School of Technology: Recent submissions
Now showing items 221-240 of 369
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Cojumping: Evidence from the US Treasury Bond and Futures Market
(2011-02)The basis between spot and future prices will be affected by jump behavior in each asset price, challenging intraday hedging strategies. Using a formal cojumping test this paper considers the cojumping behaviour of spot ...
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The Term Premium and The UK Economy 1980-2007
(2010)The term premium is estimated from an empirically coherent open economy VAR model of the UK economy where the model specifically accounts for the mixed nature of the data and cointegration between some variables. Using ...
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Morale: definitions, dimensions and measurement
(University of CambridgeJudge Business School, 2010-04-13)Morale is a commonly used term both in business and society but the concept of morale is relatively poorly defined and understood. In a recent paper Liefooghe et al. (2004) expressed surprise that ‘…when reviewing the ...
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Generalised Bayesian matrix factorisation models
(University of CambridgeDepartment of EngineeringSt John's College, 2011-03-15)Factor analysis and related models for probabilistic matrix factorisation are of central importance to the unsupervised analysis of data, with a colourful history more than a century long. Probabilistic models for matrix ...
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Diamond Schottky barrier diodes
(University of Cambridge, 2008-03-11)Research on wide band gap semiconductors suitable for power electronic devices has spread rapidly in the last decade. The remarkable results exhibited by silicon carbide (SiC) Schottky batTier diodes (SBDs), commercially ...
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An empirical analysis of subprime consumer credit demand
(2010)We test the interest rate sensitivity of subprime credit card borrowers using a unique panel data set from a UK credit card company. What is novel about our contribution is that we were given details of a randomized interest ...
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Pedestrian localisation for indoor environments
(University of CambridgeFaculty of Computer Science and Technology, 2010-11-16)Ubiquitous computing systems aim to assist us as we go about our daily lives, whilst at the same time fading into the background so that we do not notice their presence. To do this they need to be able to sense their ...
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Water quality modeling for the Kennet and Avon Canal, a navigational canal in an inland catchment
(University of CambridgeDepartment of EngineeringSt. Catharine's College, 2010-10-12)The Kennet and Avon Canal in southern England is experiencing severe water quality problems caused by inorganic sediment and algae. These water quality problems are affecting the angling sport of fishermen downstream of ...
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Ground movements due to excavation in clay: physical and analytical models
(University of CambridgeDepartment of Engineering, 2010-11-16)In view of the recent catastrophes associated with deep excavations, there is an urgent need to provide vital guidelines on the design of the construction process. To develop a simple tool for predicting ground deformation ...
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Second-generation high-temperature superconducting coils and their applications for energy storage
(University of CambridgeDepartment of Engineering, 2010-11-16)Since a superconductor has no resistance below a certain temperature and can therefore save a large amount of energy dissipated, it is a 'green' material by saving energy loss and hence reducing carbon emissions. Recently ...
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Syngas production from heavy liquid fuel reforming in inert porous media
(University of CambridgeDepartment of Engineering, 2010-11-16)In the effort to introduce fuel cell technology in the field of decentralized and mobile power generators, a hydrocarbon reformer to syngas seems to be the way for the market uptake. In this thesis, a potential technology ...
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Ground vibration from underground railways: how simplifying assumptions limit prediction accuracy
(University of CambridgeDepartment of EngineeringChurchill College, 2010-10-23)Noise and vibration from underground railways is a documented disturbance to individuals living or working near subways. Much work has been done to understand and simulate the dynamic interactions between the train, track, ...
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Supporting material for the paper 'Analysis of an interface stabilised finite element method: The advection-diffusion-reaction equation'
(2010-10-20)Supporting computer code for the paper 'Analysis of an interface stabilised finite element method: The advection-diffusion-reaction equation', by Garth N. Wells.
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Tracking and modelling motion for biomechanical analysis
(University of CambridgeDepartment of EngineeringHughes Hall, 2010-11-16)This thesis focuses on the problem of determining appropriate skeletal configurations for which a virtual animated character moves to desired positions as smoothly, rapidly, and as accurately as possible. During the last ...
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A Lattice Boltzmann model for diffusion of binary gas mixtures
(University of CambridgeDepartment of Engineering, 2010-10-12)This thesis describes the development of a Lattice Boltzmann (LB) model for a binary gas mixture. Specifically, channel flow driven by a density gradient with diffusion slip occurring at the wall is studied in depth. The ...
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Cambridge Stratified Slot Burner Data
(University of Cambridge & Sandia National Laboratories, 2010-09-23)
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The production of pure hydrogen with simultaneous capture of carbon dioxide
(University of CambridgeDepartment of Chemical Engineering and Biotechnology, 2010-10-12)The need to stabilise or even reduce the production of anthropogenic CO2 makes the capture of CO2 during energy generation from carbonaceous fuels, e.g. coal or biomass, necessary for the future. For hydrogen, an ...
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Direct numerical simulations of spray spark ignition
(Engineering Department, 2010-09-09)Direct Numerical Simulations (DNS) of a mono-disperse spray in a turbulent flow have been used to explore the nature of flame kernels when a spark is deposited in the spray. The simulations use complicated chemistry and ...
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Autoregressive clustering for HMM speech synthesis
(ISCA (International Speech Communication Association)Proceedings of the 11th Annual Conference of the International Speech CommunicationProceedings of the 11th Annual Conference of the International Speech Communication, 2011)The autoregressive HMM has been shown to provide efficient parameter estimation and high-quality synthesis, but in previous experiments decision trees derived from a non-autoregressive system were used. In this paper we ...
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Autoregressive HMMs for speech synthesis
(ISCA (International Speech Communication Association), 2009)We propose the autoregressive HMM for speech synthesis. We show that the autoregressive HMM supports efficient EM parameter estimation and that we can use established effective synthesis techniques such as synthesis ...
