Browsing Electrical and Computer Engineering by Type "Doctoral Thesis"
Now showing items 1-20 of 803
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0.42 THz Transmitter with Dielectric Resonator Array Antenna
(University of Waterloo, 2019-07-23)Off chip antennas do not occupy the expensive die area, as there is no limitation on their building material, and can be built in any size and shape to match the system requirements, which are all in contrast to on-chip ... -
a-Si:H-Silicon Hybrid Low Energy X-ray Detector
(University of Waterloo, 2014-09-15)Low energy X-ray (< 20 keV) detection is a key technological requirement in applications such as protein crystallography or diffraction imaging. Silicon based optical cameras based on CCDs or CMOS imaging chips coupled to ... -
Abstraction and Refinement Techniques for Ternary Symbolic Simulation with Guard-value Encoding
(University of Waterloo, 2022-05-20)We propose a novel encoding called guard-value encoding for the ternary domain {0, 1, X}. Among the advantages it has over the more conventional dual-rail encoding, the flexibility of representing X with either of <0, 0> ... -
Accommodating a High Penetration of PHEVs and PV Electricity in Residential Distribution Systems
(University of Waterloo, 2015-04-22)Global warming is threatening the world’s delicate ecosystems to the point where the extinction of numerous species is becoming increasingly likely. Experts have determined that avoiding such a disaster requires an 80% ... -
Accommodating a High Penetration of Plug-in Electric Vehicles in Distribution Networks
(University of Waterloo, 2014-05-12)The last few decades have seen growing concern about climate change caused by global warming, and it now seems that the very future of humanity depends on saving the environment. With recognition of CO2 emissions as the ... -
Accounting for the Effects of Power System Controllers and Stability on Power Dispatch and Electricity Market Prices
(University of Waterloo, 2005)Recently, the widespread use of power system controllers, such as PSS and FACTS controllers, has led to the analysis of their effect on the overall stability of power systems. Many studies have been conducted to allocate ... -
Active Matrix Flat Panel Bio-Medical X-ray Imagers
(University of Waterloo, 2008-01-28)This work investigates the design, system integration, optimization, and evaluation of amorphous silicon (a-Si:H) active matrix flat panel imagers (AMFPI) for bio-medical applications. Here, two hybrid active pixel sensor ... -
Active Pixel Sensor Architectures for High Resolution Large Area Digital Imaging
(University of Waterloo, 2008-05-02)This work extends the technology of amorphous silicon (a-Si) thin film transistors (TFTs) from traditional switching applications to on-pixel signal amplification for large area digital imaging and in particular, is aimed ... -
Adaptive Dual-Mode Arbitration for High-Performance Real-Time Embedded Systems
(University of Waterloo, 2022-01-25)Multi-core platforms can deliver substantial computational power together with minimum costs, compact size, weight, and power usage. However, multi-core architectures are shaking the very foundation of modern real-time ... -
Adaptive Fractal and Wavelet Image Denoising
(University of Waterloo, 2004)The need for image enhancement and restoration is encountered in many practical applications. For instance, distortion due to additive white Gaussian noise (AWGN) can be caused by poor quality image acquisition, images ... -
Adaptive Learning Algorithms for Non-stationary Data
(University of Waterloo, 2015-04-22)With the wide availability of large amounts of data and acute need for extracting useful information from such data, intelligent data analysis has attracted great attention and contributed to solving many practical tasks, ... -
Adaptive Medium Access Control for Internet-of-Things Enabled Mobile Ad Hoc Networks
(University of Waterloo, 2016-09-27)An Internet-of-Things (IoT) enabled mobile ad hoc network (MANET) is a self organized distributed wireless network, in which nodes can randomly move making the network traffic load vary with time. A medium access control ... -
Adaptive Monitoring of Complex Software Systems using Management Metrics
(University of Waterloo, 2009-10-02)Software systems supporting networked, transaction-oriented services are large and complex; they comprise a multitude of inter-dependent layers and components, and they implement many dynamic optimization mechanisms. ... -
Adaptive OFDM Cooperative Systems
(University of Waterloo, 2010-12-08)Cooperative communication is a promising technique for wireless communication systems where wireless nodes cooperate together in transmitting their information. Such communication transmission technique, which realizes the ... -
Adaptive Power Amplifiers for Modern Communication Systems with Diverse Operating Conditions
(University of Waterloo, 2013-11-26)In this thesis, novel designs for adaptive power amplifiers, capable of maintaining excellent performance at dissimilar signal parameters, are presented. These designs result in electronically reconfigurable, single-ended ... -
Adaptive Streaming: From Bitrate Maximization to Rate-Distortion Optimization
(University of Waterloo, 2021-09-30)The fundamental conflict between the increasing consumer demand for better Quality-of-Experience (QoE) and the limited supply of network resources has become significant challenges to modern video delivery systems. Stat ... -
Addressing the RRAM Reliability and Radiation Soft-Errors in the Memory Systems
(University of Waterloo, 2018-04-11)With the continuous and aggressive technology scaling, the design of memory systems becomes very challenging. The desire to have high-capacity, reliable, and energy efficient memory arrays is rising rapidly. However, from ... -
Advanced MEMS Microprobes for Neural Stimulation and Recording
(University of Waterloo, 2011-04-28)The in-vivo observation of the neural activities generated by a large number of closely located neurons is believed to be crucial for understanding the nervous system. Moreover, the functional electrical stimulation of the ... -
Advances in Fuel Cell Vehicle Design
(University of Waterloo, 2008-04-16)Factors such as global warming, dwindling fossil fuel reserves, and energy security concerns combine to indicate that a replacement for the internal combustion engine (ICE) vehicle is needed. Fuel cell vehicles have the ... -
Affective Speech Recognition
(University of Waterloo, 2015-01-19)Speech, as a medium of interaction, carries two different streams of information. Whereas one stream carries explicit messages, the other one contains implicit information about speakers themselves. Affective speech ...