Browsing 2012 Theses (MU) by Thesis Department "Electrical and computer engineering (MU)"
Now showing items 1-19 of 19
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Automatic explosive hazard detection in FL-LWIR and FL-GPR data
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Detection of land mines and other buried explosive hazards, has been, and continues to be, a serious issue for military and civilian organizations. A ... -
Comparative study of ballistic transport in Si and GaAs using non equilibrium Green's function formalism
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The simulation study presented in this research has two basic objectives. The first objective is to establish a consistency in the results for quantum ... -
Design and analysis of a metamaterial with high refractive index at dual band frequencies
(University of Missouri--Columbia, 2012)The concept of a single frequency band, single high-refractive-index metamaterial has been extended and applied in the design of dual frequency band, dual high-refractive-index metamaterials in the THz regime. The structure ... -
Design and analysis of miniaturized implantable and wearable microstrip antennas
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] There is an increasing effort by hospitals, doctors and healthcare service providers to cut down the ever increasing cost of health care. One area of ... -
Design and experimental study of a dual vircator microwave source
(University of Missouri--Columbia, 2012)The research described in this thesis details the design, construction, and experimental results in developing a virtual cathode oscillator (vircator) high power microwave (HPM) source. The HPM source utilizes two independent ... -
Design and testing of helical antennas for a RF test facility
(University of Missouri--Columbia, 2012)RF facilities are necessary to accurately and systematically test multiple types of electronic devices in an electromagnetically quiet environment. Typical RF facilities consist of an anechoic chamber, a room that shields ... -
Development of new dielectric materials for pulsed power applications
(University of Missouri--Columbia, 2012)This study looks at the development of new dielectrics, which blend characteristic of different materials for use in high voltage capacitors and antennas. As new needs arise in electrical engineering including pulsed power ... -
Effects of front and bottom texturings on gallium arsenide solar cell characteristics
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The Gallium Arsenide solar cells are of particular interest in many applications due to its advantages over silicon. Its high absorptivity requires a ... -
GBIR crosstalk reduction of fully polarimetric data from Blue Springs Dam
(University of Missouri--Columbia, 2012)An investigation into reducing crosstalk from Blue Springs Dam GBIR fully polarimetric data was conducted. Advanced polarimetric processing and techniques often rely on precise phase measurement. One benefit of crosstalk ... -
Geometric image segmentation via transform invariant rank cuts
(University of Missouri--Columbia, 2012)This research propose a novel image segmentation algorithm, named as Transform Invariant Rank Cuts (TIRC). Based on salient 3D geometric information of natural scenes. The segmentation algorithm unities an emerging robust ... -
Ground based interferometric radar initial look at Longview, Blue Springs, Tuttle Creek, and Milford Dams
(University of Missouri--Columbia, 2012)Measuring millimeter and smaller deformation has been demonstrated in the literature using RADAR. To address in part the limitations in current commercial satellite-based SAR datasets, a University of Missouri (MU) team ... -
Investigation and optimization of a high voltage piezoelectric particle accelerator
(University of Missouri--Columbia, 2012)This thesis contains analysis of the piezoelectric effect as a means to produce high voltage. The goal of this analysis is to determine if piezoelectric transformers can be used effectively in compact x-ray source applications. ... -
Landmine classification using possibilistic K-nearest neighbors with wideband electromagnetic induction data
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In this thesis, a possibilistic K-nearest neighbor classifier is presented to distinguish between and classify mine and non-mine targets on data ... -
Nanogap embedded silver gratings for surface plasmon enhanced fluorescence
(University of Missouri--Columbia, 2012)Plasmonic nanostructures have been extensively used in the past few decades for applications in sub-wavelength optics, data storage, optoelectronic circuits, microscopy and bio-photonics. The enhanced electric field produced ... -
Photoconductive switching using wideband semiconductor materials
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] A solid state switch concept based on the photoconductive properties of the aluminum gallium nitride (AlGaN) and gallium nitride (GaN) semiconductors ... -
PIN photodiode controlled class E microwave power amplifier
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This project is to design, build and test a switched-mode class E amplifier operating at 1GHz, using a PIN photodiode as switch. In order to explore ... -
Signal generation for ultra-wideband short-range radar system
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] In this thesis work, an ultra-wideband signal generator circuitry is presented for the Ultra-wideband Short-range Radar Human ID System. Investigation ... -
Simultaneous electrophoretic deposition of copper oxide/aluminum nanothermite films
(University of Missouri--Columbia, 2012)[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] This research details simultaneous electrophoretic deposition (EPD) of copper-oxide/aluminum nanothermite films. Deposition parameters such as precursor ... -
Unstructured road detection in color imagery for the purpose of the automatic detection of explosive devices
(University of Missouri--Columbia, 2012)This thesis proposes a method for segmenting an unstructured dirt road in color space images using color and texture analysis. A support vector machine (SVM), or a Random Forest classifier is trained on samples of on and ...