Browsing Electrical & Computer Engineering Theses and Dissertations by Issue Date
Now showing items 1-20 of 1040
-
PRESENTATION OF A NEW HIGH-FREQUENCY COMMUNICATION SYSTEM PERFORMANCE PREDICTION TECHNIQUE
(1965)The prediction technique developed by the National Bureau of Standards has been used extensively by high-frequency communicators. An adaption of this technique is used to demonstrate the type of results obtained ... -
A Set of Karnaugh Map Manipulation Computer Routines for Use in Logic Design
(1968)The Karnaugh map provides a convenient visual aid for the manipulation of switching functions for both the design engineer and the student of logic design. Algorithms for the minimization of switching functions by the ... -
Some Characteristics of Broadband Delta-Sigma Modulation
(1971)This paper presents an analysis using correlation techniques of an idealized Delta-Sigma Modulation system. An analytical assumption of errors with a marginally Gaussian distribution is shown to yield accurate results ... -
Bleaching Kinetics of Visual Pigments
(1977)A rapid scanning microspectrophotometer (RMSP) has been developed and utilized to study the photoproducts resulting from the bleaching of rhodopsin in the isolated retina of the frog. The RMSP is capable of measuring ... -
New Methods for the Detection and Interception of Unknown, Frequency-Hopped Waveforms
(1990)Three new methods for the detection and interception of frequency-hopped waveforms are presented. The first method extends the optimal, fixed-block detection method based on the likelihood ratio to a sequential one based ... -
Networks for Fast and Efficient Unicast and Multicast Communications
(1992)This dissertation presents new results on networks for high-speed unicast and multicast communications which play key roles in communication networks and parallel computer systems. Specifically, (1) we present past parallel ... -
Data Acquisition Interface of a VLSI Cochlea Model
(1993)Computer models of cochlear processing take exceedingly long times to run, even for short data sets. A data acquisition system was developed for a new switched-capacitor VLSI cochlea model chip, in order to rapidly perform ... -
Analysis of Control Strategies for a Human Skeletal System Pedaling a Bicycle
(1995)The study of human locomotion has gained more attention recently with the availability of better analytic and computational tools with which to examine it. A subject under much study within the field today is the effort ... -
Modeling Multi-Band Effects of Hot-Electron Transport in Simulation of Small Silicon Devices by a Deterministic Solution of the Boltzmann Transport Equation Using Spherical Harmonic Expansion
(1998)Solution of Boltzmann equation by a spherical-harmonic expansion approach is a computationally-efficient alternative to Monte Carlo. In this dissertation we extend this technique to compute the distribution function in ... -
Multi-User Security: A Signal Processing and Networking Perspective
(2002)The advancements in communication and multimedia technologies have paved the way for a new suite of multi-user applications that will allow users to interact. Although the new communication infrastructure makes it easier ... -
ON ROUTING AND PERFORMANCE EVALUATION OF BUFFERED SPARSE CROSSBAR CONCENTRATORS
(2002-12-10)We investigate the routing and performance of sparse crossbar packet concentrators under a buffered network model. The concentration property in packet switching concentrators is defined with respect to packets instead ... -
Indium Phosphide Based Optical Micro-Ring Resonators
(2003-10-24)Micro-ring resonators are a strong candidate for the basic building blocks of very-large-scale-integrated optics. They can be used in many applications, such as filters, routers, switches, lasers, and amplifiers. They are ... -
Nonlinear Optical Semiconductor Micro-Ring Resonators
(2003-11-05)In the last few years, there has been a great interest in all-optical switching devices due to the high demand on optical communication systems and networks. Unlike conventional electronic switches, photonic switching ... -
Algorithms for Gait-Based Human Identification from a Monocular Video Sequence
(2003-11-12)Human gait is a spatio-temporal phenomenon that characterizes the motion characteristics of an individual. It is possible to detect and measure gait even in low-resolution video. This makes it an attractive modality in ... -
An Optimization Theoretical Framework for Resource Allocation over Wireless Networks
(2003-11-24)With the advancement of wireless technologies, wireless networking has become ubiquitous owing to the great demand of pervasive mobile applications. Some fundamental challenges exist for the next generation wireless network ... -
HIGH-IMPEDANCE ELECTROMAGNETIC SURFACES FOR MITIGATION OF SWITCHING NOISE IN HIGH-SPEED CIRCUITS
(2003-11-24)With the increasing gate density, the rising clock frequency, printed circuit board (PCB) level simultaneous switching noise (SSN) has become a major bottleneck for the signal integrity in high-speed microprocessors and ... -
Ultra-fast Optical Signal Processing For Digital Communications Using All-Optical Nonlinear Interactions In Semiconductor Optical Waveguides
(2003-11-25)In optical communications, clock recovery, optical time demultiplexing, and 3R regeneration are known as optical signal processing. Ultra-fast optical signal processing techniques are mandatory in future high-speed network ...