Browsing Electrical and Computer Engineering by Title
Now showing items 1907-1926 of 1983
-
Two Port Network Theory Based Design Method of Broadband Doherty Power Amplifier
(University of Waterloo, 2018-09-21)LTE-Advanced (LTE-A) is a widely used communication standard and it mainly features Carrier aggregation (CA). CA increases the user data rate and efficiently exploits the fragmented spectrum by combining various carrier ... -
Two-Dimensional Phononic Crystal Simulation and Analysis
(University of Waterloo, 2006)This thesis presents the design of a two-dimensional phononic band gap crystal simulator, and phononic crystal analysis. <br /><br /> Phononic crystals and their application to microwave acoustic filters are studied. ... -
Two-photon and Three-photon Parametric Interactions in Superconducting Microwave Circuits
(University of Waterloo, 2019-08-16)The flexible engineering of superconducting circuits, together with the nonlinearity available from Josephson junctions, have made microwave quantum optics a blooming research field in the past decade. Key experiments ... -
Type Checking and Whole-program Inference for Value Range Analysis
(University of Waterloo, 2020-10-19)Value range analysis is important in many software domains for ensuring the safety and reliability of a program and is a crucial facet in software development. The resulting information can be used in optimizations such ... -
UAV Detection Based on Adaptive Radar Signal Processing
(University of Waterloo, 2024-01-23)(Unmanned Air Vehicles) UAVs, commonly known as drones, have become widely available across the globe; they can be used for many useful applications, but they can also be used for illegal activities and terrorist attacks. ... -
UCAnDoModels: A Context-based Model Editor for Editing and Debugging UML Class and State-Machine Diagrams
(ACM/IEEE, 2019-09)Practitioners face cognitive challenges when using model editors to edit and debug UML models, which make them reluctant to adopt modelling. To assist practitioners in their modelling tasks, we have developed effective ... -
An Ultra-Low-Power 75mV 64-Bit Current-Mode Majority-Function Adder
(University of Waterloo, 2012-05-23)Ultra-low-power circuits are becoming more desirable due to growing portable device markets and they are also becoming more interesting and applicable today in biomedical, pharmacy and sensor networking applications because ... -
Ultrasensitive Microwave Near-Field Sensors For Detection, Imaging, and Material Characterization
(University of Waterloo, 2018-09-25)Affordable, sensitive, selective, fast-responding, label-free sensors are currently in high demand for many of today's applications and technologies, particularly in the food industry, bio-sensing applications, and quality ... -
Ultrasound Imaging Innovations for Visualization and Quantification of Vascular Biomarkers
(University of Waterloo, 2019-09-03)The existence of plaque in the carotid arteries, which provide circulation to the brain, is a known risk for stroke and dementia. Alas, this risk factor is present in 25% of the adult population. Proper assessment of carotid ... -
Ultrasound-Induced Cavitation for Controlled Drug Release from Thermosensitive Liposomes
(University of Waterloo, 2022-05-02)Ultrasound-induced cavitation of microbubbles has increased anticancer drug Doxorubicin (DOX) release from thermosensitive liposomes (TSL). Yet, the influence of liposomal formulations and their responses toward cavitation ... -
Understanding and Generating Patches for Bugs Introduced by Third-party Library Upgrades
(University of Waterloo, 2017-12-20)During the process of software development, developers rely heavily on third-party libraries to enable functionalities and features in their projects. However, developers are faced with challenges of managing dependency ... -
Understanding and Improving SAT Solvers via Proof Complexity and Reinforcement Learning
(University of Waterloo, 2023-12-18)Despite the fact that the Boolean satisfiability (SAT) problem is NP-complete and believed to be intractable, SAT solvers are routinely used by practitioners to solve hard problems in wide variety of fields such as software ... -
Understanding Driving Behaviours: Classification and Regression Approaches
(University of Waterloo, 2023-09-25)The emergence of self-driving technology is poised to revolutionize transportation by empowering vehicles to operate autonomously. These advancements are classified into distinct levels of automation, delineating the ... -
Understanding Feedforward – Feedback Controller Components In Human Movement Through Optimization-Based Approaches
(University of Waterloo, 2023-04-10)Despite many studies in human motion analysis using optimal control theory to understand how movement is generated, less attention is focused on the structure of the optimal controller. The majority of existing studies ... -
Understanding Scalability Issues in Sharded Blockchains
(University of Waterloo, 2020-12-11)Since the release of Bitcoin in 2008, cryptocurrencies have attracted attention from academia, government, and enterprises. Blockchain, the backbone ledger in many cryptocurrencies, has shown its potential to be a data ... -
Unified Reliability Index Development for Utility Quality Assessment
(University of Waterloo, 2013-01-15)With the great potential smart distribution systems have to cause a paradigm shift in conventional distribution systems, many areas need investigation. Throughout the past few decades, many distribution systems reliability ... -
UniFlow: A CFG-Based Framework for Pluggable Type Checking and Type Inference
(University of Waterloo, 2023-04-21)A type system is a crucial component of high-level programming languages, as it enhances program correctness by ruling out certain type errors. However, the built-in type system often adheres to a specific set of rules ... -
Unipolar Charge-Sensing for Evaporated Large-Area Solid-State Photoconductors for Digital Radiography
(University of Waterloo, 2012-05-03)An alternative approach to energy integrating systems is photon counting which provides higher dose efficiency through efficient noise rejection and optimal energy weighting, and, moreover, is not susceptible to memory ... -
A Universal Islanding Detection Technique for Distributed Generation Using Pattern Recognition
(University of Waterloo, 2013-08-30)In the past, distribution systems were characterized by a unidirectional power flow where power flows from the main power generation units to consumers. However, with changes in power system regulation and increasing ... -
The UNIX Process Identity Crisis: A Standards-Driven Approach to Setuid
(University of Waterloo, 2014-11-03)This work revisits the setuid family of calls for privilege management that is implemented in several widely-used operating systems. Three of the four commonly used calls in the family are standardized by POSIX. The ...