- AUETD Home
- Browsing by Author
Browsing by Author "Baginski, Michael"
Now showing items 1-20 of 20
- Sort by:
- issue date
- submit date
A 2.45 GHz Frequency-Selective Rectenna for Wireless Energy Harvesting
Ashtari, Reza (2016-05-16)
As the emphasis placed on renewable energies has grown over recent years, a necessity for innovative methods of providing alternative energy sources has emerged. With most modern communication systems utilizing radio ...
A 4.7 Tesla 4-Channel Transmit and Receive MRI Quadrature Birdcage Coil Design and Fabrication for Monkey Head imaging
Sun, Xiaotong (2013-07-10)
Magnetic Resonance Imaging (MRI) is an image modality used for clinical diagnosis as well as general imaging research. Functional magnetic resonance imaging or functional MRI (fMRI) is an MRI procedure that measures brain ...
Ambiguous Energy Suppression in Encryption Derived Pseudo-Random BPSK Radar Signals
Kamrath, Luke (2021-12-01)
In this thesis, a pseudo-random binary phase shift keying (BPSK) radar signal is developed using Advanced Encryption Standard (AES-192). The primary objective of this encryption based BPSK (E-BPSK) signal is to provide a ...
Analysis, Design and Construction of an LLC Resonant Converter
Pu, Shi (2016-05-02)
The trend in DC/DC converters development is toward higher frequency, power density and efficiency. The traditional hard-switched converter is limited in switching frequency and power density. The phase-shift full-bridge ...
Broadband Radio Frequency Transmitter for Magnetic Resonance Imaging
Lu, Hai (2015-07-14)
In Magnetic Resonance Imaging (MRI) application, radio frequency (RF) coils play an important role to excite the nuclei inside the imaging subject and receive MR generated signals. To achieve optimal transmit efficiency/receive ...
Deep Learning Methods Using Levenberg-Marquardt with Weight Compression and Discrete Cosine Transform Spectral Pooling
Smith, James (2018-04-18)
State-of-the-Art Machine Learning methods achieve powerful results on practical problems in all data-driven industries. As these methods are improved, the hardware and training time necessary to implement them have grown ...
Design and Characterization of a Novel Filling Yarn Insertion System for Weaving Machines
Meeks, Steven (2012-04-11)
Weaving is a textile manufacturing process in which weft yarns are inserted by machines through a gap in the warp yarns called a shed to form a woven fabric through interlacing. The filling insertion systems that are ...
Electromagnetic induction systems for discrimination among metallic targets
Chilaka, Sailaja (2006-05-15)
This dissertation discusses the ability of time- and frequency-domain electromagnetic induction (EMI) systems to discriminate unexploded ordnance (UXO) from clutter. The chief contribution of this work is to demonstrate ...
Fast Estimation of Specific Absorption Rate for Magnetic Resonance Imaging
Shao, Yu (2015-07-02)
Specific absorption rate (SAR) is a main safety concern in magnetic resonance imaging (MRI). The radio frequency (RF) power deposition and SAR level have a significant impact on RF coil and pulse design. In high field MRI, ...
Finite Element Analysis of the Mesosphere's Electromagnetic Response to Large Scale Lightning Associated with Sprites and other Transient Luminous Events
Allgood, Michael (2008-05-15)
In this research, a numerical investigation of high altitude sprites and other mesospheric Transient Luminous Events induced by lightning is presented. A Finite Element Model is created using equations based on a modified ...
Hybrid Learning of Feedforward Neural Networks for Regression Problems
Wu, Xing (2014-12-12)
Inspired by the structure and functional aspects of the biological neural networks, the Artificial Neural Network (ANN) is a very popular model in the machine learning fields to learn complex relationships in the data. ...
Improved Nelder Mead’s Simplex Method and Applications
Pham, Nam (2012-03-27)
Derivative free optimization algorithms are often used when it is difficult to find function derivatives, or if finding such derivatives are time consuming. The Nelder Mead’s simplex method is one of the most popular ...
A Modified Genetic Algorithm for Design Peak Pulse Power in Nonlinear Transmission Lines
Lu, Hai (2011-04-29)
Non-linear transmission lines (NLTL) have become increasingly popular as a way to develop very high frequency, wide band waveforms that offer extremely fast rise times usually unobtainable by any other method. The applications ...
Neuro-Fuzzy System with Increased Accuracy Suitable for Hardware Implementation
Govindasamy, Kannan (2009-05-15)
Fuzzy controllers are easy to design for complex control surfaces but produce rough control surfaces which might lead to unstable operation. On the other hand neural controllers are hard and complex to train but they produce ...
Novel Techniques for the Design and Characterization of Electromagnetic Devices with Application to Multilayer Structures and Waveguide Filters
Faircloth, Daniel (2006-05-15)
In this work, optimization methods are presented for the analysis of inverse and design problems in electromagnetics. The current and future demands placed on design engineers necessitate the hybridization of forward ...
Numerical Modeling of Very Thin Dielectric Materials
Killian, Tyler (2008-08-15)
In this work, a Method of Moments (MoM) formulation is presented for the numerical solution of very thin dielectric materials in the frequency domain. The dielectric material is represented by a triangular mesh and a ...
Optimized Nonlinear Substrate Integrated Waveguide for Pulse Compression
Caudle, Byron (2013-04-15)
The time compression and associated frequency broadening of electromagnetic pulses has numerous applications in communication and radar systems. In this work, a new type of pulse compression device based on nonlinear ...
RF Design and Analysis of a Novel Elliptical Reduced Surface Wave Antenna for Wireless Applications
Jacobs, Joshua (2010-04-02)
The Reduced Surface Wave (RSW) antenna is a relatively new class of microstrip patch antenna. An RSW antenna has the ability to drastically reduce both surface and lateral wave radiation, which leads to an increase in ...
Stretch Processing Radar RFIC System Analysis and Front-end Design
Hubbard, Zachary (2012-04-16)
Current 0.13 u m SiGe BiCMOS technology allows for most of the components for an X- band radar to be fabricated on a single IC. This paper discusses system design and analysis of a stretch processing radar. The design ...
Utilizing Dual Neural Networks as a Tool for Training, Optimization, and Architecture Conversion
Hunter, David Shawn (2013-04-23)
Very little time has been devoted to the application of Dual Neural Networks and advances that they might produce by utilizing them for conversion between network architectures. By leveraging the efficiencies of the various ...