Browsing Electronic Theses and Dissertations by Title
Now showing items 888-907 of 1287
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Quadrics in Pseudo-Euclidean Spaces, Integrable Billiards and Extremal Polynomials
(2019-08)We study the geometry of confocal quadrics in pseudo-Euclidean spaces of dimensions 2, 3, and 4, respectively. Along with the notion of geometric quadrics, we also investigate the relativistic quadrics which provide tools ... -
Quality Assurance and Health Management for Software Systems
(2019-12)Companies have experienced an increased frequency of failures due to defective software that have cost millions of dollars. Recent high-profile incidents have drawn increased scrutiny to the risks of failed software ... -
Quantifying Environmental Risks Using a Fusion of Statistical and Machine Learning Methods
(2020-05-12)There is growing scientific evidence that adverse weather events are increasing in frequency and intensity. Such natural hazards can be largely separated into two groups. The first group comprises extreme events and natural ... -
Quantifying Experience and Task Performance in 3D Serious Games
(2019-05)Mixed reality systems allow the development of different 3D immersive games, by immersing a live captured 3D model of a person in a virtual environment and enabling interactions and collaborations among geographically ... -
Quantum materials simulations: Excited-state dynamics and quantum transport
(2021-05-03)Excited-state dynamics simulation enables us to explore a wide variety of nonequilibrium phenomena remaining uncharted in the field of physics, (bio)chemistry, and materials science. To elucidate electron-enhanced atomic-layer ... -
Quantum Phases of Time-Reversal Invariant Bose-Einstein Condensates
(2020-11-17)Recent experimental realization of spin-orbit coupling (SOC) for ultracold atomic gases with the use of synthetic gauge fields provides a powerful platform for the study of novel quantum phenomena and the simulation of ... -
Quantum Transport Properties in Tungsten Ditelluride Based Devices
(2021-04-27)The success of mechanical exfoliation on graphene has paved a new field of research in two-dimensional (2D) materials. As one of the transition metal dichalcogenides (TMDCs), tungsten ditelluride (WTe2) has attracted a ... -
Race, Class, and Procedural Justice During Traffic Stops
(2017-05)This is a study of public perception of face to face encounters with the police during the most common type of police contact, the traffic stop. Using the latest iteration of the Police-Public Contact Survey, (ICPSR 34276), ... -
Radar Studies of Atypical Equatorial Spread F Events in the American Sector
(2019-12)Equatorial spread F (ESF) is the name given, for historical reasons, to the manifestation of a broad range of ionospheric F-region irregularities observed at low latitudes. Since the report of ESF by Booker and Wells ... -
Radio-Frequency Communication Using Higher Order Gaussian Beams
(2018-05)Recent explosive growth in the number of wireless devices and demand for portable information content has led to the need for modern wireless systems with higher bandwidth to support faster data rates. It is necessary to ... -
RC Circuit Model-Based Anomaly Detection for Li-ion Batteries
(2018-05)With the increased use of Lithium ion batteries in a variety of applications, the presence of an anomaly proves to be a major concern as it not only affects the battery, but also affects the battery operated system. ... -
Reaction Time and the Task Evoked Pupil Response as Measures of Non-Volitional and Volitional Cognitive Effort
(2016-12)This study aimed to identify the utility of reaction time (RT) and the task evoked pupil response (TEPR) as measures of non-volitional and volitional cognitive effort. Stimulus probability was manipulated to measure ... -
Real Time Implementation of Direction of Arrival Estimation on Android Platforms for Hearing Aid Applications
(2018-08)Sound Source Localization (SSL) is one of the vital areas in signal processing, especially in hearing aid applications. SSL (or Direction of Arrival) helps to determine the location of the speaker via multiple fixed ... -
Real-time Assessment of Obstructive Sleep Apnea Using Deep Learning
(2021-05-14)Sleep quality assessments provide various measures to gauge the severity of Sleep Apnea. In the present, sleep quality testing is inconvenient for the patients in terms of both money and a comfortable environment. Evaluation ... -
Real-Time Simulink Implementation of Noise Adaptive Speech Processing Pipeline of Cochlear Implants
(2017-05)This thesis presents a real-time Simulink implementation of a noise adaptive speech processing pipeline for cochlear implants that was developed in a previous work. After providing an overview of each component or module ... -
Real-Time Single and Dual-Channel Speech Enhancement on Edge Devices for Hearing Applications
(2021-04-26)Speech Enhancement (SE) is an important module in the signal processing pipeline for hearing applications and it helps enhance the comfort of listening. Many single and dualmicrophone SE techniques have been developed by ... -
Real-Time Smartphone Apps Integrating Signal Processing Modules of Hearing Aids
(2018-05)This thesis covers the integration of several signal processing modules that appear in digital hearing aids as real-time smartphone apps. The modules that are considered for integration in the developed apps in this ... -
Real-Time Speech Processing Algorithms for Smartphone Based Hearing Aid Applications
(2021-04-26)Signal processing algorithms are extensively used in hearing aid applications to improve the quality and intelligibility of speech. The hearing aid device (HAD) signal processing pipeline consists of several key modules ... -
Realibility Assessment, Condition Monitoring and Lifetime Estimation of Silicon Carbide Mosfets
(2021-07-20)The reliability of power semiconductors is a highly critical topic due to their widespread industrial applications such as aerospace, oil and gas, transportation, and power grid. In recent years, Silicon Carbide (SiC) ... -
Reconsidering Bryan: William Jennings Bryan’s Advocacy of Causes Using Rights-Based Arguments
(2021-04-27)William Jennings Bryan was one of the most influential politicians in American history. This is true in spite of three losses as the national candidate of the Democratic Party for the office of President of the United ...