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CreatorTitleDescriptionSubjectDate
151 Stevens, Kenneth; Myers, Chris J.Average-case optimized technology mapping of one-hot domino circuitsThis paper presents a technology mapping technique for optimizing the average-case delay of asynchronous combinational circuits implemented using domino logic and one-hot encoded outputs. The technique minimizes the critical path for common input patterns at the possible expense of making less commo...1998
152 Myers, Chris J.Covering conditions and algorithms for the synthesis of speed-independent circuitsAbstract-This paper presents theory and algorithms for the synthesis of standard C-implementations of speed-independent circuits. These implementations are block-level circuits which may consist of atomic gates to perform complex functions in order to ensure hazard freedom. First, we present Boolean...1998
153 Mathews, V. JohnAdaptive parallel-cascade truncated volterra filtersAbstract-This paper studies adaptive truncated Volterra filters employing parallel-cascade structures. Parallel-cascade realizations implement higher order Volterra systems a s a parallel connection of multiplicative combinations of lower order truncated Volterra systems. A normalized LMS adaptive f...1998
154 Myers, Chris J.; Stevens, KennethAverage-case optimized technology mapping of one-hot domino circuits*This paper presents a technology mapping technique for optimizing the average-case delay of asynchronous combinational circuits implemented using domino logic and one-hot encoded outputs. The technique minimizes the critical path for common input patterns at the possible expense of making less commo...1998
155 Mathews, V. JohnAdaptive, quadratic preprocessing of document images for binarizationAbstract-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
156 Stevens, KennethA single chip low power asynchronous implementation of an FFT algorithm for space applicationsA fully asynchronous _x000C_fixed point FFT processor is introduced for low power space applications. The architecture is based on an algorithm developed by Suter and Stevens specifi_x000C_cally for a low power implementation. The novelty of this architecture lies in its high localization of compo...1998
157 Mathews, V. JohnParallel-cascade realizations and approximations of truncated volterra systemsAbstract- This correspondence introduces parallel-cascade realizations of truncated Volterra systems with an arbitrary but finite order of nonlinearity. Parallel-cascade realizations implement higher order Volterra systems using parallel and multiplicative combinations of lower order Volterra system...1998
158 Furse, Cynthia M.; Gandhi, Om P.Computations of SAR distributions or two anatomically based models of the human head using CAD files of commercial telephones and the parallelized FDTD codeA method for importing data from computer-aided design (CAD) files for a mobile telephone into finite-difference time-domain (FDTD) simulation software is described. Although the FDTD method is well suited for the bio-electromagnetic simulations and has become the method of choice for most research...Specific absorption rates; SAR; CAD files; FDTD; Finite-difference time-domain1998-01-01
159 Harrison, Reid R.Analog VLSI model of the fly elementary motion detectorFlies are capable of rapidly detecting and integrating visual motion information in behaviorly-relevant ways. The first stage of visual motion processing in flies is a retinotopic array of functional units known as elementary motion detectors (EMDs). Several decades ago, Reichardt and colleagues de...1998-01-01
160 Furse, Cynthia M.; Lazzi, Gianluca; Gandhi, Om P.Comparison of FDTD computed and measured radiation patterns of commercial mobile telephones in presence of the human headIn this letter, finite-difference time-domain (FDTD) computed radiation patterns of mobile telephones are carefully compared with those measured in our laboratory. The question on the capability of the FDTD method to correctly predict the radiated electromagnetic fields of today's structurally comp...FDTD; Finite-difference time-domain; Mobile antennas1998-01-01
161 Mathews, V. JohnPerceptually lossless image compressionThis paper presents an algorithm for perceptually lossless image compression. A compressed image is said to be perceptually lossless for a specified viewing distance if the reconstructed image and the original image appear identical to human observers when viewed from the specified distance. Our app...1998-01-01
162 Stringfellow, Gerald B.Surface photoabsorption transients and ordering in GaInPHeterostructures and quantum wells can be produced in GaInP without changing the solid composition by simply varying the order parameter. Since CuPt ordering reduces the band-gap energy, changes in the order parameter induced by changes in growth conditions result in heterostructures with band-ga...Order parameters; Quantum wells; P-dimers1998-03-15
163 Stringfellow, Gerald B.; Inglefield, Colin E.; Taylor, P. CraigQuantum wells due to ordering in GaInPCuPt ordering results in a reduction of the band-gap energy of GaInP. Thus, heterostructures and quantum wells can be produced by simply varying the order parameter, without changing the solid composition. Changes in the order parameter can be induced by changes in growth conditions. The disorder...Band-gap energy; Growth temperature; Quantum wells1998-12-28
164 Furse, Cynthia M.Microstrip antennas for dielectric property measurementThe measurement of the dielectric properties of materials is of great interest in a variety of applications including measurement of the moisture, fat, salt, or sugar content of grains and food products, measurement of human tissues or artificial phantom materials used to simulate them, and many oth...Moisture content; Grain; Measurement1999
165 Myers, Chris J.Timed circuit synthesis using implicit methodsThe 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
166 Mathews, V. John; Schlegel, ChristianA blind projection receiver for coded CDMA systemsABSTRACT 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
167 Furse, Cynthia M.Hands-on electromagnetics: microstrip circuit and antenna design laboratories at USUNew laboratories for microstrip circuit and antenna design have recently been developed at Utah State University. These laboratories are used to provide hands-on design, fabrication, and testing experience in two senior/graduate level design comes -- ECE 6130 Microwave Engineering and ECE 6170 Anten...Microstrip circuit design laboratories; Antenna design laboratories1999
168 Stevens, KennethTimed logic conformance and its applicationTimed Logic Conformance _x000B_TLC_x000C_ is a bisimulation-style partial order relationship defined over the statespace of Timed Safety Automata _x000B_TSA_x000C_ with real-valued clocks. In contrast to timed simulation. Calculus of Timed Refine- ment _x000B_CTR_x000C_, and Time-Abstracted bisim...1999
169 Tasdizen, TolgaAlgebraic curves that work betterAn algebraic curve is defined as the zero set of a polynomial in two variables. Algebraic curves are practical for modeling shapes much more complicated than conics or superquadrics. The main drawback in representing shapes by algebraic curves has been the lack of repeatability in fitting algebraic...1999
170 Stevens, KennethCAD directions for high performance asynchronous circuitsThis paper describes a novel methodology for high performance asynchronous design based on timed circuits and on CAD support for their synthesis using Relative Timing. This methodology was developed for a prototype iA32 instruction length decoding and steering unit called RAPPID ("Revolving Asynchro...1999
171 Myers, Chris J.Stochastic cycle period analysis in timed circuitsThis paper presents the stochastic cycle period as a performance metric for timed asynchronous circuits. The stochastic cycle period is a sum of weighted delays whose value represents the expected delay of a single cycle in the specification. Each weight denotes the amount of time a delay contribute...1999
172 Myers, Chris J.Verification of delayed-reset domino circuits using ATACSThis paper discusses the application of the timing analysis tool ATACS to the high performance, self-resetting and delayed-reset domino circuits being designed at IBM's Austin Research Laboratory. The tool, which was originally developed to deal with asynchronous circuits, is well suited to the se...1999
173 Myers, Chris J.Stochastic cycle period analysis in timed circuitsThis paper presents a technique to estimate the stochastic cycle period (SCP), a performance metric for timed asynchronous circuits. This technique uses timed stochastic Petri nets (TSPN) which support choice and arbitrary delay distributions. The SCP is the delay of the average path in a TSPN when ...1999
174 Stringfellow, Gerald B.Step structure and ordering in Zn-doped GaInPPresents the results of a study of Zinc dopant effects on both step structure and ordering in GaInP in an effort to further clarify the disordering mechanism. Comparison of the results obtained for Zinc with those reported for tellurium; Experiment; Results; Discussion; Conclusion.Gallium Compounds; Zinc; Ordering1999
175 Mathews, V. JohnEfficient block-adaptive parallel-cascade quadratic filtersAbstract-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
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