Browsing by Subject "Electrical Engineering"
Now showing items 1-16 of 16
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A Hybrid Spectral-Element / Finite-Element Time-Domain Method for Multiscale Electromagnetic Simulations
(2010)In this study we propose a fast hybrid spectral-element time-domain (SETD) / finite-element time-domain (FETD) method for transient analysis of multiscale electromagnetic problems, where electrically fine structures with ... -
Attack Countermeasure Trees: A Non-state-space Approach Towards Analyzing Security and Finding Optimal Countermeasure Set
(2010)Attack tree (AT) is one of the widely used non-statespacemodels in security analysis. The basic formalism of ATdoes not take into account defense mechanisms. Defense trees(DTs) have been developed to investigate the effect ... -
DESIGN-FOR-TESTABILITY AND DIAGNOSIS METHODS TO TARGET UNMODELED DEFECTS IN INTEGRATED CIRCUITS AND MULTI-CHIP BOARDS
(2011)Very deep sub-micron process technologies are leading to increasing defect rates for integrated circuits (ICs) and multi-chip boards. To ensure the quality of test patterns and more effective defect screening, functional ... -
Growth, Characterization, and Modification of Vertically Aligned Carbon Nanotube Films for Use as a Neural Stimulation Electrode
(2010)Electrical stimulation is capable of restoring function to a damaged or diseased nervous system and can thereby improve the lives of patients in a remarkable way. For example, cochlear and retinal prostheses can help the ... -
Inference of Low-Dimensional Latent Structure in High-Dimensional Data
(2011)The problem of learning a latent model for sparse or low-dimensional representation of high-dimensional data has attracted significant attention for many years. This thesis focuses on learning latent models for sparse or ... -
Location-Aware Protocols for Energy-Efficient Information Processing in Wireless Sensor Networks
(2009)Advances in the miniaturization of microelectromechanical components have led to battery powered and inexpensive sensor nodes, which can be networked in an ad hoc manner to perform distributed sensing and information processing. ... -
Matrix-Assisted Pulsed Laser Evaporation of Conjugated Polymer and Hybrid Nanocomposite Thin Films: A Novel Deposition Technique for Organic Optoelectronic Devices
(2011)This dissertation develops a novel application of the resonant-infrared matrix-assisted pulsed laser evaporation (RIR-MAPLE) technique toward the end goal of conjugated-polymer-based optoelectronic device fabrication. Conjugated ... -
Midlatitude D Region Variations Measured from Broadband Radio Atmospherics
(2011)The high power, broadband very low frequency (VLF, 3--30 kHz) and extremely low frequency (ELF, 3--3000 Hz) electromagnetic waves generated by lightning discharges and propagating in the Earth-ionosphere waveguide can be ... -
Optimization of Fault-Insertion Test and Diagnosis of Functional Failures
(2011)Advances in semiconductor technology and design automation methods have introduced a new era for electronic products. With design sizes in millions of logic gates and operating frequencies in GHz, defects-per-million rates ... -
Organic/Inorganic Hybrid Nanocomposite Infrared Photodetection by Intraband Absorption
(2011)The ability to detect infrared radiation is vital for a host of applications that include optical communication, medical diagnosis, thermal imaging, atmospheric monitoring, and space science. The need to actively cool infrared ... -
PSTD Method for Thermoacoustic Tomography (TAT) and Related Experimental Investigation
(2009)In this work, the simulation (forward problem) and reconstruction (inverse problem) in Thermoacoustic Tomography (TAT) are studied using a pseudospectral time-domain (PSTD) method with 4th-order time integration.The objective ... -
Scalable Optical MEMS Technology for Quantum Information Processing
(2011)Among the various physical systems considered for scalable quantum information processing (QIP), individually trapped ions or neutral atoms have emerged as promising candidates. Recent experiments using these systems have ... -
Shielded Metal Waveguides with Uniform Electric Field Distributions
(2010)This research focuses on achieving uniformly distributed electric field within a metal waveguide. A rectangular waveguide centrally loaded with a dielectric product is investigated rst since rectangular waveguides are widely ... -
Spectral Image Processing Theory and Methods: Reconstruction, Target Detection, and Fundamental Performance Bounds
(2011)This dissertation presents methods and associated performance bounds for spectral image processing tasks such as reconstruction and target detection, which are useful in a variety of applications such as astronomical imaging, ... -
Unified Design and Optimization Tools for Digital Microfluidic Biochips
(2011)Digital microfluidics is an emerging technology that provides fluid-handling capability on a chip. Biochips based on digital microfluidics have therefore enabled the automation of laboratory procedures in biochemistry. By ... -
Wide-Dynamic-Range Continuous-Time Delta-Sigma A/D Converter for Low-Power Energy Scavenging Applications
(2011)Many medical, environmental, and industrial control applications rely on wide-dynamic-range sensors and A/D converter systems. For most photo-detector-based applications, the input-current is integrated onto a capacitor, ...
