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VTETD 檢索結果共 19439 筆,本頁資料從第 25 筆到第 36 筆

Crowd simulation is used for many applications including (but not limited to) videogames, building planning, training simulators, and various virtual environment applications. Particularly, crowd simulation is most useful for when real life practices wouldnât be practical such as repetitively evacuating a building, testing the crowd flow for various building blue print....

By Luke Gusukuma-Computer Science-VT-masters-2015-05-13
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Posttraumatic stress disorder (PTSD) is accompanied by marked alterations in cognition and behavior, particularly when negative, high-value information is present (Aupperle, Melrose, Stein, & Paulus, 2012; Hayes, Vanelzakker, & Shin, 2012) . However, the underlying processes are unclear; such alterations could result from differences in how this high value information i....

By Vanessa Brown-Psychology-VT-masters-2015-04-24
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Background and Aims: Executive dysfunction is pervasive in substance-dependent individuals (Verdejo-García, Bechara, Recknor, & Perez-Garcia, 2006). As many as four-fifths of individuals in treatment for substance use disorders (SUDs) have co-existing lifetime psychopathology. Executive function deficits are tied to markers of decreased quality of life including incr....

By Lara Moody-Psychology-VT-masters-2015-02-06
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Experimental and analytical investigations were performed to evaluate the comparative performance of pavements with and without geosynthetic stabilization. This was accomplished by the testing of a total of 18 pavement sections which could be classified into four different types: one which was constructed without geosynthetics and which served as a control, and three wh....

By Richard Valentine-Civil Engineering-VT-masters-2015-02-04
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The PMU has been found to carry great deal of value for applications in the wide area monitoring of power systems. Historically, deployment of these devices has been limited by the prohibitive cost of the device itself. Therefore, the objective of the conventional optimal PMU placement problem is to find the minimum number devices, which if carefully placed throughout t....

By Chetan Mishra-Electrical and Computer Engineering-VT-masters-2015-01-26
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In this project I explore the development of bird illustrations in early American natural history publication. I follow three groups in Philadelphia from 1812 to 1858: institutions, artist-naturalists, and printmakers. Each of these groups modeled a certain normative vision of illustration, promoting, producing, and publishing images that reflected their senses of what ....

By Jonathan David Grunert-Science and Technology Studies-VT-masters-2015-01-22
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A film which is optically transparent and electrically conductive is difficult to come by but can be realized in ways such as doping an oxidized film or by oxidizing a metallic film resulting in what is known as a transparent conducting oxide (TCO). TCOâs have many important uses in electronics, especially as the top contact in to solar cells where efficient transmissi....

By Noah P Allen-Electrical and Computer Engineering-VT-masters-2015-01-19
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This research introduces a proposed model for predicting tilting angle and limit states of single-fastened cold-formed steel-to-steel shear connections. Predictions are validated through an experimental study considering ply configuration and a single Hex #10 -washer head fastener, centered in a 102 mm by 102 mm three boundary window. The fastener tilting angle is captu....

By Sebastien Marc William Corner-Mechanical Engineering-VT-masters-2015-01-19
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With the decrease in availability of non-renewable energy sources coupled with the increase in the amount of energy required for the operation of personal electronic devices there has been an increased focus on developing systems that take advantage of renewable energy sources. Renewal energy sources such as photovoltaic (PV) panels have become more popular due to recen....

By Jason Dominic-Electrical and Computer Engineering-VT-masters-2015-01-14
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Adaptive LMS equalizers are widely used in digital communication systems for their simplicity in implementation. Conventional adaptive filtering theory suggests the upper bound of the performance of such equalizer is determined by the performance of a Wiener filter of the same structure. However, in the presence of a narrowband interferer the performance of the LMS equa....

By Tamoghna Roy-Electrical and Computer Engineering-VT-masters-2015-01-13
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The Behavioral Activation System (BAS) has been described as playing a central role in approach motivation and reward sensitivity (Gray, 1970). Self-report measures of BAS (e.g., Carver & White, 1994) have been used to index BAS activity, with higher scores interpreted as indicating greater BAS activity (e.g., Hundt et al., 2008). However, Beauchaine and colleagues (e.g....

By Roberto C Guerra-Psychology-VT-masters-2015-01-06
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The clinical presentation of social phobia suggests that alterations in theory of mind (TOM) may play a systematic role in the development and maintenance of the disorder. In the current study we leverage a quantitative neuroeconmic approach to probe for neural and behavior markers of cognitive TOM, as well as rejection estimation, with a particular focus on social phob....

By Andrew Valdespino-Psychology-VT-masters-2014-12-29
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