Browsing by Subject "Engineering, Electronics and Electrical"
Now showing items 1-20 of 35
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A 3D Active Microwave Imaging System for Breast Cancer Screening
(2008-12-11)A 3D microwave imaging system suitable for clinical trials has been developed. The anatomy, histology, and pathology of breast cancer were all carefully considered in the development of this system. The central component ... -
A Serial Bitstream Processor for Smart Sensor Systems
(2010)A full custom integrated circuit design of a serial bitstream processor is proposed for remote smart sensor systems. This dissertation describes details of the architectural exploration, circuit implementation, algorithm ... -
A Study of Field Emission Based Microfabricated Devices
(2008-04-25)The primary goals of this study were to demonstrate and fully characterize a microscale ionization source (i.e. micro-ion source) and to determine the validity of impact ionization theory for microscale devices and pressures ... -
Analysis and Design of Electrodes for Deep Brain Stimulation
(2009)Deep brain stimulation (DBS) electrodes are intended to stimulate specific areas of the brain to treat movement disorders including essential tremor, Parkinson's disease and dystonia. An important goal in the design of next ... -
Automated Test Grading and Pattern Selection for Small-Delay Defects
(2009)Timing-related defects are becoming increasingly important in nanometer-technology integrated circuits (ICs). Small delay variations induced by crosstalk, process variations, power-supply noise, as well as resistive opens ... -
Bayesian Techniques for Adaptive Acoustic Surveillance
(2010)Automated acoustic sensing systems are required to detect, classify and localize acoustic signals in real-time. Despite the fact that humans are capable of performing acoustic sensing tasks with ease in a variety of situations, ... -
Chip Scale Integrated Optical Sensing Systems with Digital Microfluidic Systems
(2010)Data acquisition and diagnostics for chemical and biological analytes are critical to medicine, security, and the environment. Miniaturized and portable sensing systems are especially important for medical and environmental ... -
Coded Measurement for Imaging and Spectroscopy
(2009)This thesis describes three computational optical systems and their underlying coding strategies. These codes are useful in a variety of optical imaging and spectroscopic applications. Two multichannel cameras are described. ... -
Compressive Spectral and Coherence Imaging
(2010)This dissertation describes two computational sensors that were used to demonstrate applications of generalized sampling of the optical field. The first sensor was an incoherent imaging system designed for compressive measurement ... -
Computational spectral microscopy and compressive millimeter-wave holography
(2010)This dissertation describes three computational sensors. The first sensor is a scanning multi-spectral aperture-coded microscope containing a coded aperture spectrometer that is vertically scanned through a microscope ... -
Design and Applications of Frequency Tunable and Reconfigurable Metamaterials
(2009)The field of metamaterials has gained much attention within the scientific community over the past decade. With continuing advances and discoveries leading the way to practical applications, metamaterials have earned the ... -
Dopant Incorporation in InAs/GaAs Quantum Dot Infrared Photodetectors
(2009)Quantum Dot Infrared Photodetectors (QDIPs) are important alternatives to conventional infrared photodetectors with high potential to provide required detector performance, such as higher temperature operation and multispectral ... -
Effect of van der Waals forces on Retilce Nonflatness in Extreme Ultraviolet Lithography
(2010)Due to the increasing cost of the enhancement techniques in current projection lithographic techniques and the required time in developing new technology's as feasible manufacturing technology, EUVL is considered as ... -
Efficient Test Methods for RF Transceivers
(2010)Advancements of the semiconductor technology opened a new era in wireless communications which led manufacturers to produce faster, more functional devices in much smaller sizes. However, testing these ... -
Electromagnetic Metamaterials for Antenna Applications
(2010)This dissertation examines the use of artificial structured materials -- known as metamaterials -- in two antenna applications in which conventional dielectric materials are otherwise used. In the first application, the ... -
Fusion Methods for Detecting Neural and Pupil Responses to Task-relevant Visual Stimuli Using Computer Pattern Analysis
(2008-04-16)A series of fusion techniques are developed and applied to EEG and pupillary recording analysis in a rapid serial visual presentation (RSVP) based image triage task, in order to improve the accuracy of capturing single-trial ... -
Information-Based Sensor Management for Static Target Detection Using Real and Simulated Data
(2009)In the modern sensing environment, large numbers of sensor tasking decisions must be made using an increasingly diverse and powerful suite of sensors in order to best fulfill mission objectives in the presence of ... -
Investigating the Perceptual Effects of Multi-rate Stimulation in Cochlear Implants and the Development of a Tuned Multi-rate Sound Processing Strategy
(2009)It is well established that cochlear implants (CIs) are able to provide many users with excellent speech recognition ability in quiet conditions; however, the ability to correctly identify speech in noisy conditions or appreciate ... -
Localization of Dynamic Acoustic Sources with a Maneuverable Array
(2010)This thesis addresses the problem of source localization and time-varying spatial spectrum estimation with maneuverable arrays. Two applications, each having different environmental assumptions and array geometries, are ...
