Filters: Department: "Electrical & Computer Engineering" Collection: "ir_uspace" Type: "Text" Format: "application/pdf"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 76 |
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Simpson, Jamesina J. | A magnetic field-independent absorbing boundary condition for magnetized cold plasma | An effective absorbing boundary condition (ABC) based on the second-order approximations of Engquist and Majda's wave equations is presented for terminating three-dimensional finite-difference time-domain (FDTD) models employing the E-J collocated magnetized cold plasma algorithm. Numerical tests de... | 2011-01-01 | |
| 77 |
 |
Khan, Faisal Habib | A low-cost non-mechanical maximum power point tracking scheme for grid-tied single-phase induction generators | A new configuration of a single-phase induction generator based power generation system with maximum power point tracking capability is proposed in this paper, and this configuration is suitable for small-scale variable speed wind energy conversion system. Using this technique, the synchronous speed... | 2012-01-01 | |
| 78 |
 |
Khan, Faisal Habib | A high-efficiency modular switched-capacitor converter with continuously variable conversion ratio | The multilevel modular capacitor clamped converter (MMCCC) topology overcomes the difficulties of the multilevel switched capacitor (SC) based dc-to-dc converters in high conversion ratio applications. MMCCC is completely modular and has many other advantageous features. Like most other SC converter... | 2012-01-01 | |
| 79 |
 |
Mastrangelo, Carlos H. | A high-resolution flexible tactile imager system based on floating comb electrodes | Flexible high-resolution contact force imagers are needed in many applications for robotic grippers and gait analysis, but its intrinsic intimate contact requirement often causes breaking of top metallization layers and failure in a short time. The use of floating electrodes has significantly improv... | 2012-01-01 | |
| 80 |
 |
Furse, Cynthia M. | A history & future of implantable antennas | Implantable antennas have been used for communication with medical implants for decades. This paper traces their roots from early transcutaneous inductively coupled devices to the microstrip and wire antennas in use today. A suggestion for where this technology may go in the future as medical device... | 2014-01-01 | |
| 81 |
 |
Khan, Faisal Habib | AC solar cells: An embedded "all in one" PV power system | Power converters constructed from discrete components are difficult to mass produce, and the installation involves a significant labor cost to have the proper interconnection among the panel, inverter and the grid. These facts indicate that the present PV technology may not be able to address the ch... | 2012-01-01 | |
| 82 |
 |
Mathews, V. John | Blind identification of QAM signals using a likelihood-based algorithm | This paper presents a method for automatically identifying different QAM modulations. This method identifies the modulation type as the hypothesis for which the likelihood function of the amplitudes of the received signal is the maximum. The derivation of the likelihood functions assumes additive wh... | 2013-01-01 | |
| 83 |
 |
Furse, Cynthia M. | System level analysis of noise and interference analysis for a MIMO system | Multiple input multiple output antenna communication system are gaining importance in the field of communication and ad-hoc networks due to increase demand for wireless throughput in band-limited channels. A system analysis is not complete without accounting for the system level noise and interfer... | 2008-07 | |
| 84 |
 |
Mathews, V. John; Schlegel, Christian | A blind adaptive projection receiver for CDMA systems | Abstract - This paper presents a blind and adaptive CDMA receiver that does not require knowledge of the spreading codes associated with users other than the ones of interest. Receivers for synchronous as well as asynchronous transmission by multiple users with error control coding are develope... | 1998 | |
| 85 |
 |
Stevens, Kenneth | Practical verification and synthesis of low latency asynchronous systems | A new theory and methodology for the practical verification and synthesis of asynchronous systems is developed to aid in the rapid and correct implementation of complex control structures. Specifications are based on a simple process algebra called CCS that is concise and easy to understand and use.... | 1994 | |
| 86 |
 |
Rieth, Loren W; Tathireddy, Prashant; Harrison, Reid R.; Solzbacher, Florian | Long term in vitro stability of fully integrated wireless neural interfaces based on Utah slant electrode array | We herein report in vitro functional stability and recording longevity of a fully integrated wireless neural interface (INI). The INI uses biocompatible Parylene-C as an encapsulation layer, and was immersed in phosphate buffered saline (PBS) for a period of over 150 days. The full functionality (... | 2010 | |
| 87 |
 |
Furse, Cynthia M. | Feasibility of spread spectrum sensors for location of arcs on live wires | Spread spectrum methods are an important emerging class of sensors that have the potential to locate small, intermittent faults on energized aircraft power circuit wires. Previous work has demonstrated the use of these methods for hard faults (open and short circuits). This paper extends that work ... | Spread spectrum sensors; Wire fault location; Live wires | 2005-12 |
| 88 |
 |
Tasdizen, Tolga | Detection of salient image points using principal subspace manifold structure | This paper presents a method to find salient image points in images with regular patterns based on deviations from the overall manifold structure. The two main contributions are that: (i) the features to extract salient point are derived directly and in an unsupervised manner from image neighborhoo... | 2010 | |
| 89 |
 |
Furse, Cynthia M. | Mixed-signal reflectometer for location of faults on aging wiring | Location of faults on aging cables is of great interest to maintainers of aircraft, cars, power distribution systems, communication systems, etc. One class of methods for locating faults is frequency domain reflectometry (FDR), using sine waves as the forcing function. A new frequency domain method... | Mixed signal reflectometer; Fault location; Aging wiring; Nondestructive evaluation; Reflectometry | 2005-12 |
| 90 |
 |
Myers, Chris J. | Timed circuit synthesis using implicit methods | The design and synthesis of asynchronous circuits is gaining importance in both the industrial and academic worlds. Timed circuits are a class of asynchronous circuits that incorporate explicit timing information in the specification. This information is used throughout the synthesis procedure to... | 1999 | |
| 91 |
 |
Mathews, V. John; Schlegel, Christian | A blind projection receiver for coded CDMA systems | ABSTRACT This paper presents a blind adaptive CDMA receiver that requires no knowledge of the spreading codes, the delays, and the energy of the received signals associated with the interfering users. Our receiver is based on linear interference cancellation and adaptive interference signal subspa... | 1999 | |
| 92 |
 |
Stringfellow, Gerald B. | Effects of V/III ratio on ordering in GaInP: atomic scale mechanisms | Ga0.5In0.5P layers have been grown by organometallic vapor-phase epitaxy using various values of input V/III ratio for two phosphorus precursors, phosphine, the conventional precursor, and tertiarybutylphosphine (TBP), a newly developed, less-hazardous precursor. For growth on nominally (001) GaAs s... | Photoabsorption spectroscopy; Transmission electron diffraction; Phosphorus precursor | 1996-05-01 |
| 93 |
 |
Blair, Steven | Optical characterization of coupled resonator slow-light rib waveguides | We report on the design, fabrication and optical characterization of a slow light waveguide created using a linear array of coupled resonators in a large cross-section rib waveguide. Structures with as many as 25 high aspect ratio resonators are experimentally investigated. The measured propagation ... | 2010 | |
| 94 |
 |
Furse, Cynthia M. | Miniaturized biocompatible microstrip antenna using genetic algorithm | Biocompatible antennas are an area of recent research that can facilitate remote communication with medical implants. This paper shows several possible designs of a "waffle-type" antenna created using genetic algorithms (GAs) that are of a size potentially suitable for cardiac pacemakers in 402-405 ... | 2005 | |
| 95 |
 |
Harrison, Reid R. | Wide-linear-range subthreshold CMOS transconductor employing the back-gate effect | We present a CMOS circuit that utilizes the back-gate effect to extend the linear range of a subthreshold MOS transconductor. Previous designs of wide-linear-range transconductors using bipolar transistors employed multiple differential pairs with input offset voltages used to shift the individ... | 2002-01-01 | |
| 96 |
 |
Harrison, Reid R. | Mobile robot navigation in enclosed large-scale space | In a large-scale s ace, navigation may occur among very dispersed landmarks, further apart than the range of sensing of an autonomous vehicle. In this work we investigate the feasibility of construction of a landmark-based cognitive map, whose elements are the obstacles perceived by a robotic vehicl... | 1994-01-01 | |
| 97 |
 |
Harrison, Reid R. | Sweep strategies for a sensory-driven, behavior-based vacuum cleaning agent | In the Machine Intelligence Laboratory, University of Florida, we have built a small autonomous robot and programmietd to exhibit various reactive behaviors.T he robot, namedG ator,p erformsa rea coveragein an interior room by combining distinct behaviors. Gator has 26 sensors of which only 7 are... | Sweeping behavior; Claustrophobia | 1993-01-01 |
| 98 |
 |
Furse, Cynthia M.; Farhang, Behrouz | Integration of signals/systems and electromagnetics courses through the design of a communication system for a cardiac pacemaker | As students go through a traditional ECE program, they learn a great deal about individual components and tools: transistors, op amps, diodes, resistors, transmission lines, and Fourier transforms. In a traditional lab they build and test these individual units. But when the lab is done, whether or... | Biomedical communication; Electrical engineering education | 2005-04 |
| 99 |
 |
Stringfellow, Gerald B. | InAsSbBi alloys grown by organometallic vapor-phase epitaxy | Provides information on a study on the growth of InAsSbBi alloys by organometallic vapor-phase epitaxy. Experiment; Results and discussion; Conclusion. | Alloys; Epitaxy; Organometallic Compounds | 1994 |
| 100 |
 |
Harrison, Reid R. | Custom multielectrode array with integrated low-noise preamplifiers | Multielectrode arrays (MEAs) have emerged as a leading technology for extracellular neural recording and stimulation. Their large number of recording sites promises to yield important insight into neural systems. As the density of recording sites increases, interfacing to each electrode becomes inc... | Electrode; Multielectrode arrays (MEA); Neural recording; Extracellular recording; Low-noise | 2003-01-01 |