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 2091 for “"disturbances"”.
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Forest Disturbances: Occurrences and Impacts of Recreational, Hydrogeomorphic, and Climatic Disturbances
Disturbances impact abiotic and biotic components within forested ecosystems. This dissertation identifies the impacts of recreational crossing disturbances on water quality, uses dendrochronological techniques to estimate sediment deposition and identify impacts hydrology and climate on radial …
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Geometry induced flow disturbances
From clinical studies it is well known that atherosclerosis has preferred locations in the vascular system, primarily sited in the carotid arteries, coronary arteries, and in vessels supplying the lower extremities in the arterial system. In the vicinity of bifurcations flow tends to separate …
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Ionospheric Disturbances: Midlatitude Pi2 Magnetospheric ULF Pulsations and Medium Scale Traveling Ionospheric Disturbances
… radio frequency energy. By studying ionospheric disturbances, it is possible to gain a deeper understanding of not only the ionosphere itself, but also the natural and technological systems it is coupled to. This dissertation research utilizes high frequency (HF) radio remote sensing techniques …
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A sudden ionospheric disturbances monitor
Sudden Ionospheric Disturbances are the immediate effects of solar flares, which impact the earth, and affect the upper atmospheric layers used for telecommunications. The aim of this project was to research, design and build a sudden ionospheric Disturbance Monitor for amplitude and phase …
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Managing Disturbances in Supply Chain Systems
… approach were also extended to consider multiple disturbances, one after another as a series, on a real-time basis. Finally, the experimentation was conducted and the heuristic results were compared with other standard solution approaches to judge and validate the results. The framework was …
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Clinical significance of certain electrolyte disturbances
Typewritten copy
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Amending Limb Movements to Mechanical Disturbances
Three experiments were designed to answer a number of questions concerning the nature of proprioceptive error correction in the control of voluntary motor responses. Experiment 1 attempted to operationally determine the relationship between two theoretically described types of movement errors,
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Disturbances in the tropical upper troposphere.
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1970.
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On the dynamics of monsoon disturbances.
Thesis. 1976. Sc.D.--Massachusetts Institute of Technology. Dept. of Meteorology.
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Observation and control of PDE with disturbances
… (PDE) under the effect of external unknown disturbances. We consider generalized forms of two popular parabolic and hyperbolic infinite dimensional dynamics, the heat and wave equations. Sliding-mode control is used to achieve the control goals, exploiting the robustness properties of this …
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Dynamics and Predictability of the Intraseasonal Disturbances
We are interested in establishing how the instability properties of the background circulation might be related to the observed intraseasonal variability. We focus on the intraseasonal variability in two Northern Hemispheric winters with distinctly different background conditions. The daily 500-mb …
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Sodium and potassium disturbances in childhood diarrhoea
Includes bibliographical references.
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Optimal and robust identification under bounded disturbances
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1991.
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Aerodynamics of wind turbine with tower disturbances
Thesis: M.S., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 1978
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Restless Cycles : sleep Disturbances Across the Menstrual Cycle
Markmið rannsóknarinnar var að kanna hvort að svefngæði og almenn vellíðan taki breytingum eftir mismunandi fösum tíðahrings hjá konum með reglulegan tíðahring. Notast var við innanhópasnið og var spurningalisti lagður fyrir þátttakendur í gegnum Microsoft Forms. Spurningalistinn var sendur til 42 …
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The impact of monetary disturbances on stock prices
A key issue in this paper is whether or not stock prices may be predicted based on information obtained by predicting money supply growth. Based on the evidence presented in this paper the conclusion is no. First, there is a strong contemporaneous correlation between money growth and stock price …
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Mood disturbances associated with training distress in swimmers
<p>Titrating training volume to optimize physical readiness and avoid training distress in swimmers is a difficult challenge for coaches. The purpose of this study was to examine alterations in mood state in collegiate swimmers throughout an entire season and determine if there were differences …
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The Co-Volcanic Ionospheric Disturbances at Mt.Etna, Italy
… that are called co-volcanic ionospheric disturbances (CVIDs) and they represent a key observational signature of the coupling processes between lithosphere, atmosphere and ionosphere. Based on the GNSS-TEC application, the coupling processes between lithosphere and ionosphere have been …
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Event-Based Control and Estimation with Stochastic Disturbances
… new information about stochastic process disturbances. A data network in the control loop imposes constraints on the event timing, modelled as a minimum time between packets. A thresholdbased control strategy is suggested and shown to be optimal for firstorder systems with impulse control. …
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Object Relations and Identity Disturbances in Bulimic Women
… in the "Low Bulimic" group, had significant disturbances in their relationships as well as their opinion of their body. It was concluded that both groups exhibited significant object relations and identity disturbances. Therefore, it is suggested that a more psychodynamic approach is useful …
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