Browsing Department of Electrical Engineering by Issue Date
Now showing items 61-80 of 647
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ARRIBOT- An Enabler For Studying Mobile Wireless Sensor Networks
(Electrical Engineering, 2007-08-23)The objective of this thesis is to structure a mobile wireless sensor network using low cost, custom made robotic platforms. Over the years, several projects have proved that the performance of a static wireless sensor ... -
Simulation And Development Of Nanoscale Deposition Techniques Using Kinetic Monte Carlo
(Electrical Engineering, 2007-08-23)Modeling of deposition processes has become of extreme importance due to the small scale of devices and features as well as the reduction of time to market required by industry. Current modeling procedures have focused ... -
Human Performance Multimeter: Investigation Of The Fourth Generation Prototype
(Electrical Engineering, 2007-08-23)The focus of this thesis is the development and investigation related to the newest prototype version of the Human Performance MultiMeter (HPMM). Version 4 is a technologically advanced, compact, portable and self-contained ... -
Structure & Decision In Mobile Wireless Sensor Networks
(Electrical Engineering, 2007-08-23)This work concerns the development of a novel structure of Discrete Event Controller (DEC) for mobile wireless sensor networks consisting of mobile robots and stationary wireless sensing nodes known as Unattended Ground ... -
Dynamic Voltage Restorer For Sensitive Equipment
(Electrical Engineering, 2007-08-23)Voltage sags are considered to be the most frequent type of disturbances in the field based on recent power disturbances studies. Their impact on sensitive loads is severe. The impact ranges from load disruptions to ... -
Time Synchronization In Network-centric Sensor Networks
(Electrical Engineering, 2007-08-23)Time synchronization is a crucial component of infrastructure for wireless sensor networks (WSN). Most applications of WSNs make extensive use of time synchronization, for accurate timestamping of events, coordinate ... -
Localization Algorithms For Passive Targets In Radar Networks
(Electrical Engineering, 2007-08-23)In this study, we propose an improved, robust algorithm for passive targets in radar networks. The main objective of this work is to improve the localization accuracy of the algorithm based on signal properties in combination ... -
Design, Fabrication And Assembly Of 3-D Microstructures
(Electrical Engineering, 2007-08-23)The primary goal of a micro-electro-mechanical system (MEMS) is to integrate electronics, sensors and actuators into a tiny system, which can be easily fabricated and packaged. Currently there is no standard process for ... -
Performance Analysis And Design Of Space-time Codes
(Electrical Engineering, 2007-08-23)In this dissertation, performance and design of space-time codes have been studied. The main objective of this dissertation has been to improve the performance of space-time codes. This dissertation covers a wide range of ... -
Dynamic Stability Analysis Of Large-scale Power Systems Using A Fast Investigation Method
(Electrical Engineering, 2007-08-23)Following power market deregulation and the proposed standard market design, the activities of cross boundary power transactions are increased significantly. Traditional company based stability analysis can not satisfy ... -
Wavelet Domain Diversity Method For Transmission Of Images Over Wireless Sytems Using Hybrid (OFDM-CDMA-SFH) Concept And Its Real Time Implementation In TMS320C6713 DSP Development Board
(Electrical Engineering, 2007-08-23)In this thesis a new OFDM based wavelet domain diversity combining method is proposed to combat errors during image transmission on wireless channels. A novel concept of utilizing OFDM sub-carriers to attain diversity is ... -
RF MEMS And Integrated Manufacturing For Miniaturized Millimeter-wave Systems
(Electrical Engineering, 2007-08-23)Recently millimeter-wave systems have attracted more attentions in applications owing to their short wavelengths, high resolutions, broad bandwidths and high environmental tolerance. However, the great challenges of high ... -
Fabrication, Characterization And Hall Mobility Analysis Of MOS Devices With Low-k And High-k Dielectric Materials
(Electrical Engineering, 2007-08-23)Scaling of MOSFETS has led to leakage current problems in SiO2 dielectric based MOSFETS. This has led to the introduction of high-k dielectric materials which can afford greater physical thickness and achieve the same ... -
RF Sputtered SixGe1-x and SixGe1-xOy Thin Films For Uncooled Infrared Detectors
(Electrical Engineering, 2007-08-23)The objective of this work is to find a suitable combination of radio frequency (RF) sputtered SixGe1-x and SixGe1-xOy thin films for uncooled infrared detection. Thus, fabricating and characterizing microbolometers with ... -
CMOS 5th Derivative Gaussian Impulse Generator For UWB Application
(Electrical Engineering, 2007-08-23)A complete impulse generating system was designed and simulated which generates the fifth order derivative of the Gaussian pulse intended for use in an impulse-type ultra-wideband wireless communication system. By using ... -
Fiber Optic Scanner Using Electromagnetic Actuation With Different Ferromagnetic Materials
(Electrical Engineering, 2007-08-23)A fiber optic scanner capable of scanning medical imaging actuated by an external magnetic field is designed and characterized using different magnetized and non magnetized ferromagnetic materials. Cobalt, Iron, Nickel, ... -
Data-logging & Supervisory Control In Wireless Sensor Networks
(Electrical Engineering, 2007-08-23)This thesis mainly emphasizes on the inclusion and implementation of the Supervisory control unit in the wireless sensor networks with a brief overlook on the cross-bow sensors and mobile sentry robots. The aim of this ... -
Observer Synthesis For Linear/nonlinear Dynamical Systems Subject To Measurement Delays
(Electrical Engineering, 2007-08-23)In this research, problems associated with communication delays on the stability of formation of a group of unmanned vehicles is examined and solution to this problem is proposed. Ideally, it is required that the information ... -
Low Phase Noise Voltage-controlled Oscillator Design
(Electrical Engineering, 2007-08-23)Two kinds of voltage-controlled oscillators (VCO) - active inductor based VCO and LC cross-coupled VCO - are studied in this work. Although the phase noise performance is not competitive, the proposed active inductor based ... -
FPGA Prototyping For Fast And Efficient Verification Of ASIC H.264 Decoder
(Electrical Engineering, 2007-08-23)To improve compression efficiency, recent video compression standards such as H.264 use complex algorithms and various modes that demand more computational power. Consumer electronics industry requires a low power, compact ...