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GTETD 檢索結果共 3958 筆,本頁資料從第 109 筆到第 120 筆

Model Reference Adaptive Control (MRAC) is a widely studied adaptive control methodology that aims to ensure that a nonlinear plant with significant modeling uncertainty behaves like a chosen reference model. MRAC methods attempt to achieve this by representing the modeling uncertainty as a weighted combination of known nonlinear functions, and using a weight update law....

By Girish Chowdhary--GIT--2010-11-11
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This dissertation is aimed at examining signal integrity degradation factors and realizing signal integrity enhancement circuits for both wired and wireless communication systems. For wired communication systems, an optical coherent system employing an electrical equalization circuit is studied as a way of extending the transmission distance limited by optical fiber dis....

By Kil-Hoon Lee--GIT--2010-11-11
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Helicopter performance is greatly influenced by its drag. Pylons, fuselage, landing gear, and especially the rotor hub of a helicopter experience large separated flow regions, even under steady level flight conditions the vehicle has been designed for, contributing to the helicopter drag. Several passive and active flow control concepts have been studied for reducing he....

By Nandita Yeshala--GIT--2010-11-10
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In the present study on the retirement intentions, 525 engineer alumni from a Southeastern university were surveyed. Consistent with the Kanfer and Ackerman (2004) framework of adult development and work motivation, I hypothesized perceived abilities-demands fit and needs-supplies fit, along with age, health and finances, would influence retirement intention. The potent....

By Julie Hoa Nguyen--GIT--2010-11-10
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Changes in climate caused by changes in anthropogenic (i.e. man-made) greenhouse gas (GHG) emissions have become a major public policy issue in countries all over the world. With an estimated 28.4% of these emissions attributed to the transportation sector, attention is being focused on strategies aimed at reducing transportation GHG emissions. Quantifying the change in....

By Anthony H Sonnenberg--GIT--2010-11-10
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Endothelial Progenitor Cells (EPCs) were first identified from human blood samples as a population of circulating mononuclear cells capable of displaying a mature endothelial cell phenotype in culture. Subsequent studies have established that EPCs arise from the bone marrow (BM) and incorporate into the endothelium at sites of blood vessel growth, suggesting a potentia....

By Scott Thomas Robinson--GIT--2010-11-10
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In this thesis, we investigate the quantum mechanical interaction of light with matter in the form of a gas of ultracold atoms: the atomic ensemble. We present a theoretical analysis of two problems, which involve the interaction of quantized electromagnetic fields (called signal and idler) with the atomic ensemble (i) cascade two-photon emission in an atomic ladder con....

By Hsiang-Hua Jen--GIT--2010-11-09
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The trait complex approach (Ackerman & Heggestad, 1997) makes it possible to study the individual holistically by taking account of various individual differences at the same time, such as abilities, personality, motivation, and vocational preferences. Recently, Kanfer, Wolf, Kantrowitz, and Ackerman (2010) provided support for taking a whole-person approach in predicti....

By Yonca Toker--GIT--2010-11-09
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Emerging trends toward cloud computing and virtualization have been opening new avenues to meet enormous demands of space, resource utilization, and energy efficiency in modern data centers. By being allowed to host many multi-tier applications in consolidated environments, cloud infrastructure providers enable resources to be shared among these applications at a very f....

By Gueyoung Jung--GIT--2010-11-09
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My doctoral research dissertation focuses on two aspects of functional data analysis (FDA): FDA under spatial interdependence and FDA for multi-level data. The first part of my thesis focuses on developing modeling and inference procedure for functional data under spatial dependence. The methodology introduced in this part is motivated by a research study on inequities ....

By Huijing Jiang--GIT--2010-11-09
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The work presented in this thesis is primarily concerned with the synthesis and characterization of large, linear heteroacenes and their derivatives. We have been able to significantly expand on the types of materials available for application in organic electronic device architectures. In particular, the work focused on solution processible and novel derivatives of thi....

By Anthony Lucas Appleton--GIT--2010-11-08
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Naturally occurring bacterial populations are capable of detoxifying chlorinated compounds and immobilizing the radionuclide uranium via reductive processes. This study addressed the following three knowledge gaps in the fields of chlorinated solvent and uranium bioremediation, 1) the risks and benefits of coupling bioremediation with thermal treatment for clean-up of c....

By Kelly Elizabeth Fletcher--GIT--2010-11-08
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