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Now showing items 31-40 of 56
Wireless Communication of a Chaotic Waveform
(2015-05-18)
Over the past couple of decades, mathematical equations have been developed that successfully model natural phenomena that occur in various fields such as chemistry, biology, and fluid mechanics. These equations, however ...
Analog Computation of a High Frequency Exactly Solvable Chaotic Communications System Using State Variable Networks
(2015-05-18)
The design of a high frequency, chaotic oscillator and linear matched filter has been shown as a viable means of electronic communication. Although many chaotic systems are noted for complex or unpredictable behavior, a ...
Carbon Nanotube Vacuum Tube Diode RFID Tag
(2015-08-19)
Carbon Nanotubes (CNTs) have been studied for the past two decades and their research continues with new commercial and practical purposes. The structure of carbon and the many shapes it can form makes it an extremely ...
Digital Implementation of Current-Mode Control for Power Factor Correction
(2015-12-03)
Presented in this dissertation is the implementation of power factor correction (PFC) preregulators controlled by a single microcontroller. Two microcontroller-based PFC preregulator systems, with input voltage sensing ...
Integrated EEG Acquisition System for MRI Electromagnetic Environment Applications
(2015-07-27)
From detail analysis on origins of artifacts which influences EEG signal quality and compared with traditional simultaneous MRI/EEG acquiring system [3], an in-bore MRI electromagnetic environment compatible EEG signal ...
Design and Implementation of Digital Current Mode Control
(2015-05-11)
Presented in this dissertation are three digital control methods of current mode control for switch-mode power supplies. Both the current and voltage loop are implemented on the digital processor. Digital versions of peak ...
Designs of Substrate Integrated Waveguide (SIW) and Its Transition to Rectangular Waveguide
(2015-05-11)
There has been an ever increasing interest in the study of substrate integrated waveguide (SIW) since 1998. Due to its low loss, planar nature, high integration capability and high compactness, SIW has been widely used to ...
Note Detection and Multiple Fundamental Frequency Estimation in Piano Recordings
(2015-12-10)
Automatic music transcription (AMT) is a difficult signal processing problem, which has, in the past decade or two, begun to receive proper treatment. An overview of the problem with a focus on the nature of music signals ...
Secure Design Considerations for Embedded Systems
(2015-12-04)
A guide is presented for embedded system designers that details secure design considerations for modern embedded systems. The guide focuses on adapting traditional software design practices to include adapted methodologies ...
Optimization of High Power Gallium Nitride Based Point of Load Converters for Data Center Power Supply Chains
(2015-04-30)
Wide-bandgap semiconductors are enabling higher efficiency, greater power density, smaller size, and higher switching frequency than traditional Si semiconductors. This work shows the development of an over 96% efficient ...