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 33 for “"Scaling Methods"”.
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A Comparison of Two Hue Scaling Methods
Hue scaling functions are designed to characterize color appearance by assessing the relative strength of the red vs. green and blue vs. yellow opponent sensations comprising different hues. However, these judgments can be non-intuitive and may pose difficulties for measurement and analysis. We …
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An Evaluation of Scaling Methods for Earthquake Response Spectra
… range of frequencies. In this study, alternative scaling factors are evaluated with the purpose of reducing the dispersion encountered in normalized spectral ordinates. The scaling factors fall into two major groups, one based on ground motion data, and the other, directly on response quantities. …
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Revealing Socially Undesirable Information: A Comparison of Bipolar Adjective Scaling Methods
… the present study examined two bipolar adjective scaling methods (paired-comparison and semantic differential) to determine scaling effects on test taker reports of socially undesirable information on a self-report personality measure of conscientiousness. Results indicate that no differences …
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Atomistic Modeling of Nanostructures via Molecular Dynamics and Time-Scaling Methods
… by way of different atomistic simulation methods. Nanopillar compression is first used to investigate the interplay between size effects associated with the twin spacing and the finite size of nanopillars by molecular dynamics. Simulations reveal that there exists an optimal aspect ratio …
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Numerical Comparison of Muzzle Blast Loaded Structure
… and explosives and discusses research in blast scaling. Blast scaling is a method that reduces the computational costs associated with modeling blasts by using empirical data and numerically calculating blast field parameters over time for various types and sizes of explosives. This …
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A Comparison of Methods for Seriation and Unidimensional Scaling of Asymmetric Proximity Data
Scaling and seriation of objects have a long history in psychology, anthropology, and statistics. Data in the form of asymmetric proximity matrices occur when we have observations from paired comparisons, round-robin tournaments, and networks. Skew-symmetric matrices are obtained by taking the …
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La percezione del gusto amaro nell’uomo: la sensibilità gustativa al 6-n-propiltiouracile (PROP) come marker della variabilità individuale con implicazioni fisiologico-nutrizionali
… age 25 ± 3 y). PROP phenotype was determined by scaling methods and threshold measurements. The salivary Zn2+ concentration was determined and molecular analysis of TAS2R38 and gustin gene polymorphisms were performed using PCR techniques. PROP threshold determination can discriminate tasters …
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Nonequilibrium Relaxation and Aging Scaling Properties of the Coulomb Glass and Bose Glass
… and filling fraction. By studying two scaling methods, we find that the nonequilibrium relaxation properties can be described sufficiently by a full-aging scaling analysis. The scaling exponents depend on both temperature and filling fraction, and are thus non-universal. We look at the …
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Process and design techniques for low loss integrated silicon photonics
… process technology. However, the traditional scaling methods by which chips improve are soon to end. The continued drive towards smaller circuit elements and dense chip architecture has yielded to power consumption, heat production, and electromagnetic interference (RC-delay) limitations. A …
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Linear-Scaling Density Functional Theory and Theoretical Electron Energy Loss Spectroscopy Investigations of Surfaces and Defects in Nanomaterials
… will be discussed, with a focus on the linear scaling methods employed by onetep. A method for the prediction of spectra will be shown, with emphasis on the construction of the matrix elements needed. This method is tested against both other DFT codes and experiment. Once the ability of onetep …
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Probabilistic Inference for Inference Time Scaling of Language Models
… have achieved significant performance gains via scaling up model sizes and/or data. However, recent evidence suggests diminishing returns from such approaches, motivating a pivot to scaling test-time compute. Existing deterministic inference-time scaling methods, usually with reward models, cast …
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I/O Throughput Prediction for HPC Applications Using Darshan Logs
… Neural Network (DNN) using different feature scaling methods. I found that the DNN model outperformed other solutions as it can estimate the throughput of I/O operations within the 16 MB/s range. We believe that this work makes an important contribution to the field by deriving accurate models …
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Optimised spectral processing and lineshape analysis in 2-dimensional J-resolved NMR spectroscopy based metabolomics
… the application of standard metabolomic analysis methods to JRES spectra was examined. Using principal component analysis, the classification accuracy of 1D 1H and JRES spectra were investigated using several data sets. Alongside, three scaling methods were also evaluated. It was found that 2D …
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Local Correlation Approaches and Coupled Cluster Linear Response Theory
Quantum mechanical methods are becoming increasingly useful and applicable tools to complement and support experiment. Nonetheless, some barriers to further applications of theoretical models still remain. A coupled cluster singles and doubles (CCSD) calculation, a reliable ab initio method, scales …
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Dynamic Stability and Handling Qualities of Small Unmanned-Aerial-Vehicles UNMANNED-AERIAL-VEHICLES
… from 0.6 meters to 1.2 meters. Using USAF DatCom methods, a spreadsheet program for predicting the dynamic stability and handling qualities of small UAVs was created for use in the design stage of new small UAV concept development. This program was verified by inputting data for a Cessna-182, and …
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Use of hybrid airfoil design in icing wind tunnel tests of large scale swept wings
… existing icing wind tunnels and lack of robust scaling methods also makes ice accretion wind tunnel testing difficult. Hybrid or truncated airfoil models use full-scale leading edges with redesigned aft sections to provide test articles with much reduced model chord and therefore tunnel blockage …
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Scaling a Prismatic Revolute Joint (Pr) Manipulator Using Similitude and Buckingham Pi Techniques
This thesis presents scaling methods for sizing a prototype micro prismatic revolute (PR) manipulator actuated by permanent magnet (PM) direct current (d.c.) gearmotors. Dimensional analysis was the principle tool used in this investigation, and addressed the problems of scaling a trajectory …
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Development of more accurate computational methods within linear-scaling density functional theory
… Traditional implementations of DFT are cubic-scaling which limits the size of the systems that can be studied. However recently developed linear-scaling methods, such as onetep, are available which allow much larger systems to be considered. Regardless of scaling DFT has limitations as the …
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Automated Implementation of Advanced Electronic Structure Methods
… of advanced many-body electronic structure methods. However, the derivation and efficient implementation of these theories constitute a significant bottleneck. As the rank of the associated tensors increases, the governing equations explode in complexity, rendering manual implementation …
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Numerical solution of multicomponent population balance systems with applications to particulate processes
… of population balance systems. Measurement methods are not capable of collecting data at resolutions which can explain the interactions of these processes. In order to better understand particle formation mechanisms, numerical solutions could be employed, however current numerical solutions …
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