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GTETD 檢索結果共 3958 筆,本頁資料從第 169 筆到第 180 筆

On-the-go users' interaction with mobile devices often requires high visual attention that can overtax limited human resources. For example, while attending information displayed on a mobile device, on-the-go users who are driving a car or walking in the street can easily fail to see a dangerous situation. This dissertation explores the benefits of wearable tactile disp....

By Seungyon Lee-Computing-GIT-doctoral-2010-08-27
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This work studies application acceleration for wireless and mobile data networks. The problem of accelerating application can be addressed along multiple dimensions. The first dimension is advanced network protocol design, i.e., optimizing underlying network protocols, particulary transport layer protocol and link layer protocol. Despite advanced network protocol design....

By Zhenyun Zhuang-Computing-GIT-doctoral-2010-08-27
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Tsunamis are gravity water waves that are generated by impulsive disturbances such as submarine earthquakes, landslides, volcanic eruptions, underwater explosions or asteroid impacts. Submarine earthquakes are the primary tsunami source, but landslides may generate tsunamis exceeding tectonic tsunamis locally, in both wave and runup heights. The field data on landslide ....

By Fahad Mohammed-Civil & Environmental Engineering-GIT-doctoral-2010-08-27
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The research in the thesis investigates the use of minimal path techniques to track and detect cracks, modeled as curves, in critical infrastructure like pavements and bridges. We developed a novel minimal path algorithm to detect curves with complex topology that may have both closed cycles and open sections using an arbitrary point on the curve as the sole input. Spec....

By Vivek Kaul-Electrical and Computer Engineering-GIT-doctoral-2010-08-27
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Traditional fMRI utilizes blood oxygenation level dependent (BOLD) contrast to map brain activity. BOLD signal is sensitive to the hemodynamic changes associated with brain activity, and gives an indirect measure of brain activity. Low frequency fluctuations (LFFs) have been observed in the BOLD signal even in the absence of any anesthetic agent, and the correlations be....

By Waqas Majeed-Bioengineering-GIT-doctoral-2010-08-27
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This thesis consists of two parts. The first part focuses on high-dimensional classification problems in microarray experiments. The second part deals with forecasting problems with a large number of categories in predictors. Classification problems in microarray experiments refer to discriminating subjects with different biologic phenotypes or known tumor subtypes as w....

By Shin-Lian Lo-Industrial & Systems Engineering-GIT-doctoral-2010-08-27
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The refraction properties of photonic crystal lattices offers methods to control the beam steering of light through use of non-linear dispersion contours. In this thesis new photonic crystal structures, such as the square and triangular superlattices, that provide novel refractive properties are analyzed. The property difference between rows in these structures is the h....

By John L. Blair-Materials Science & Engineering-GIT-doctoral-2010-08-27
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The spatial patterns of bimaterial interfaces along the Parkfield section of the San Andreas Fault (SAF) and central section of the Calaveras Fault are systematically investigated with large data sets of near-fault waveforms. Different from the usage of direct P and S waves in traditional tomographic studies, a particular seismic phase named fault zone head wave (FZHW) ....

By Peng Zhao-Earth & Atmospheric Sciences-GIT-doctoral-2010-08-27
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This dissertation investigates the transitions of urban design models in practice: the ways in which practitioners have adopted the urban design models and the factors that have influenced such adoption. In particular, this dissertation focused on the unexpected consequences of the adaptations of urban design models and distinguished these effects from those stemming f....

By Jaecheol Kim-Architecture-GIT-doctoral-2010-08-27
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Measuring student learning is fundamental to any educational endeavor. A primary goal of many computer science education projects is to determine the extent to which a given instructional intervention has had an impact on student learning. However, the field of computing lacks valid and reliable assessment instruments for pedagogical or research purposes. Without such v....

By Allison Elliott Tew-Computing-GIT-doctoral-2010-08-26
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In this dissertation, the development of the first 60 GHz-standard compatible fully integrated 4-channel phase-locked loop (PLL) frequency synthesizer has been presented. The frequency synthesizer features third-order single loop architecture with completely integrated passive loop filter that does not require any additional external passive component. Two possible real....

By Francesco Barale-Electrical and Computer Engineering-GIT-doctoral-2010-08-26
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The explosive growth of wireless communication market has led the development of low-cost, highly-integrated wireless communication systems. Even though most blocks in the front-end have successfully been integrated by using the CMOS technology, it is still a formidable challenge to integrate the entire front-end. Thus, the objective of this research is to demonstrate t....

By Jeongwon Cha-Electrical and Computer Engineering-GIT-doctoral-2010-08-26
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