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Exploitation Of Unintentional Information Leakage From Integrated Circuits, William E. Cobb
Exploitation Of Unintentional Information Leakage From Integrated Circuits, William E. Cobb
Theses and Dissertations
Unintentional electromagnetic emissions are used to recognize or verify the identity of a unique integrated circuit (IC) based on fabrication process-induced variations in a manner analogous to biometric human identification. The effectiveness of the technique is demonstrated through an extensive empirical study, with results presented indicating correct device identification success rates of greater than 99:5%, and average verification equal error rates (EERs) of less than 0:05% for 40 near-identical devices. The proposed approach is suitable for security applications involving commodity commercial ICs, with substantial cost and scalability advantages over existing approaches. A systematic leakage mapping methodology is also proposed to …
Linear-Quadratic Control Of A Mems Micromirror Using Kalman Filtering, Jamie P. Schnapp
Linear-Quadratic Control Of A Mems Micromirror Using Kalman Filtering, Jamie P. Schnapp
Theses and Dissertations
The deflection limitations of electrostatic flexure-beam actuators are well known. Specifically, as the beam is actuated and the gap traversed, the restoring force necessary for equilibrium increases proportionally with the displacement to first order, while the electrostatic actuating force increases with the inverse square of the gap. Equilibrium, and thus stable open-loop voltage control, ceases at one-third the total gap distance, leading to actuator snap-in. A Kalman Filter is designed with an appropriately complex state dynamics model to accurately estimate actuator deflection given voltage input and capacitance measurements, which are then used by a Linear Quadratic controller to generate a …
Characterization And Discrimination Of Large Caliber Gun Blast And Flash Signatures, Bryan J. Steward
Characterization And Discrimination Of Large Caliber Gun Blast And Flash Signatures, Bryan J. Steward
Theses and Dissertations
Two hundred and one firings of three 152 mm howitzer munitions were observed to characterize firing signatures of a large caliber gun. Muzzle blast expansion was observed with high-speed (1600 Hz) optical imagery. The trajectory of the blast front was well approximated by a modified point-blast model described by constant rate of energy deposition. Visible and near-infrared (450 - 850 nm) spectra of secondary combustion were acquired at 0.75 nm spectral resolution and depict strong contaminant emissions including Li, Na, K, Cu, and Ca. The O2 (X-b) absorption band is evident in the blue wing of the potassium D lines …
Link Performance Analysis For A Proposed Future Architecture Of The Air Force Satellite Control Network, Eric W. Nelson
Link Performance Analysis For A Proposed Future Architecture Of The Air Force Satellite Control Network, Eric W. Nelson
Theses and Dissertations
The Air Force Satellite Control Network (AFSCN) is a worldwide network of ground stations that support a wide variety of users from the National Aeronautics and Space Administration (NASA) to the National Reconnaissance Office (NRO). The network performs tracking, telemetry, and commanding (TT&C) for these varied users. Users, located at Satellite Operations Centers (SOC), must compete for time on the AFSCN. This thesis demonstrates how to predict satellite link performance, specifically by users of the AFSCN. It will also demonstrate how users might use this capability to save spacecraft power. A tool was created called the AFSCN Link Predictor (LP) …
Rapid Development: A Content Analysis Comparison Of Literature And Purposive Sampling Of Afrl Rapid Reaction Projects, Andrew R. Smith
Rapid Development: A Content Analysis Comparison Of Literature And Purposive Sampling Of Afrl Rapid Reaction Projects, Andrew R. Smith
Theses and Dissertations
In the current environment of military operations requesting faster delivery schedules to counter insurgent tactics, the engineering team often searches for how to quickly deliver the 80% solution, typically in 6-12 months. These are labeled rapid development projects. A content analysis of best practices in commercial product development literature, where time to market is often a driving factor, was accomplished showing varying emphasis of systems engineering technical and technical management processes. Technical Planning, Stakeholders Requirements Development, and Architecture Design were identified as important processes. This analysis confirms preconceived notions of plan upfront and early by emphasizing the SE processes of …
Investigation Of Gallium Nitride Transistor Reliability Through Accelerated Life Testing And Modeling, Bradley D. Christiansen
Investigation Of Gallium Nitride Transistor Reliability Through Accelerated Life Testing And Modeling, Bradley D. Christiansen
Theses and Dissertations
Gallium nitride high electron mobility transistors are attractive to the DoD for their ability to operate at high frequencies, voltages, temperatures, and power. Yet, there are concerns about the reliability of these devices. Various degradation mechanisms and their causes are proposed in the literature. A variety of reliability tests were conducted to understand these mechanisms and causes. A multi-stressor experiment revealed different failure mechanisms than are in the literature. In particular, the devices tested at high voltage in the OFF state did not degrade significantly as suggested by others' reports. The validity of temperature-accelerated life testing when applied to GaN …
Electroluminescence Studies On Longwavelength Indium Arsenide Quantum Dot Microcavities Grown On Gallium Arsenide, John C. Ramsey
Electroluminescence Studies On Longwavelength Indium Arsenide Quantum Dot Microcavities Grown On Gallium Arsenide, John C. Ramsey
Theses and Dissertations
A comprehensive study of the electroluminescence of four GaAs/AlGaAs microcavity devices with InAs/GaInAs quantum dot active regions emitting near 1.3 µm was conducted. The four molecular beam epitaxial grown samples with AlAs oxide aperture confinement layers were fabricated, characterized, and optically modeled. Optical power transmission of the samples was modeled using Matlab and compared with measured transmission data. Resonant cavity light emitting diodes (RCLEDs) and three vertical cavity surface emitting laser (VCSEL) samples were fabricated and electro-optically characterized over a range of injection currents and temperatures. Devices achieved continuous wave room temperature lasing at 1.28 µm with an output power …
Kinetics Of The Electrical Discharge Pumped Oxygen-Iodine Laser, Matthew A. Lange
Kinetics Of The Electrical Discharge Pumped Oxygen-Iodine Laser, Matthew A. Lange
Theses and Dissertations
A systematic study of microwave discharges at 2.45 GHz has been performed through the pressure range of sustainable electric discharges in pure oxygen flows of 2 to 10 Torr. A corresponding study of 13.56 MHz has also been performed at pressures of 2, 4, and 7 Torr. Optical emissions from O2(a 1Δ), O2(b 1Σ), and O-atoms have been measured from the center of a μ-wave discharge. Discharge residence times from 0.1 to 5 ms have been reported. The O2(b 1Σ) emissions, with a spectral resolution of 0.01 nm, have been used to measure the temperature of the gas, which typically …
A Method For Measuring Programmatic Dependency And Interdependency Between Dod Acquisition Programs, Matthew B. Christensen
A Method For Measuring Programmatic Dependency And Interdependency Between Dod Acquisition Programs, Matthew B. Christensen
Theses and Dissertations
There is currently no accepted method for quantitative measurement of acquisition program interdependency. While some methods exist for measuring dependency or interdependency at the component or system level, these methods do not translate well to program interdependency measurement. The objective of this thesis is to provide a model for measuring acquisition program interdependency accurately and quantitatively. The model presented in this thesis uses four Interdependency Factors to identify dependency relationships between programs. Specific Interdependency Levels are then used to measure the strengths of those dependencies. The model also accounts for measurement of dependencies upon programs that are not directly connected, …
Pedagogy In Vietnamese International Schools, Robert Wilson
Pedagogy In Vietnamese International Schools, Robert Wilson
Theses and Dissertations
This thesis is a look at the evolutionary journey of applying dramatic pedagogy in a foreign land. It does not by any means specifically pertain to theatrical elements, but everything herein is a direct reflection on the training I received as a theatre practitioner. The last four years have also molded and defined what it means to be an American theatre student living, experiencing, and working in a land that is in many senses in infancy as a nation.
Development Of Photographic Dynamic Measurements Applicable To Evaluation Of Flapping Wing Micro Air Vehicles, Jeremy C. Murray
Development Of Photographic Dynamic Measurements Applicable To Evaluation Of Flapping Wing Micro Air Vehicles, Jeremy C. Murray
Theses and Dissertations
Developments in the area of flapping wing micro air vehicles (FWMAVs) of a small size and with limited range. This has lead to a great deal of interest in biomimetric designs based on flapping wing flyers, including the North American Hawkmoth (Manduca Sexta). By utilizing high speed photography and photogrammetry the dynamic flapping of the wing can be characterized for comparison with mathematical models, namely computational fluid dynamics (CFD) and finite element analysis (FEA).To successfully utilize high speed image capture, a method of successfully digitizing many data points in a short period of time needs to be developed. The effort …
A Comparative Evaluation Of An Educational Program Designed To Enable Mechanical Engineering Students To Develop Global Competence, Aaron Gerald Ball
A Comparative Evaluation Of An Educational Program Designed To Enable Mechanical Engineering Students To Develop Global Competence, Aaron Gerald Ball
Theses and Dissertations
The 'flattening of the world', using Thomas Friedman's phraseology, is driving corporations to increasingly use collaborative engineering processes and global teams to operate on a global scale. Globalization of the traditional university engineering curriculum is necessary to help students prepare to work in a global environment. More scalable and economically sustainable program types are needed to enable the majority of students to obtain a globalized education. The purpose of this research was to determine how effectively a global team- and project-based computer aided engineering course provided learning opportunities that enabled students to develop elements of global competence in comparison to …
Design And Synthesis Of Cationic Steroid Antimicrobial Compounds, Synthesis Of Glycolipids Recognized By Natural Killer T Cells And Development Of Tlr-1, Tlr-6 Heterodimer Binders And Studies Of Their Immunology Activities, Yanshu Feng
Theses and Dissertations
Cationic steroid antimicrobial agents (CSAs) are a family of bile acid derivatives. These compounds are amphiphilic and mimic endogenous antimicrobial peptides. The antimicrobial activities of CSA-13 have been investigated and due to portent bactericidal activities and low toxicity, a large amount of CSA-13 is demanded for clinic trails and other antimicrobial applications. During our studies, we optimized the synthetic route of CSA-13, so that it can be prepared at the kilogram, even in tons scale. We investigated three routes and one of them is suitable for industry, because only recrystallization is needed in the synthesis. Natural killer T cells (NKT …
Characterization Of The Role Nuclear Bmp2 (Nbmp2) Plays In Regulating Gene Expression, Fialka Grigorova
Characterization Of The Role Nuclear Bmp2 (Nbmp2) Plays In Regulating Gene Expression, Fialka Grigorova
Theses and Dissertations
The nBmp2 protein was first identified in a DNA affinity chromatography/mass spectrometry screen designed to detect proteins that interact with a cartilage-specific enhancer element (called D/E) from the type XI collagen gene Col11a2. The transcription factor SOX9, a protein from the Sox (SRY-related HMG box) family, binds to and activates gene expression from this enhancer. nBmp2 has no transcriptional activity of its own on this enhancer, but when co-transfected with SOX9 it increases SOX9's activation of D/E nearly 2-fold. SOX9 also activates cartilage-specific enhancer elements from the Col2a1, Col27a1, and Col9a1 genes. The purpose of this project …
Towards A Better Use: The Utah Shakespearean Festival, Teaching Artists, And Outreach Programs, Karen Marie Kidd
Towards A Better Use: The Utah Shakespearean Festival, Teaching Artists, And Outreach Programs, Karen Marie Kidd
Theses and Dissertations
Teaching Artists are an important component of the Utah Shakespearean Festival's Education Department's outreach touring program that visits K-12 schools throughout Utah each year. However, the Education Department could be using Teaching Artists in different and better ways to help K-12 teachers infuse theatre into their curriculum. This work looks carefully at the outreach offered by the Utah Shakespearean Festival's Education Department and then compares it to the outreach work being done by the Oregon Shakespeare Festival and Shakespeare Santa Cruz. Based on the analysis of the three festivals, assessment benchmarks are identified to aid the Education Department in evaluating …
A Floristic Survey Of The Lichens Of The Spring Mountains, Nevada, Usa, Monica W. Proulx
A Floristic Survey Of The Lichens Of The Spring Mountains, Nevada, Usa, Monica W. Proulx
Theses and Dissertations
This thesis is the culmination of a graduate research project involving a floristic survey of the lichens of the Spring Mountain National Recreation Area (SMNRA), Humboldt-Toiyabe National Forest, Nevada. The project was based on extensive collections made between 1997 and 2007 as part of an air pollution biomonitoring program and a baseline established by Larry St. Clair (BYU). The Spring Mountains are a sky island mountain range in the Mojave Desert located less than an hour northwest of Las Vegas. A floristic survey of the lichen communities in the Spring Mountains represents a major addition to our understanding of the …
Childhood Family Factors That Influenced The Enrollment Of College Students With Learning Disabilities, Abigail Kirk
Childhood Family Factors That Influenced The Enrollment Of College Students With Learning Disabilities, Abigail Kirk
Theses and Dissertations
The purpose of this study was to use qualitative measures to investigate the childhood family factors that influenced the enrollment of college students with learning disabilities. Six participants were interviewed, all of whom were registered through the University Accessibility Center at a four-year university and were served at some point during their school years for a learning disability. Interviews were held in a confidential location and lasted approximately thirty minutes. The interview protocol was constructed in a way that allowed participants to reflect on their experiences and tell their story in their own manner. Planned prompts were included to solicit …
Changes In Fruit And Vegetable Household Food Availability Among Low-Income Families Over A One-Month Period Of Time, Ann Alicia Wells
Changes In Fruit And Vegetable Household Food Availability Among Low-Income Families Over A One-Month Period Of Time, Ann Alicia Wells
Theses and Dissertations
Objective: There is little evidence of how fruit and vegetable (FV) household food availability changes over a one-month period among low-income households. The objective of this study was to analyze how FV variety and sustainability changes over a 4-week period.
Design: Inventories were conducted in low-income family households (n=49) once a week over a 4-week period. Trained researchers gathered the weights of all FV, including legumes, within the home. Previously determined mean container weights were subtracted to obtain the estimated weight of the FV. All weights were then converted to edible cups of FV, taking into account the weight that …
Influence Of Weak Interactions On Supramolecular Binding: Characterization Of Cucurbituril Complexes With Alkylmonoammonium Ions Using Fourier Transform Ion Cyclotron Resonance Mass Spectrometry, Ruijan Shi
Theses and Dissertations
This thesis focuses on using mass spectrometry-based techniques for characterizing the structure and behavior of cucurbituril complexes in the gas phase. Both solvent and counter ion effects can be completely eliminated in the gas phase and the intrinsic interactions in the system are directly shown in the experimental results. Chapter 1 introduces the structures, properties and host-guest chemistry of cucurbituril, and FTICR mass spectrometry including instrumentation, performance and working principles. Two mass spectrometry-based methods for supramolecular characterization, sustained off-resonance irradiation collision induced dissociation (SORI CID) and ion molecule equilibrium measurements, are also discussed in this chapter. Chapter 2 characterizes the …
Mechanism Of G Protein Beta-Gamma Assembly Mediated By Phosducin-Like Protein 1, Chun Wan Jeffrey Lai
Mechanism Of G Protein Beta-Gamma Assembly Mediated By Phosducin-Like Protein 1, Chun Wan Jeffrey Lai
Theses and Dissertations
G-protein coupled receptor signaling (GPCR) is essential for regulating a large variety of hormonal, sensory and neuronal processes in eukaryotic cells. Because the regulation of these physiological responses is critical, GPCR signaling pathways are carefully controlled at different levels within the cascade. Phosducin-like protein 1 (PhLP1) can bind the G protein βγ dimer and participate in GPCR signaling. Recent evidence has supported the concept that PhLP1 can serve as a co-chaperone of the eukaryotic cytosolic chaperonin complex CCT/TRiC to mediate G βγ assembly. Although a general mechanism of PhLP1-mediated G βγ assembly has been postulated, many of the details about …
The Relationship Between Elementary Principals' Conceptualizations Of Instructional Leadership And Their Perceived Use Of Time, Mardel S. Higginson
The Relationship Between Elementary Principals' Conceptualizations Of Instructional Leadership And Their Perceived Use Of Time, Mardel S. Higginson
Theses and Dissertations
The purpose of this study was to learn about how elementary principals conceptualized instructional leadership and whether the way they thought about leadership influenced their allotted use of time for instructional leadership. In order to answer this question, two sub-questions needed to be answered about how elementary principals conceptualized instructional leadership and how elementary principals perceived they used their time. This mixed-method study interviewed 30 principals in an urban-suburban school district in Utah to produce data. Each principal participated in a newly constructed survey of 84 questions. The survey consisted of four parts including demographics, open-ended questions about instructional leadership, …
A Qualitative Analysis Of A Junior High School Eating Disorder Prevention Program, Janine Ruth Stickney
A Qualitative Analysis Of A Junior High School Eating Disorder Prevention Program, Janine Ruth Stickney
Theses and Dissertations
Past research conducted in the areas of diagnosis and treatment of eating disorders have provided information in regards to understanding the epidemiology, base rates, damages and longitudinal course of eating disorders. Few studies, however, have focused on prevention, especially in adolescents. In this particular study, students in a Utah junior high school health class received preventative curriculum called, Eating Disorders: Physical, Social, and Emotional Consequences. Ten, female participants were then interviewed to explore their thoughts and feelings about their experiences and to qualitatively ascertain the success of the prevention program.
Impact Of Indigenous Language On Achievement And Emotional Conditions: A Case Study Of East European Students In Utah, Natalya Georgiyeva
Impact Of Indigenous Language On Achievement And Emotional Conditions: A Case Study Of East European Students In Utah, Natalya Georgiyeva
Theses and Dissertations
The importance of using an indigenous language as a medium of school instruction has been discussed in world education for a long time. This study focuses on the influence of the presence of a native language in the learning process of the students and the impact on their academic achievement, emotional conditions, and post-school lives. A qualitative method of research was used in the study, comprising 12 interviews among Ukrainian/Russian adopted and nonadopted students who attended Utah schools. Information obtained through interviews presented language levels of students (both native and English), academic achievement, and emotional conditions of students during the …
A General Model For Continuous Noninvasive Pulmonary Artery Pressure Estimation, Robert Anthony Smith
A General Model For Continuous Noninvasive Pulmonary Artery Pressure Estimation, Robert Anthony Smith
Theses and Dissertations
Elevated pulmonary artery pressure (PAP) is a significant healthcare risk. Continuous monitoring for patients with elevated PAP is crucial for effective treatment, yet the most accurate method is invasive and expensive, and cannot be performed repeatedly. Noninvasive methods exist but are inaccurate, expensive, and cannot be used for continuous monitoring. We present a machine learning model based on heart sounds that estimates pulmonary artery pressure with enough accuracy to exclude an invasive diagnostic operation, allowing for consistent monitoring of heart condition in suspect patients without the cost and risk of invasive monitoring. We conduct a greedy search through 38 possible …
The Use Of Various Failure Criteria As Applied To High Speed Wear, David A. Huber
The Use Of Various Failure Criteria As Applied To High Speed Wear, David A. Huber
Theses and Dissertations
This research has been aimed at developing methods to predict mechanical wear of sliding bodies at high velocities. Specifically, wear of test sled slippers at the Holloman High Speed Test Track at Holloman AFB, NM, is being considered. Developing a numerical model to represent the velocity range achieved at the test track is infeasible, so numerical modeling techniques must be adopted. Previous research has made use of finite element codes to simulate the high velocity sliding event. However, the extreme velocities at the test track can create numerical errors in the finite element codes. To avoid the numerical errors, an …
Coupled Radiation-Gasdynamic Solution Method For Hypersonic Shock Layers In Thermochemical Nonequilibrium, Christopher L. Martin Jr.
Coupled Radiation-Gasdynamic Solution Method For Hypersonic Shock Layers In Thermochemical Nonequilibrium, Christopher L. Martin Jr.
Theses and Dissertations
The purpose of this research was to develop a highly accurate computational method for calculating the nonequilibrium radiative heat transfer within reentry shock layers. The nonequilibrium state of the flowfield was solved using the multispecies multitemperature nonequilibrium flow solver NH7AIR which is capable of separately tracking the vibrational energy of each diatomic species and the energy of the free electrons. The calculation of radiative heat transfer was performed by utilizing the detailed line-by-line spectral radiation solver SPRADIAN. Two radiative transport schemes were implemented in this coupled code. The first scheme was the standard tangent slab solution method. The second scheme …
Development Of A Strontium-87 Ion Interferometer, Christopher Joseph Erickson
Development Of A Strontium-87 Ion Interferometer, Christopher Joseph Erickson
Theses and Dissertations
I present the construction of a low-velocity intense source (LVIS) of laser-cooled neutral strontium using permanent ring magnets. The LVIS consists of a magneto-optical trap from which cold strontium is extracted in a well-collimated beam. I also present the development and implementation of a full suite of low-noise, high-bandwidth laser control electronics including a microcontroller unit. This microcontroller remotely controls and monitors the current driver, temperature controller, and PID lock circuit for each diode laser simultaneously. The current driver output is accurate to within 2 micro-amps and repeatable to with a few nano-amps. The noise spectral density of the current …
Safety Issues Among Hispanic Construction Workers Along The Wasatch Front In Utah, Phavel Israel Loayza Chahuayo
Safety Issues Among Hispanic Construction Workers Along The Wasatch Front In Utah, Phavel Israel Loayza Chahuayo
Theses and Dissertations
During the last few decades immigration by foreigners seeking work in the construction industry in the United States has increased dramatically. Of those seeking jobs in construction, Hispanics represent the largest and fastest growing population. The proportion of reportable accidents among Hispanic on-site construction workers in the United States is higher than that of non-Hispanics. This trend of on-site construction accidents is evident not only in states that have traditionally high populations of Hispanics, such as New York, Florida, California, Arizona, and Texas, it is also manifested in the State of Utah. This research focused on causes of accidents among …
Chemical Templating By Afm Tip-Directed Nano-Electrochemical Patterning, Kyle A. Nelson
Chemical Templating By Afm Tip-Directed Nano-Electrochemical Patterning, Kyle A. Nelson
Theses and Dissertations
This work has examines the creation and use of chemical templates for nanocircuit and other nanodevice fabrication. Chemical templating can be useful in attachment, orientation and wiring of molecularly templated circuits. DNA origami provides a suitable method for creating molecularly templated circuits as DNA can be folded into complex shapes and functionalized with active circuit elements, such as semiconducting nanomaterials. Surface attachment of DNA origami structures can be accomplished by hybridization of dangling single-stranded DNA (ssDNA) on the origami structures with complementary surface-bound strands. Chemical templating provides a pathway for placing the patterned surface-bound attachment points needed for surface alignment …
A Horizontal Edges Bound For The Independence Number Of A Graph, Michelle Grigsby
A Horizontal Edges Bound For The Independence Number Of A Graph, Michelle Grigsby
Theses and Dissertations
The independence number alpha of a graph is the size of a maximum independent set of vertices. An independent set is a set of vertices where every pair of vertices in non-adjacent. This number is known to be hard to compute. The bound we worked with is defined as epsilon = max[e(v)-eh(v)] over all the vertices in the vertex set, V(G). e(v) is the number of vertices at even distance from v. eh(v) is the number of edges both of whose endpoints are at even distance from v. Epsilon can be calculated in polynomial time. Siemion Fajtlowicz proved that alpha …