokering
Aim: To investigate the concept of educational knowledge brokering (activities aimed at better connecting research to practice and policy in the educational ecosystem) in terms of its processes and implications for practice, with a focus on mathematics education but with broader implications for …
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