Browsing Electrical and Computer Engineering by Title
Now showing items 1242-1261 of 1978
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A Novel Solar Cell Ionotronic Energy Pathway Inspired by an Electric Eel
(University of Waterloo, 2021-09-16)Solar cell technology can be one of the best choices for sustainable future energy. Solar energy conversion strategies inspired by nature can play a vital role in solving the significant challenges in solar cell products ... -
A Novel THz Photoconductive Source and Waveguide Based on One-dimensional Nano-grating
(University of Waterloo, 2013-01-25)A terahertz photoconductive source structure with nano-grating electrodes is proposed. The resonance modes of the one-dimensional nano-grating and their affect the optical power absorption are studied. In addition, an ... -
Novel Volt/Var Control Strategies for Active Distribution Systems
(University of Waterloo, 2020-01-07)Power distribution networks are rapidly evolving as active distribution systems, as a result of growing concerns for the environment and the shift towards renewable energy sources (RESs). The introduction of distributed ... -
Novelty Detection for SilGeo Hardware Assurance
(University of Waterloo, 2023-05-05)In today's world, electronic hardware-level threats have become increasingly common. These threats can range from the infiltration of counterfeit or malicious hardware in the supply chain to the use of electronic attack ... -
Numerical analysis and simulation of graphene assisted silicon-nitride waveguide
(University of Waterloo, 2021-09-20)To address the increased demand for high performance nonlinear integrated photonic devices, this thesis investigates a potential solution to the intrinsic low nonlinear response of silicon nitride waveguides by integrating ... -
Numerical and Statistical Performance Analysis of Multi-Gate Negative Capacitance Field-Effect Transistors
(University of Waterloo, 2022-12-20)With the continued scaling of field-effect transistors (FETs) we have past the point where short-channel effects (SCEs) become a dominate factor in device performance. In particular, FETs suffer from increased leakage ... -
Numerical Modeling of Flexible ZnO Thin-Film Transistors Using COMSOL Multiphysics
(University of Waterloo, 2013-07-26)Increasing attention has been directed towards the development of optically transparent and mechanically flexible thin film transistors (TFTs) and associated circuits based on the transition metal oxides. These flexible ... -
Object Histories in Java
(University of Waterloo, 2010-04-30)Developers are often faced with the task of implementing new features or diagnosing problems in large software systems. Convoluted control and data flows in large object-oriented software systems, however, make even simple ... -
Objective Quality Assessment and Optimization for High Dynamic Range Image Tone Mapping
(University of Waterloo, 2014-06-06)Tone mapping operators aim to compress high dynamic range (HDR) images to low dynamic range ones so as to visualize HDR images on standard displays. Most existing works were demonstrated on specific examples without being ... -
Observers on linear Lie groups with linear estimation error dynamics
(University of Waterloo, 2012-09-20)A major motivation for Lie group observers is their application as sensor fusion algorithms for an inertial measurement unit which can be used to estimate the orientation of a rigid-body. In the first part of this thesis ... -
An Offshore Wind Farm Featuring Differential Power Processing
(University of Waterloo, 2021-12-22)Offshore wind farms are a rapidly growing technology used to harvest wind energy on the open seas where wind speeds are significantly higher and steadier than onshore. Current wind farms located far away from shore (e.g., ... -
On A New Approach to Model Reference Adaptive Control
(University of Waterloo, 2008-08-12)The objective of adaptive control is to design a controller that can adjust its behaviour to tolerate uncertain or time-varying parameters. An adaptive controller typically consists of a linear time-invariant (LTI) compensator ... -
On Achieving Secure Message Authentication for Vehicular Communications
(University of Waterloo, 2010-05-19)Vehicular Ad-hoc Networks (VANETs) have emerged as a new application scenario that is envisioned to revolutionize the human driving experiences, optimize traffic flow control systems, etc. Addressing security and privacy ... -
On Achieving Unconditionally Secure Communications Via the Physical Layer Approaches
(University of Waterloo, 2018-02-12)Due to the broadcast nature, wireless links are open to malicious intrusions from outsiders, which makes the security issues a critical concern in the wireless communicationsover them. Physical-layer security techniques, ... -
On Capacity-Achieving Input Distributions to Additive Vector Gaussian Noise Channels Under Peak and Even Moment Constraints
(University of Waterloo, 2021-08-25)We investigate the support of the capacity-achieving input distribution to a vector-valued Gaussian noise channel. The input is subject to a radial even-moment constraint and, in some cases, is additionally restricted ... -
On Causal Video Coding with Possible Loss of the First Encoded Frame
(University of Waterloo, 2014-01-21)Multiple Description Coding (MDC) was fi rst formulated by A. Gersho and H. Witsenhausen as a way to improve the robustness of telephony links to outages. Lots of studies have been done in this area up to now. Another ... -
On Constructing Low-Density Parity-Check Codes
(University of Waterloo, 2007-12-13)This thesis focuses on designing Low-Density Parity-Check (LDPC) codes for forward-error-correction. The target application is real-time multimedia communications over packet networks. We investigate two code design ... -
On Cyclic Delay Diversity OFDM Based Channels
(University of Waterloo, 2012-10-22)Orthogonal Frequency Division Multiplexing, so called OFDM, has found a prominent place in various wireless systems and networks as a method of encoding data over multiple carrier frequencies. OFDM-based communication ... -
On Efficient Polynomial Multiplication and Its Impact on Curve based Cryptosystems
(University of Waterloo, 2013-12-13)Secure communication is critical to many applications. To this end, various security goals can be achieved using elliptic/hyperelliptic curve and pairing based cryptography. Polynomial multiplication is used in the underlying ... -
On Error Detection and Recovery in Elliptic Curve Cryptosystems
(University of Waterloo, 2011-08-16)Fault analysis attacks represent a serious threat to a wide range of cryptosystems including those based on elliptic curves. With the variety and demonstrated practicality of these attacks, it is essential for cryptographic ...