Browsing Engineering (Faculty of) by Title
Now showing items 7026-7045 of 7208
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Utilizing Channel State Information for Enhancement of Wireless Communication Systems
(University of Waterloo, 2007-10-25)One of the fundamental limitations of mobile radio communications is their time-varying fading channel. This thesis addresses the efficient use of channel state information to improve the communication systems, with a ... -
Utilizing the Canadian Long-Term Pavement Performance (C-LTPP) Database for Asphalt Dynamic Modulus Prediction
(University of Waterloo, 2013-04-05)In 2007, the Mechanistic-Empirical Pavement Design Guide (MEPDG) was successfully approved as the new American Association of State Highway and Transportation Officials (AASHTO) pavement design standard (Von Quintus et ... -
Utilizing ‘Power-to-Gas’ Technology for Storing Energy and to Optimize the Synergy between Environmental Obligations and Economical Requirements
(University of Waterloo, 2017-06-05)This work develops a generalized modeling framework using several approaches for assessing the feasibility of storing energy in order to demonstrate the economic and environmental benefits of managing the existing power ... -
UWB Radio-over-Fiber System Using Direct Modulated VCSEL
(University of Waterloo, 2007-09-06)The demand for efficient and cost-effective transmission and distribution of RF signal is increasing with the rapid development of wireless communication. This thesis studies the effect of using cost-effective vertical ... -
Vacuum Brazing of Carbon Nanotube Strands
(University of Waterloo, 2009-08-28)Carbon nanotubes (CNTs) discovered at 1991 have attracted great interest for applications in Nano-Electro-Mechanical-Systems (NEMS). However, the search for methods to join CNTs with metallic parts has been a worldwide ... -
Validation and Parameter Estimation of a Behaviour-Modification Model
(University of Waterloo, 2015-07-09)In this thesis, an attempt at validating and identifying parameters of a quantitative model of attitudes and behaviours is presented. The model, established in earlier work, describes the dynamics of a subject's attitude ... -
Validation Methodologies for Construction Engineering and Management Research
(University of Waterloo, 2013-07-19)Validation of results is an important phase in the organization of a researcher’s work. Libraries and the internet offer a number of sources for guidance with respect to conducting validation in a variety of fields. However, ... -
Validation of Volumetric Contact Dynamics Models
(University of Waterloo, 2011-05-05)A volumetric contact dynamics model has been proposed by Gonthier et al. [1, 2, 3] for the purpose of rapidly generating reliable simulations of space-based manipulator contact dynamics. By assuming materials behave as a ... -
Valuation of in-situ Building Materials for Resource Recovery
(University of Waterloo, 2024-02-08)The construction industry is among the largest contributors to global raw material consumption and is responsible for 40% of annual greenhouse gas emissions. Recovery of building materials at the end of a building's life, ... -
The Value of Ornament
(University of Waterloo, 2019-09-19)This thesis recognizes ornament as not simply an excessive accessory, but an innate human desire to imbue objects with beauty and meaning. Ornament’s prominence throughout disparate architectures regardless of culture, ... -
(VANET IR-CAS): Utilizing IR Techniques in Building Context Aware Systems for VANET
(University of Waterloo, 2015-12-18)Most of the available context aware dissemination systems for the Vehicular Ad hoc Network (VANET) are centralized systems with low level of user privacy and preciseness. In addition, the absence of common assessment models ... -
VAPEX Experiments in an Annular Packing of Glass Beads and the Numerical Simulation of VAPEX using Comsol®
(University of Waterloo, 2007-09-26)Vapour Extraction (VAPEX) is an in-situ bitumen recovery technique that utilizes light hydrocarbons to reduce the viscosity of bitumen. The mechanism of VAPEX is governed by the mass transfer of light hydrocarbons into ... -
Vapour Diffusion Control in Framed Wall Systems Insulated with Spray Polyurethane Foam
(University of Waterloo, 2009-04-30)The Intergovernmental Panel on Climate Change (IPCC) estimates that buildings account for 40% of the global energy use. The IPCC believes substantial improvements to building efficiency can be implemented easily by improving ... -
Varactor-Based Tunable Planar Filters and Post-Fabrication Tuning of Microwave Filters
(University of Waterloo, 2012-10-25)Post-fabrication tuning of filters is usually realized by adding number of elements for tuning the frequency and/or controlling the couplings between the resonators. The task of these tuning elements is to control resonators ... -
Variability-Aware Design of Static Random Access Memory Bit-Cell
(University of Waterloo, 2008-07-03)The increasing integration of functional blocks in today's integrated circuit designs necessitates a large embedded memory for data manipulation and storage. The most often used embedded memory is the Static Random Access ... -
Variability-Aware Design of Subthreshold Devices
(University of Waterloo, 2007-08-10)Over the last 10 years, digital subthreshold logic circuits have been developed for applications in the ultra-low power design domain, where performance is not the priority. Recently, devices optimized for subthreshold ... -
Variable Splitting as a Key to Efficient Image Reconstruction
(University of Waterloo, 2012-09-25)The problem of reconstruction of digital images from their degraded measurements has always been a problem of central importance in numerous applications of imaging sciences. In real life, acquired imaging data is typically ... -
Variable-Structure Cable-Driven Parallel Robots
(University of Waterloo, 2022-05-16)Cable-driven parallel robots (CDPR) are a special class of robotic manipulators consisting of a rigid end effector suspended, constrained, and actuated by a number of length-varying cables. Since cable mass is typically ... -
Variation in powder size distribution for electron beam melting of Ti48Al2Cr2Nb - density and surface roughness effects
(University of Waterloo, 2024-04-25)Additive manufacturing (AM), also known as 3D printing, is an innovative method for producing complex geometries with minimal material waste. Aerospace, medical, and battery fields are a few sectors that employ AM as a ... -
Variations on a Theme of Deep Time: From Geology to Architecture
(University of Waterloo, 2015-08-27)Through the lens of deep time, this thesis draws a comparison between geology and architecture, to create an architecture of simultaneity. Using Henri Bergson’s notion of the present containing all of the past within it, ...