Browsing Department of Electrical Engineering by Issue Date
Now showing items 21-40 of 647
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Device Level Vacuum Packaged Microbolometers On Flexible Substrates
(Electrical Engineering, 2007-08-23)Micromachined microbolometers on flexible substrate have been fabricated and characterized. Liquid polyimide PI5878G made by HD Microsystems has been used to form the flexible substrate. Semiconducting Yttrium-Barium-Copper-Oxide ... -
H-infinity Output Feedback Control: Application To Unmanned Aerial Vehicle
(Electrical Engineering, 2007-08-23)This dissertation presents new necessary and sufficient conditions for static output-feedback control of linear time-invariant systems using the H-Infinity approach. Simplified conditions are derived which only require the ... -
Design And Development Of Embedded DSP Controllers For Power Electronic Applications
(Electrical Engineering, 2007-08-23)Power applications like motor drives, inverters have complex algorithms that can be used to improve their efficiency. More often reduced manufacturing cost takes precedence over better efficiency. DSPs with their high ... -
Hourly Weather Forecast Analysis
(Electrical Engineering, 2007-08-23)Today, internet becomes one of the most important resources for useful information. However, since the authentic of the information is difficult to verify, one also has to take precaution when getting information from the ... -
Simulation And Characterization Of ZnSe/BeTe Resonant Tunneling Diode On Silicon
(Electrical Engineering, 2007-08-23)ZnSe/BeTe resonant tunneling diodes were grown on silicon with a ZnxBe1-xTe buffer layer using MBE (Molecular Beam epitaxy).These devices were processed and characterized. The devices showed multiple NDR (negative differential ... -
A Simulation Tool Suite For The Modeling And Optimization Of Multiple Quantum Well Structures
(Electrical Engineering, 2007-08-23)This thesis aims to develop a suite of computational tools for design, analysis, and simulation of semiconductor multiple quantum well structures with a user-friendly GUI. The research project focuses on the electrical and ... -
Analysis And Characterization Of Thermal Effects In Analog Circuits
(Electrical Engineering, 2007-08-23)Dielectrically Isolated Bipolar Junction Transistors (DIBJTs) are used in industry for high speed and high power applications. These devices suffer from thermal heating and are subjected to change in their characteristics. ... -
Phase Locked Loop For Radiation Hardened Environment
(Electrical Engineering, 2007-08-23)This thesis describes a Phase Locked Loop (PLL) design for operation within a radiation environment. Specific design architecture and techniques were implemented to help mitigate radiation effects that degrade PLL performance. ... -
Collision Response For Virtual Laparoscopic Surgery
(Electrical Engineering, 2007-08-23)During laparoscopic surgery the surgeon operates inside the abdomen guided by the 2D imagery of the operating area. This image is obtained via a camera inserted through a small incision. Laparoscopic surgery, in contrast ... -
Self-organization And Resource Allocation In Wireless Sensor Networks
(Electrical Engineering, 2007-08-23)In this dissertation, we utilize clustering to organize wireless sensors into an energy-efficient hierarchy. We propose a Medium-Contention Based ClusterHeadship Auction (MCCHA) scheme, through which sensors self-organize ... -
The Design And Analysis Of Optical Scanners For Optical Coherence Tomography
(Electrical Engineering, 2007-08-23)A miniature fiber optic scanner capable of two-dimensional scanning for medical imaging is designed and developed. The scanner is actuated externally using an electromagnet. Nickel gel, a soft ferromagnetic material, is ... -
Generalization Of Widely Linear Filtering Concepts For Equalization And Interference Suppression In PAM/QAM Systems
(Electrical Engineering, 2007-08-23)In PAM/QAM transmission systems, standard Minimum Mean Square Error (MMSE) linear (LE) or Decision Feedback Equalization (DFE) equalization methods are often used to suppress the detrimental effects inter-symbol and/or ... -
Simulation And E-beam Patterning Of Single Electron Transistor
(Electrical Engineering, 2007-08-23)Electron beam lithography is gaining widespread use as semiconductor industry. Current optical lithography techniques are limited to resolution of few hundreds of nanometers and suffer from diffraction problems. The focus ... -
Analysis Of Electromagnetic Field In A Switched Reluctance Machine From An Energy Conversion Perspective
(Electrical Engineering, 2007-08-23)With the recent advancement in power electronics and digital signal processors, switched reluctance machine (SRM) attracts more attention in high speed and harsh environment applications due to its rugged and robust ... -
Real-time Data Monitoring And Manipulation For Wireless Sensor Networks
(Electrical Engineering, 2007-08-23)The growth of Wireless Sensor Network research has brought about the need for tools to help developers rapidly develop applications for various platforms. In the pursuit of these capabilities, this work deals with the ... -
Shared Data Acquisition System For Real-time Power Systems Applications
(Electrical Engineering, 2007-08-23)Digital signal processing chip (DSP's) can be used to perform data analysis computation and have very good performance in real-time system. Digital filters can be designed with consideration of both magnitude and phase ... -
Effects Of Base Station Power Control And Soft Handoff On The Outage And Capacity In The Forward Link Of CDMA Systems
(Electrical Engineering, 2007-08-23)This thesis focuses on the capacity analysis of the forward link of code division multiple access (CDMA) systems by characterizing the base station (BS) power distribution. With the rapid growth of data and multi-media ... -
A Piecewise Linear Classifier
(Electrical Engineering, 2007-08-23)A piecewise linear network is discussed which classifies N-dimensional input vectors. The network uses a distance measure to assign incoming input vectors to an appropriate cluster. Each cluster has a linear classifier for ... -
Adaptive Sampling With Mobile WSN
(Electrical Engineering, 2007-08-23)The spatiotemporally varying network topology of mobile sensor networks makes it very suitable for applications such as reconstruction of environmental fields through sampling at locations that maximally reduce the largest ... -
An Emission Model For Lunar Regolith Surfaces Based On Matrix Doubling Method
(Electrical Engineering, 2007-08-23)An emission model based on Matrix Doubling Method is implemented for the calculation of emission signatures from the lunar regolith surfaces. The matrix doubling method is used to solve the radiative transfer equations ...