Filters: Department: "Electrical & Computer Engineering" Collection: "ir_uspace" School Or College: "College of Engineering"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 301 |
 |
Mastrangelo, Carlos H. | Personal navigation via shoe mounted inertial measurement units | We are developing a personal micronavigation system that uses high-resolution gait-corrected inertial measurement units. The goal of this project is to develop a navigation system that use secondary inertial variables, such as velocity, to enable long-term precise navigation in the absence of Global... | 2010 | |
| 302 |
 |
Mathews, V. John | Adaptive volterra filters using orthogonal structures | Abstract- This paper presents an adaptive Volterra filter that employs a recently developed orthogonalization procedure of Gaussian signals for Volterra system identification. The algorithm is capable of handling arbitrary orders of nonlinearity P as well as arbitrary lengths of memory N for the sys... | 1995 | |
| 303 |
 |
Mathews, V. John | Stochastic gradient adaptive filters with gradient adaptive step sizes | This paper presents two adaptive step-size gradient adaptive filters. The step sizes are changed using a gradient descent algorithm designed to minimize the squared estimation error. The first algorithm uses the same step-size sequence for all the filter coefficients whereas the second algorithm use... | 1990 | |
| 304 |
 |
Mathews, V. John | A stochastic gradient adaptive filter with gradient adaptive step size | Abstract-This paper presents an adaptive step-size gradient adaptive filter. The step size of the adaptive filter is changed according to a gradient descent algorithm designed to reduce the squared estimation error during each iteration. An approximate analysis of the performance of the adaptive fil... | 1993 | |
| 305 |
 |
Myers, Chris J. | Efficient timing analysis algorithms for timed state space exploration* | Abstract This paper presents new timing analysis algorithms for efficient state space exploration during timed circuit synthesis. Timed circuits are a class of asynchronous circuits that incorporate explicit timing information in the specification which is used throughout the synthesis procedure t... | 1997 | |
| 306 |
 |
Furse, Cynthia M. | Frequency-domain reflectometery for on-board testing of aging aircraft wiring | Aging aircraft wiring poses a significant safety threat and has been implicated in losses of both military and commercial aircraft. This paper describes the conceptual design and function of a "smart wiring system" based on a low-cost frequency-domain reflectometer (FDR) that can be used to test th... | Frequency domain reflectometry; Aging wiring; On board testing | 2003-05 |
| 307 |
 |
Myers, Chris J. | Efficient exact two-level hazard-free logic minimization | Abstract This paper presents a new approach to two-level hazard-free sum-of-products logic minimization. No currently available minimizers for single-output literal-exact two-level hazard-free logic minimization can handle large circuits without synthesis times ranging up over thousands of seconds.... | 2001 | |
| 308 |
 |
Stringfellow, Gerald B. | Kinetically controlled order/disorder structure in GaInP | A Ga0.52In0.58p order/disorder heterostructure having a band-gap energy difference exceeding 160 meV has been grown by organometallic vapor phase epitaxy. The two layers were grown on a nominally (OOl)-oriented GaAs substrate misoriented by 3° toward the [110] direction in the lattice. The disorder... | Indium phosphides; Gallium Phosphides; Heterojunctions | 1994 |
| 309 |
 |
Myers, Chris J. | Direct synthesis of timed asynchronous circuits | This paper presents a new method to synthesize timed asynchronous circuits directly from the specification without generating a state graph. Our synthesis procedure begins with a deterministic signal transition graph specification to which timing constraints can be added. First, a timing analysis ex... | 1992 | |
| 310 |
 |
Tasdizen, Tolga; Jones, Bryan W.; Whitaker, Ross T. | Computational framework for ultrastructural mapping of neural circuitry | Circuitry mapping of metazoan neural systems is difficult because canonical neural regions (regions containing one or more copies of all components) are large, regional borders are uncertain, neuronal diversity is high, and potential network topologies so numerous that only anatomical ground truth c... | 2009 | |
| 311 |
 |
Furse, Cynthia M.; Gandhi, Om P.; Lazzi, Gianluca | Electromagnetic absorption in the human head and neck for mobile telephones at 835 and 1900 MHz | We have used the finite-difference time-domain method and a new millimeter-resolution anatomically based model of the human to study electromagnetic energy coupled to the head due to mobile telephones at 835 and 1900 MHz. Assuming reduced dimensions characteristic of today's mobile telephones, we h... | Electromagnetic absorption; FDTD; Finite-difference time-domain; Specific absorption rates; SAR | 1996-01-01 |
| 312 |
 |
Mathews, V. John | A stability condition for certain bilinear systems | Abstract-This correspondence derives a simple sufficient condition for the output of a discrete-time, time-invariant bilinear system to be bounded whenever the input signal to the system is bounded by a finite constant. | 1994 | |
| 313 |
 |
Furse, Cynthia M. | Selection criteria of test signals for correlation-based wire fault analysis (preprint) | This paper compares reflectometry signals for location of intermittent faults on live electrical cables. STDR, SSTDR, linear chirp, quadratic chirp, concave-up chirp, convex-down chirp and all frequency randomized phase noise signals were tested. The SSTDR was observed to be the most effective sig... | 2006 | |
| 314 |
 |
Tasdizen, Tolga; Whitaker, Ross T.; Jones, Bryan W. | Optimal-path approach for neural circuit reconstruction | Neurobiologists are collecting large amounts of electron microscopy image data to gain a better understanding of neuron organization in the central nervous system. Image analysis plays an important role in extracting the connectivity present in these images; however, due to the large size of these ... | 2008 | |
| 315 |
 |
Stringfellow, Gerald B. | Vapor phase interaction of trimethylaluminum with graphite during OMVPE | We have used a molecular beam mass spectrometer to study the interaction of trimethylaluminum (TMA) with graphite surfaces. Our results indicate that a strong adsorption effect occurs which explains phenomena occuring during OMVPE growth of AlxGa1-xAs, such as long A1 transients, oxygen gettering, a... | Organometallic vapor phase epitaxy; Thermodynamics; Graphite; Trimethylaluminum | 1982 |
| 316 |
 |
Harrison, Reid R.;Normann, Richard A. | Low-power integrated circuit for a wireless 100-electrode neural recording system | In the past decade, neuroscientists and clinicians have begun to use implantable MEMS multielectrode arrays (e.g., [1]) to observe the simultaneous activity of many neurons in the brain. By observing the action potentials, or "spikes," of many neurons in a localized region of the brain it is possibl... | Electrode; Multielectrode arrays (MEA); Neural recording; Low-power circuits; Wireless | 2006-01-01 |
| 317 |
 |
Mathews, V. John | Detection and estimation with fixed lag for abruptly changing systems | The problem of state estimation and system structure detection for discrete-time stochastic systems with parameters which may switch among a finite set of values is considered. The switchings are modeled by a semi-Markov, or Markov, chain with known transition statistics. A fixed time delay (lag) is... | 1983 | |
| 318 |
 |
Stevens, Kenneth | Relative timing | Abstract-Relative timing (RT) is introduced as a method for asynchronous design. Timing requirements of a circuit are made explicit using relative timing. Timing can be directly added, removed, and optimized using this style. RT synthesis and verification are demonstrated on three example circuits,... | 2003 | |
| 319 |
 |
Furse, Cynthia M. | Noise-domain reflectometry for locating wiring faults | Abstract-Reflectometry is commonly used to determine the integrity of cables and wiring. This paper describes a new family of reflectometers, the noise-domain reflectometers (NDR), that uses existing data signals on wiring and does not need to generate any signals of their own. There are two types o... | 2005 | |
| 320 |
 |
Mathews, V. John | Vector quantization using the L∞ distortion measure | Abstract-This paper considers vector quantization of signals using the L1 distortion measure. The key contribution is a result that allows one to characterize the centroid of a set of vectors for the L1 distortion measure. A method similar to the Linde-Buzo-Gray (LBG) algorithm for designing codeboo... | 1997 | |
| 321 |
 |
Mathews, V. John | Efficient block-adaptive parallel-cascade quadratic filters | Abstract-This brief presents computationally efficient block-adaptive algorithms for quadratic filters employing parallel-cascade realizations of the system model. Parallel-cascade realizations implement higher order Volterra systems using a parallel connection of multiplicative combinations of lowe... | 1999 | |
| 322 |
 |
Myers, Chris J. | Learning genetic regulatory network connectivity from time series data | Abstract. Recent experimental advances facilitate the collection of time series data that indicate which genes in a cell are expressed. This paper proposes an efficient method to generate the genetic regulatory network inferred from time series data. Our method fi_x000C_rst encodes the data into le... | 2006 | |
| 323 |
 |
Myers, Chris J. | Effcient verification of hazard-freedom in gate-level timed asynchronous circuits | This paper presents an efficient method for verifying hazard freedom in timed asynchronous circuits. Timed circuits are a class of asynchronous circuits that utilize explicit timing information fur optimization throughout the entire design process. In asynchronous circuits, correct operation require... | 2003 | |
| 324 |
 |
Myers, Chris J. | Efficient verification of hazard-freedom in gate-level timed asynchronous circuits | Abstract-This paper presents an efficient method for verifying hazard-freedom in gate-level timed asynchronous circuits. Timed circuits are a class of asynchronous circuits that are optimized using explicit timing information. In asynchronous circuits, correct operation requires that there are no ha... | 2007 | |
| 325 |
 |
Mathews, V. John | An efficient algorithm for lattice filter/predictor | ABSTRACT An efficient method for updating the lattice filter/predictor coefficients using the sign algorithm is introduced. The pertinent coefficients are updated using only the signs of the estimation errors at each stage. This method requires less number of multiplications than other adaptive la... | 1985 |