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Browsing Departments Science and Engineering by Title

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  • Water-equivalent fiber radiation dosimeter with two scintillating materials 
    Qin, Zhuang; Hu, Yaosheng; Ma, Yu; Lin, Wei; Luo, Xianping; Zhao, Wenhui; Sun, Weimin; Zhang, Daxin; Chen, Ziyin; Wang, Boran; Lewis, Elfed (2016)
    An inorganic scintillating material plastic optical fiber (POF) dosimeter for measuring ionizing radiation during radiotherapy applications is reported. It is necessary that an ideal dosimeter exhibits many desirable ...
  • Wavelet-based transforms as a means of signal separation 
    Quinn, Declan; Walker, Jacqueline (2008)
    The goal of this paper is to facilitate the use of waveletbased transforms in BSS (and, more generally, ICA) algorithms. We investigate the performance of transforms such as the ContinuousWavelet Transform, Discrete ...
  • Waves in Guinness 
    Robinson, Marguerite; Fowler, Andrew C.; Alexander, A.J.; O'Brien, Stephen B.G. (American Institute of Physics, 2008)
    We describe a simple model of a bubbly two-phase flow which is able to explain why waves propagate downward when a pint of Guinness is poured, and also how the waves are generated. Our theory involves a physically based ...
  • “WBC over DVB-H” testbed design, development and results 
    Ji, Zhanlin; Ganchev, Ivan; Ó'Droma, Máirtín (Hindawi Publishing Corporation, 2010)
    The wireless billboard channels (WBCs) are integral part of the ubiquitous consumer wireless world (UCWW)—a wireless next generation network proposal. The WBCs are used by the service providers to broadcast advertisements ...
  • Weak percolation on multiplex networks 
    Baxter, Gareth J.; Dorogovtsev, Sergey N.; Mendes, José F.F.; Cellai, Davide (Americann Physical Society, 2014)
    Bootstrap percolation is a simple but nontrivial model. It has applications in many areas of science and has been explored on random networks for several decades. In single-layer (simplex) networks, it has been recently ...
  • Wear of ultra-high molecular weight polyethylene (UHMWPE) in total knee prostheses: a review of key influences 
    McGloughlin, Timothy M.; Kavanagh, A.G. (Institute of Mechanical Engineers, 2000)
    The formation and development of wear is now widely accepted as one of the major concerns in the long-term survivorship of contemporary knee prostheses in vivo. This review examines the role of surface topography, third-body ...
  • Wear particle analysis and the evolution of the plastically deformed layer on Australian rail steel 
    Athukorala, Asitha C.; De Pellegrin, Dennis V.; Battaglia, Ben T.; Kourousis, Kyriakos I. (Trans Tech Publications, 2016)
    Particle analysis methodology is presented, together with the morphology of the wear debris formed during rolling contact fatigue. Wear particles are characterised by their surface topography and in terms of wear mechanism. ...
  • Web service integration for next generation localisation 
    Lewis, David; Curran, Stephen; Feeney, Kevin; Etzioni, Zohar; Keeney, John; Way, Andy; Schäler, Reinhard (Association for Computing Machinery, 2009)
    Developments in Natural Language Processing technologies promise a variety of benefits to the localization industry, both in its current form in performing bulk enterprise-based localization and in the future in ...
  • Web-based systems design: a study of contemporary practices and an explanatory framework based on “method-in-action” 
    Lang, Michael; Fitzgerald, Brian (Springer, London, 2007)
    This paper reports the findings of a detailed study of Web-based systems design (WBSD) practices in Ireland based on data collected over a 3-year period (2002–2005), the objectives of which were to (1) contribute towards ...
  • The Weibull MPR model for interval censored survival data 
    Peng, Defen; Burke, Kevin; MacKenzie, Gilbert (IWSM, 2018)
    The Weibull multi-parameter regression (MPR) model with frailty is developed for interval censored survival data. The basic MPR model which is wholly parametric with non-proportional hazards was developed by Burke ...
  • Weighted Item ranking for pairwise matrix factorization 
    Zhang, Haiyang; Ganchev, Ivan; Nikolov, Nikola S.; Ó'Droma, Máirtín (IEEE Computer Society, 2019)
    Recommendation systems employed on the Internet aim to serve users by recommending items which will likely be of interest to them. The recommendation problem could be cast as either a rating estimation problem which ...
  • What information is used in treatment decision aids? A systematic review of the types of evidence populating health decision aids 
    Clifford, Amanda M.; Ryan, Jean; Walsh, Cathal Dominic; McCurtin, Arlene (BioMed Central, 2017)
    Background: Patient decision aids (DAs) are support tools designed to provide patients with relevant information to help them make informed decisions about their healthcare.  While DAs can be effective in improving ...
  • What is interactive art? An uncomplicated (possibly incautious) definition 
    Torre, Giuseppe (University of Limerick, 2018)
    In this book I offer a definition of interactive art. The argument I put forward ( in a somehow unorthodox/tongue and cheek manner) is that interactive art is, in its essence, a poststructuralist practice. This claim ...
  • Whisker sensors enable AUV deployment near hazards 
    Toal, Daniel; Flanagan, Colin (World Scientific and Engineering Academy and Society (WSEAS), 2004)
    The design and development of low cost short range and tactile optical fibre sensors for deployment on autonomous underwater vehicles (AUV) in close proximity to marine hazards is described. These sensors enable the ...
  • Why are small software organisations different? 
    Richardson, Ita; Gresse von Wangenheim, Christiane (IEEE Computer Society, 2007)
    Small software organizations independently financed and organized companies with fewer than 50 employees are fundamental to many national economies' growth. In the US, Brazil, Canada, China, India, Finland, Ireland, Hungary, ...
  • Wide-band steady-state numerical model and parameter extraction of a tensile-strained bulk semiconductor optical amplifier 
    Connelly, Michael J. (IEEE Computer Society, 2007)
    A wide-band steady-state model of a tensile-strained bulk InGaAsP semiconductor optical amplifier is described. An efficient numerical algorithm of the steady-state model and a parameter extraction algorithm based on the ...
  • Wideband dynamic numerical model of a tapered buried ridge stripe semiconductor optical amplifier gate 
    Connelly, Michael J. (IEEE Computer Society / The Institution of Engineering and Technology, 2002)
    A wideband dynamic numerical model of a tapered buried ridge stripe semiconductor optical amplifier is described. The model is based on a carrier density rate equation and a set of travelling-wave equations describing the ...
  • Wideband semiconductor optical amplifier steady-state numerical model 
    Connelly, Michael J. (2001)
    A wideband steady-state model and efficient numerical algorithm for a bulk InP–InGaAsP homogeneous buried ridge stripe semiconductor optical amplifier is described. The model is applicable over a wide range of operating ...
  • Wideband steady-state and pulse propagation modeling of a reflective quantum-dot semiconductor optical amplifier 
    Anzabi, Shalil Safari; Habibzadeh-Sharif, Amir; Connelly, Michael J.; Rostami Ali (IEEE Computer Society, 2020)
    A new time-domain wideband numerical model for simulation of quantum dot-reflective semiconductor optical amplifier (QD-RSOA) steady-state and dynamic behavior, is described. The model is used to investigate 1 ps full-width ...
  • Wideband steady-state model of a strained InGaAsP MQW-SOA 
    Connelly, Michael J.; Mazzucato, Simone; Carrere, Hélène; Amand, Thierry; Achouche, Mohand; Caillaud, Christopher; Brenot, Romain (Institute of Electrical and Electronics Engineers, 2016)
    A steady-state model of a strained MQW-SOA is described. Least-squares fitting of the model to experimental polarization resolved amplified spontaneous emission spectra is used to obtain difficult to measure model parameters ...

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