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 12 of 12 for “"contribution analysis"”.
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Machine learning for automatic classification of remotely sensed data
As more and more remotely sensed data becomes available it is becoming increasingly harder to analyse it with the more traditional labour intensive, manual methods. The commonly used techniques, that involve expert evaluation, are widely acknowledged as providing inconsistent results, at best. We …
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In-situ measurement methods for characterisation and diagnosis of airborne sound transmission through multi-layered building partitions
… paths in the partition is not known. If the contributions of different paths in the partition can be measured then any weak paths of sound insulation can be diagnosed. This would be especially useful in the case of multi-layered partitions where the sound insulation depends on the sound …
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Friction stir welding of high temperature alloys
… strength for MA956 alloy with strengthening contribution analysis. On the other hand, at high temperature, degradation of creep properties was observed in MA754 alloy. Analysis of MA754 alloy with three grain structures (as-received, FSW and post-weld annealed conditions) revealed that the …
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Yield Curves and Macro Variables Interactions and Predictions
… months ahead. The Independent Variable Contribution analysis increased the weight of Slope on average for all markets. Weighted KNN caused a deterioration in the prediction accuracy of macro variables, and K of KNN increased with the horizon forecasted. In terms of predictive power of …
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Quality Incentives and the Development of High-value Agrifood Markets: Ecuador's Cacao Marketing Chain
… market in Ecuador. Chapter 3 uses a subsector analysis to develop and test hypotheses that specific market level constraints, such as transaction costs, market power, and institutional constraints, impede the transmission of incentives to produce quality to farmers. The subsector analysis …
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Structure Borne Noise Analysis Using Helmholtz Equation Least Squares Based Forced Vibro Acoustic Components
… dissertation presents a structure-borne noise analysis technology that is focused on providing a cost-effective noise reduction strategy. Structure-borne sound is generated or transmitted through structural vibration; however, only a small portion of the vibration can effectively produce sound …
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Indigenous Firm Performance in a Small Late Developing State : A Case-study of the Role and Contribution of Public Venture Capital in Ireland.
… firm performance in particular. The role and contribution of policy-makers in overcoming these constraints can therefore be significant. This thesis evaluates the role and contribution of public venture capital - as a significant industrial policy initiative - to shareholder value creation in …
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Implementation of a comprehensive methodology for structural dynamics and NVH simulation incorporating MBS, FEM and ray tracing
… Noise Transfer Function (NTF)) as well as Panel Contribution Analysis (PCA) of the components are calculated in FEM models, providing the foundation for targeted acoustic optimization of the wheel and rail. Finally, a model of sound propagation outside the vehicle is constructed based on ray …
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Model Based Analysis of QT Variability Independent of Heart Rate and Respiration
… repolarisation process and quantifying neural contribution to arrhythmia can improve the ability to predict the onset of ventricular arrhythmias and improve risk stratification strategies. The main aim of this thesis is to quantify repolarisation variability independent of heart rate and …
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RECOVERY AND SEPARATION PROCESSES IN THE RECYCLING CHAIN OF POLYAMIDE PLASTIC MATERIALS TO OBTAINECO-SUSTAINABLE RAW MATERIALS
… applicability: intrinsic viscosity, end-group analysis (–NH2 and –COOH), infrared spectroscopy, and differential scanning calorimetry (DSC) were used to determine degradation and purity. In selected cases, the recovered PA was also tested for mechanical performance through tensile strength and …
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A life cycle-based investigation into the potential of a circular and low-carbon plastics economy in South Africa
… Studies are generally restricted to the analysis of waste management systems with limited information available on the connection between material circularity and environmental impacts. Although several global studies have sought to explore this link using life cycle assessment methods, …