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 100 for “"QE"”.
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Quantitative modeling and analysis with FMC-QE
The modeling and evaluation calculus FMC-QE, the Fundamental Modeling Concepts for Quanti-tative Evaluation [1], extends the Fundamental Modeling Concepts (FMC) for performance modeling and prediction. In this new methodology, the hierarchical service requests are in the main focus, because they …
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Turning up the variable noise: the quiet eye, functional variability and advancements in perceptual cognitive expertise
… it takes to become an expert. The Quiet Eye (QE) has emerged as a key perceptual variable associated with expertise (Vickers, 2007). The QE is defined as the final fixation towards a location in the environment that supports a coupled motor action. The QE is a fixation that lasts over 100ms, …
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Automatic Speech Recognition Quality Estimation
… This thesis explores ASR quality estimation (ASR QE) from different perspectives including: feature engineering, learning algorithms and applications. From feature engineering perspective, a wide range of features extractable from input signal and output transcription are studied. These features …
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Development of the Visible Light Photon Counter for Applications in Quantum Information Science
… counter (VLPC) is a high quantum efficiency (QE), Si-based, single-photon detector with high gain, low-noise multiplication, low timing jitter, and photon number resolution. While the VLPC has high QE in the visible wavelengths, the QE in the ultraviolet and infrared is low due to minimal …
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The Effects of Attentional Load and Anxiety on Aiming Task Performance in Sport
… a significantly longer total quiet eye duration (QED) than the expert group during the putting task; a difference underpinned by having a QE-pre duration of more than double that of the experts. Task complexity had no significant effect on total QED but during a perceived harder task, QE-pre was …
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The effect of FED's quantitative easing policy on listed companies and sectors in South Africa
… examines the effect of Quantitative Easing (QE) on listed companies and sectors in South Africa. The unconventional monetary policy carried out by the developed markets had spill over effects in emerging market economies. We focus on the policies performed by the United States. Our interest …
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Photoprotection and chloroplast regulation in the green algae Chlamydomonas reinhardtii
… light energy (excitation dependent quenching, qE), the migration of antenna complexes from PSII to PSI (state transitions, qT) and inactivation of PSII by damage (photoinhibition, qI). Excess reductant generated during light harvesting can also be dissipated by auxiliary electron transport …
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Surface Passivation of Colloidal II-IV Semiconductor Quantum Belts and Quantum Wires: Synthesis, Mechanism and Optical Studies
… with noticeably high quantum efficiency: QE, 30 ± 10 %), comparable to quantum rods. High QE is explained by a delocalized exciton recombination with a lower density of defect sites. The colloidal CdTe quantum wires: QWs) are preferred for solar-cell applications due to a tunable diameter …
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Cylindrical Decomposition Under Application-Oriented Paradigms
Quantifier elimination (QE) is a powerful tool for problem solving. Once a problem is expressed as a formula, such a method converts it to a simpler, quantifier-free equivalent, thus solving the problem. Particularly many problems live in the domain of real numbers, which makes real QE very …
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Heterogeneous agent models to determine spillover effects in the context of quantitative easing
… effects in the context of Quantitative Easing (QE). We consider these spillover effects from two perspectives. The first perspective studies spillovers within a network of financial institutions. The aim is to understand where amplification effects occur in the event of a shock. For this …
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Optical Investigations of Cd Free Cu<sub>2</sub>ZnSnS<sub>4</sub> Solar Cells
… Using optical modeling, the quantum efficiency (QE) of the solar cell is calculated and used to calculate the maximum short circuit current. A comparison of the solar cell performance in simulations using In<sub>2</sub>S<sub>3</sub>, ZnS, ZnSe and conventional CdS revealed an increase in QE while …
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Intent-based user segmentation with query enhancement
… the proposed methodology for query enhancement (QE) achieves greater improvement than the baseline models in both intent-based user classification and user segmentation. Comparing with a classical clustering algorithm, K-means, the experimental results indicate that the proposed user segmentation …
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Competitive Nucleation in Nanoclusters
… parameters, local order parameters such as Qe, ratio of local atom type in the largest embryo, and structural order parameters are tested as reaction coordinates. A linear combination of size, the fcc-fcc correlation parameter, and the Qe provided the maximum estimate for the …
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Approximating the Heston-Hull-White Model
… truncation Milstein and Quadratic Exponential (QE) schemes, which are popular Monte Carlo discretisation schemes for the Heston model, were extended to the HHW model. These schemes were then compared against the characteristic function for the uncorrelated case, and the QE scheme was found to be …
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Deep learning based semantic textual similarity for applications in translation technology
… architectures in translation Quality Estimation (QE). We show that the proposed methods are simple but outperform complex QE architectures and improve the state-of-theart results. The implementations of these methods have been released as open source.
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Antimicrobial and antioxidant activity of crude extracts and fractions from stems and leaves of Tephrosia Lupinifolia
… dry weight (DW) and mg of quercetin equivalents (QE)/g DW, respectively. Total phenolic content was recorded as 45.3 mg GAE/g DW for the leaves, 58.3 mg GAE/g DW for the roots and 250.5 mg GAE/g DW for the stems. Flavonoid contents were obtained as 31.8 ±0.032 mg QE/ g DW for the leaves, 13.2 …
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An Assessment of Radiative, Energy and Carbon Dioxide Fluxes over Three Urban Locations in Dublin
… the turbulent sensible heat (QH), latent heat (QE) and carbon dioxide (FC) fluxes. Net radiation (Q*) was 7.5 and 10% greater in summer and winter at the suburban location when compared to an urban location. Q* was preferentially channelled into the QH in summer and the QE in winter at the …
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Theory and Experiment of Antimony-Based Type-Ii Superlattice Infrared Photodetectors
… k · p method. Second, quantum efficiency (QE), an important figure of merit for infrared photodetectors, is analyzed by an analytical model based on absorption coefficient and transport parameters (e.g., minority carrier diffusion length) obtained by electron beam induced current (EBIC) …
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The US Unconventional Monetary Policy and International Capital Flows to Emerging Market Economies
… to 2019Q4, with a focus on quantitative easing (QE) and its normalization phases, including both tapering and quantitative tightening (QT). Using a panel data model with fixed effects, this dissertation finds that the spillover effects of US monetary policy during the QE period have a more …
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Empirical Examination of Quantitative Easing in Monetary Policy and Earning Management of Financial Markets and Institutions
… impact. Second, during both conventional and QE regime, monetary shocks are not significant in explaining weekly stock returns; however change in FED’s total asset holding in special programs is significant during the QE regime and such findings are more robust for the “large” banks when …
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