Filters: Collection:"ir_uspace"
| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 376 |  | Mathews, V. John | Adaptive realization of a maximum likelihood time delay estimator | ABSTRACT This paper presents an adaptive maximum likelihood method for estimating the time difference of arrival of a source signal at two spatially separate sensors. It is well-known that the maximum likelihood technique achieves the Cramer-Rao lower bound for time delay estimation error for ce... | 1996 | |
| 377 |  | Mathews, V. John | Adaptive realizations of the maximum likelihood processor for time delay estimation | Abstract-This correspondence introduces an adaptive realization of the maximum likelihood (ML) processor for time delay estimation (TDE). Also presented is a modified ML processor, which requires less computations but still performs better than the other when implemented in an adaptive way. Widrow'... | 1984 | |
| 378 |  | Mathews, V. John | Adaptive realizations of the phase transform for time delay estimation | ABSTRACT This paper introduces two recursive realizations of the Phase Transforn (PHAT) processor for tine delay estimation (TOE), using a simple one-pole lowpass filter and the least mean square (LMS) adaptive filter, respectively. It is shown that these adaptive methods are very effective in redu... | 1984 | |
| 379 |  | Pascucci, Valerio | Adaptive sampling with topological scores | 2012 | ||
| 380 |  | Mathews, V. John | Adaptive unsharp masking for contrast enhancement | ABSTRACT A new scheme o,f unsharp masking for image contrast enhancement is presented in this paper. An adaptive algorithm is introduced so that a sharpening action is performed only in locations where the image exhibits significant dynamics. Hence, the amplification of noise in smooth areas i... | 1997 | |
| 381 |  | Mathews, V. John | Adaptive volterra filters using orthogonal structures | Abstract-This paper presents an adaptive Volterra filter that empolys 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 syst... | 1996 | |
| 382 |  | 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 | |
| 383 |  | Mathews, V. John | Adaptive, quadratic preprocessing of document images for binarization | Abstract-This paper presents an adaptive algorithm for preprocessing document images prior to binarization in character recognition problems. Our method is similar in its approach to the blind adaptive equalization of binary communication channels. The adaptive filter utilizes a quadratic system mod... | 1998 | |
| 384 |  | Andreou, Chrisoula | Addiction, procrastination, and failure points in decision-making systems | Redish et al. suggest that their failures-in-decision-making framework for understanding addiction can also contribute to improving our understanding of a variety of psychiatric disorders. In the spirit of reflecting on the significance and scope of their research, I briefly develop the idea that t... | Addiction; Failure in decision-making systems | 2008-08 |
| 385 |  | Amato, Sara | Adding finding aids with CONTENTdm 5's built-in support | Lightning round presentation for the Western CONTENTdm Users Group Annual Conference, June 2-4, 2010. Gould Auditorium, J. Willard Marriott Library, Salt Lake City, Utah. | CONTENTdm EAD | 2010-06-03 |
| 386 |  | Brown, Barbara B. | Adding maps (GPS) to accelerometry data to improve study participants recall of physical activity: a methodological advance in physical activity research | Objective Obtaining the ‘when, where and why' of healthy bouts of moderate-to-vigorous physical activity (MVPA) provides insights into natural PA. Design In Salt Lake City, Utah, adults wore accelerometer and Global Positioning System (GPS) loggers for a week in a cross-sectional study to establis... | 2014-01-01 | |
| 387 |  | Arlitsch, Kenning; OBrien, Patrick | Addressing the low indexing ratio of IRs in Google Scholar by transforming metadata | DLF, search engine optimization, SEO, Google Scholar | 2011-10-31 | |
| 388 |  | Simpson, Jamesina J. | ADE-FDTD scattered-field formulation for dispersive materials | This letter presents a scattered-field formulation for modeling dispersive media using the finite-difference time-domain (FDTD) method. Specifically, the auxiliary differential equation method is applied to Drude and Lorentz media for a scattered field FDTD model. The present technique can also be a... | 2008-01-01 | |
| 389 |  | Beckerle, Mary C. | Adhesion plaque protein, talin, is phosphorylated in vivo in chicken embryo fibroblasts exposed to the tumor-promoting phorbol ester | Talin is a high molecular weight phosphoprotein that is localized at adhesion plaques. We have found that talin phosphorylation increases 3.0-fold upon exposure of chicken embryo fibroblasts to the tumor-promoting phorbol ester, phorbol 12-myristate 13-acetate. | Talin; Vinculin; Chicken embryo fibroblasts | 1990 |
| 390 |  | Symko, Orest George | Adiabatic compressional cooling of He3 | By adiabatic compression of a two-phase mixture of liquid and solid He3, temperatures below 2.5 mK have been obtained. These are in the range expected for nuclear ordering in solid He3. | He3; Adiabatic compressional cooling | 1969-03 |
| 391 |  | Kestle, John R. W.; Walker, Marion L. | Adjustment and malfunction of a programmable valve after exposure to toy magnets | Inadvertent adjustments and malfunctions of programmable valves have been reported in cases in which patients have encountered powerful electromagnetic fields such as those involved in magnetic resonance imaging, but the effects of small magnetic fields are not well known. The authors present a ca... | 2004 | |
| 392 |  | Rogachev, Andrey | Admittance spectroscopy study of polymer diodes in small magnetic fields | We performed a systematic study of bipolar and unipolar organic diodes based on the p-conjugated polymer, 2-methoxy-5-(20-ethylhexyloxy) (MEH-PPV), using electronic and magneto-transport measurements with magnetic field in the range 0-180mT and admittance spectroscopy in the frequency range 1 Hz<f<1... | 2012-01-01 | |
| 393 |  | McDaniel, Susan | Adoption in Canada: a neglected area of data collection and research | For some decades there has been in Canada, as in the United States, recurrent public interest in adoption. At various times this interest has been kindled by professional concern about unauthorized child placement and by the plight of children made homeless by war and other calamities. More recently... | Canada; Adoption; Statistics | 1981 |
| 394 |  | McDaniel, Susan | Adoption policy in Great Britain and North America | This paper has two purposes. First, to explore what existing adoption legislation may indicate about the meaning and function of adoption practices in North America and Great Britain. Second, to consider some possible policy implications revealed by clearer understanding of the social meaning of exi... | Adoption law; Family; North America | 1984 |
| 395 |  | Stringfellow, Gerald B.; Shurtleff, James Kevin | Adsorption and desorption of the surfactant Sb on GaInP grown by organometallic vapor phase epitaxy | It has been determined that ordering has a profound effect on the bandgap energy of many compound semiconductor alloys. Therefore, ordering must be controlled for devices such as solar cells, light emitting diodes and diode lasers. Since ordering depends on the surface properties during organomet... | Time dependent surface photoabsorption (SPA); Compound semiconductor alloys | 2000 |
| 396 |  | Miller, Jan D. | Adsorption mechanisms in nonmetallic activation systems | Adsorption of lead and ferric iron on quurtz and alumina is presented as a function of pH. Only the hydrolyzed species of these metal ions, FeOHt+ and PbOH', adsorb significantly on each of these minerals. Zeta potentials of quartz were measured as a function of pH in the presence of various additio... | Ferric iron; Quartz; Lead; Alumina; Adsorption; pH (Chemistry) | 1970 |
| 397 |  | Normann, Richard A.; Jones, Kelly E. | Advanced demultiplexing system for physiological stimulation | A CMOS very large scale integration (VLSI) chip has been designed and built to implement a scheme developed for multiplexing/demultiplexing the signals required to operate an intracortical stimulating electrode array. Because the use of radio telemetry in a proposed system utilizing this chip may im... | Electrode Array; Stimulation; Telemetry; Microelectrodes; Transistors | 1997 |
| 398 |  | Sutherland, James Clayton | Advanced regression methods for combustion modelling using principal components | Modelling the physics of combustion remains a challenge due to a large range of temporal and physical scales which are important in these systems. Detailed chemical kinetic mechanisms are used to describe the chemistry involved in the combustion process yielding highly coupled partial differential e... | 2014-01-01 | |
| 399 |  | Rajamani, Raj | Advances in discrete element method application to grinding mills | Discrete element method (DEM) has made significant impact in the design and operation of grinding mills. The internal charge motion of grinding balls and ore can be readily examined. As a result, this method enables one to design and examine mill internals via simulation. This manuscript details es... | 2014-01-01 | |
| 400 |  | Williams, Clayton C. | Advances in experimental technique for quantitative two dimensional dopant profiling by scanning capacitance microscopy | Several advances have been made toward the achievement of quantitative two-dimensional dopant and carrier profiling. To improve the dielectric and charge properties of the oxide-silicon interface, a method of low temperature heat treatment has been developed which produces an insulating layer with c... | Doping; Scanning capacitance microscope; SCM | 1999 |