Browsing Auburn Theses and Dissertations by Department "Electrical Engineering"
Now showing items 161-180 of 278
A Low Power, Low Noise Phase Locked Loop MMIC for Ku- and X-Band Applications
(2009-03-23)
This paper presents the analysis, design, simulation, and test results for a Fractional-N
PLL frequency synthesizer. The synthesizer is designed to cover multiple frequency bands,
require low power, and have low noise. ...
Low Temperature Modeling of I-V Characteristics and RF Small Signal Parameters of SiGe HBTs
(2009-11-11)
SiGe HBT has been attached great attention recently to be used for space exploration due to its high-quality performance compared with conventional Si bipolar transistor over an extremely wide temperature range. The ...
A Low-Power Analog Bus for On-Chip Digital Communication
(2013-07-10)
At present, performance and efficiency of a system-on-chip (SoC) design depends significantly on the on-chip global communication across various modules on the chip. On-chip communication is mostly implemented using a bus ...
Machine Learning Approaches for Disease State Classification from Neuroimaging Data
(2013-05-01)
Automated recognition and classification of brain diseases are of tremendous value to society. Attention deficit hyperactivity disorder (ADHD) is a diverse spectrum disorder whose clinical diagnosis is based on behavior. ...
A MEMS Current Sensor Utilizing NdFeB Magnets
(2015-08-18)
The need for a current sensor in a 12V-1V DC-DC converter is discussed. Background topics of current sensing in DC-DC converters and magnetic MEMS are discussed. An iterative design process for a MEMS current sensor ...
Metamaterial Filters on LCP Substrate Using MEMS Technology
(2011-07-26)
Metamaterials have a wide range of potential uses in areas such as optics, transmission lines, and RF design. The simplest metamaterial structures are Split-Ring Resonators (SRR) and Complementary Split-Ring Resonators ...
A Method to Discriminate Between Flicker Sources
(2015-07-29)
This work is a discussion on discriminating between multiple flicker producing sources that are connected electrically close together in the power system. IEC 61000-4-15 provides a thorough description on how to build a ...
A Methodology for Estimating the Parameters of Steam Turbine Generator Shaft Systems for Subsynchronous Resonance Studies
(2012-07-31)
The increase of coal and nuclear power steam turbines over the past few decades combined with transmission line series capacitors creates a potential drawback known as subsynchronous resonance (SSR) by increasing the risk ...
Methods for Improving Generalization and Convergence in Artificial Neural Classifiers
(2011-08-26)
Artificial neural networks have proven to be quite powerful for solving nonlinear classification problems. However, the complex error surfaces encountered in such problems often contain local minima in which gradient based ...
Mextram Bipolar Transistor Model Parameter Extraction Using Python
(2015-11-17)
This work implements Mextram 504 parameter extraction using python. A 50 GHz SiGe
HBT is used to demonstrate e ectiveness of this developed extraction program. Comparisons
with results extracted using built-in mextram ...
Mobility Modeling, Prediction and Resource Allocation in Wireless Networks
(2010-10-29)
Rapid increase in the number of mobile and wireless users has created greater loads on legacy networks. Also, increased miniaturization of computing devices has led to an influx of handheld gadgets. Mobile users now wish ...
Modeling and Optimization of Parallel Matrix-based Computations on GPU
(2013-04-22)
As graphics processing units (GPUs) are continually being utilized as coprocessors, the demand for optimally utilizing them for various applications continues to grow. This work narrows the gap between programmers and ...
Modeling and Performance Analysis of GPS Vector Tracking Algorithms
(2009-12-17)
This dissertation provides a detailed analysis of GPS vector tracking algorithms and the
advantages they have over traditional receiver architectures. Standard GPS receivers use a
decentralized architecture that separates ...
A Modified Genetic Algorithm for Design Peak Pulse Power in Nonlinear Transmission Lines
(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 ...
Modulation and Control of Energy Feedback Voltage Source Inverter and Matrix Converter
(2015-07-29)
In this research work, the modulation and control of energy feedback voltage source inverters and matrix converters are investigated. This paper analyzes the basic principle of the space vector pulse width modulation ...
Motion Estimation from Tagged MR Images and Application to Cardiac Strain Evaluation and Functional Analysis of Ocular Tissues
(2015-09-23)
Tagged MRI is a magnetic resonance imaging technique that has been widely applied to tissue functional evaluation, especially the myocardium. Unlike traditional anatomical imaging methods, tagged MRI spatially encodes the ...
Multi-Objective Direct Quasi-Sliding Mode Control of a Two Phase Buck Converter
(2012-07-20)
Multiphase converters are the state of the art for high efficiency point-of-load conversion for modern processors and FPGAs with wide operating load conditions. However, there are a variety of control issues that must be ...
Multi-Robot Frontier Based Map Coverage Using the ROS Environment
(2014-04-25)
Cooperative robotics deals with multiple robot platforms working to accomplish a common
goal and has a multitude of applications including security, surveying, search and rescue,
and many more. The use of multiple robots ...
Multi-robot SLAM and map merging
(2015-05-04)
Although it is a very useful technique for a robot to detect an unknown environment and plot the map, mapping is a classic problem in robotics. The mapping task can be sped up by multi-robot cooperation. Each robot in a ...
Net Diagnosis Using Stuck-at and Transition Fault Models
(2011-11-02)
As deep sub-micron technologies are widely adopted in modern VLSI design and fabrication process, the shrinking size and increasing complexity of digital circuits make it more difficult to maintain a high yield. Diagnosis ...