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Articles 9541 - 9570 of 12097
Full-Text Articles in Entire DC Network
Modeling With Collaborating Pde Solvers - Theory And Practice, Mo Mu, John R. Rice
Modeling With Collaborating Pde Solvers - Theory And Practice, Mo Mu, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
An Adaptable Constrained Locking Protocol For High Data Contention Environments, Shalab Goel, Bharat Bhargava
An Adaptable Constrained Locking Protocol For High Data Contention Environments, Shalab Goel, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Parallel, Probabilistic, Self-Organizing, Hierarchical Neural Networks , Faramarz Valafar, Okan K. Ersoy
Parallel, Probabilistic, Self-Organizing, Hierarchical Neural Networks , Faramarz Valafar, Okan K. Ersoy
Department of Electrical and Computer Engineering Technical Reports
A new neural network architecture called the Parallel Probabilistic Self-organizing Hierarchical Neural Network (PPSHNN) is introduced. The PPSHNN is designed to solve complex classification problems, by dividing the input vector space into regions, and by performing classification on those regions. It consists of several modules which operate in a hierarchically during learning and in parallel during testing. Each module has the task of classification for a region of the input information space as well as the task of participating in the formation of these regions through post- and pre-rejection schemes. The decomposition into regions is performed in a manner that …
A Conceptual Model For Multimedia Database Systems, Shunge Li, Xiangning Liu, Bharat Bhargava
A Conceptual Model For Multimedia Database Systems, Shunge Li, Xiangning Liu, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Modular Mappings Of Rectangular Algorithms, Hyuk J. Lee, José A.B. Fortes
Modular Mappings Of Rectangular Algorithms, Hyuk J. Lee, José A.B. Fortes
Department of Electrical and Computer Engineering Technical Reports
Affine space-time mappings have been extensively studied for systolic array design and parallelizing compilation. However, there are practical important cases that require other types of transformations. This paper considers so-called modular mappings described by linear transformations modulo a constant vector. Sufficient conditions for these mappings to be one-to-one are investigated for rectangular domains of arbitrary dimensions. It is shown that a sufficient condition for a modular mapping to be one-to-one is that its (n x n) coefficient -matrix T has entries tii = k1 and tij = 0 for i > j where > is a total order on {1, 2,. ., …
Eppod: A Problem Solving Environment For Parallel Electronic Prototyping Of Physical Object Design, Poting Wu, Elias N. Houstis, John R. Rice
Eppod: A Problem Solving Environment For Parallel Electronic Prototyping Of Physical Object Design, Poting Wu, Elias N. Houstis, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Curvature Continuous Spline Surfaces Over Irregular Meshes, Jörg Peters
Curvature Continuous Spline Surfaces Over Irregular Meshes, Jörg Peters
Department of Computer Science Technical Reports
No abstract provided.
Selected Topics On Demand Side Management, S. Alyasin, L. Chung, D Gotham, D. Hu, B. Kwon, J. Lee, A. Mok, A. Risal, R. Sasaki
Selected Topics On Demand Side Management, S. Alyasin, L. Chung, D Gotham, D. Hu, B. Kwon, J. Lee, A. Mok, A. Risal, R. Sasaki
Department of Electrical and Computer Engineering Technical Reports
Each year in the graduate course on "Economic Dispatch and Control of Integrated Power Systems," the students prepare a term project which is assembled into a report. This year, the assigned topic relates to demand side management. This topic appears to be especially timely and, because it relates to the revenue derived by the electric utility. The term demand side management (DSM) refers to modification of power system demand by some means in order to obtain better load factor characteristics. The study of DSM has many unresolved issues - many stem from the fact that the electric utility industry is …
A Performance Analysis Of A Digital Pll Based Mpsk Demodulator, Michael P. Fitz, R. Jean-Marc Cramer
A Performance Analysis Of A Digital Pll Based Mpsk Demodulator, Michael P. Fitz, R. Jean-Marc Cramer
Department of Electrical and Computer Engineering Technical Reports
This paper presents a generalized nonlinear (Markov) analysis technique that is used to evaluate the statistical performance of uniforn~ly sampled digital phase-locked loop (DPLL) demodulators. Although the rigorous analysis of the statistical performance of the analog PLL for digitally modulated signals (i.e., Costas loops) remains an open problem, the discrete time analysis for MPSK modulation is tractable. This paper characterizes the first-order, decisiondirected DPLL based demodulator as a Markov chain. Traditional analytical techniques are used to evaluate the steady-state statistical performance. Numerical results for the steady-state density function are derived for BPSK, QPSK, and 8PSK. The resulting steady-state bit error …
Polynomial Surface Patch Representations, Chandrajit L. Bajaj
Polynomial Surface Patch Representations, Chandrajit L. Bajaj
Department of Computer Science Technical Reports
No abstract provided.
Building Information Systems For Mobile Environments, Evaggelia Pitoura, Bharat Bhargava
Building Information Systems For Mobile Environments, Evaggelia Pitoura, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Maintaining Consistency Of Data In Mobile Distributed Environments, Evaggelia Pitoura, Bharat Bhargava
Maintaining Consistency Of Data In Mobile Distributed Environments, Evaggelia Pitoura, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Authorship Analysis: Identifying The Author Of A Program, Ivan Krsul
Authorship Analysis: Identifying The Author Of A Program, Ivan Krsul
Department of Computer Science Technical Reports
No abstract provided.
Managing Multiple Knowledge Sources In Constraint-Based Parsing Of Spoken Language, Mary P. Harper, Randall A. Helzerman
Managing Multiple Knowledge Sources In Constraint-Based Parsing Of Spoken Language, Mary P. Harper, Randall A. Helzerman
Department of Electrical and Computer Engineering Technical Reports
In this paper, we describe a system which is capable of utilizing a variety of knowledge sources to select the most appropriate parse for a spoken sentence. These knowledge sources include syntax, semantics, and contextual information. We discuss one way to utilize contextual information when determining a parse for a sentence. Our definition of a context is defined by which computer application we wish to interact with, where our system is capable of interfacing with two or more applications, each with a fixed vocabulary, syntax, and semanltics. The user is able to interact through a single interface which uses contextual …
Estimation Of Circuit Activity Considering Signal Correlations And Simultaneous Switchirlg, Tan Li Chou, Kaushik Roy, Sharat Prasad
Estimation Of Circuit Activity Considering Signal Correlations And Simultaneous Switchirlg, Tan Li Chou, Kaushik Roy, Sharat Prasad
Department of Electrical and Computer Engineering Technical Reports
This paper presents accurate estimation of signal activity at the internal nodes of combinational logic circuits. The methodology is based on stochastic model of logic signah and takes correlations and simultaneous switching of signals at logic gate inputs into consideration. In combinationa1l ogic synthesis, in order to minimize spurious transitions due to finite propagation delays, it is crucia1 to balance a11 signa1 paths and to reduce the logic depth [4]. As a.result of balancing delays through different paths the inputs to logic gates may switch at approximately the same time. We have developed and implementated two algorithms to calculate signal …
Basic Resonant Topologies For Switching Power Supplies, Zacharias K. Vachaparambil
Basic Resonant Topologies For Switching Power Supplies, Zacharias K. Vachaparambil
Department of Electrical and Computer Engineering Technical Reports
The objective of this thesis is to study the basic resonant converter topologies for switching power supplies and to compare their performance under different operating conditions. The series and parallel resonant converters are analyzed in detail. The analysis uses the state plane method, which gives a good insight of the operation of the converter. It is found that these converters have more desirable characteristics when operated at a frequency above the resonant frequency rather than below it. Analytical results are verified by sinlulation and experiment.
Countering Abuse Of Name-Based Authentication, Christoph L. Schuba, Eugene H. Spafford
Countering Abuse Of Name-Based Authentication, Christoph L. Schuba, Eugene H. Spafford
Department of Computer Science Technical Reports
No abstract provided.
Supporting Complex Data Types In A Relational Distributed Database System, Bharat Bhargava, Yin-He Jiang
Supporting Complex Data Types In A Relational Distributed Database System, Bharat Bhargava, Yin-He Jiang
Department of Computer Science Technical Reports
No abstract provided.
A Proposed Geogetic High Accuracy Reference Netowrk For The State Of Indiana, Dennis D. Findorff, Doudewijn H. W. Van Gelder, Steven D. Johnson
A Proposed Geogetic High Accuracy Reference Netowrk For The State Of Indiana, Dennis D. Findorff, Doudewijn H. W. Van Gelder, Steven D. Johnson
Purdue Road School
No abstract provided.
Gps And Vertical Control, Thomas Mahon
Road Surface Management - Local Road Applications, Donald M. Walker
Road Surface Management - Local Road Applications, Donald M. Walker
Purdue Road School
No abstract provided.
Quality Assurance In Bridge Safety Management Data Collection, Ron Purvis
Quality Assurance In Bridge Safety Management Data Collection, Ron Purvis
Purdue Road School
No abstract provided.
Testing Methods Of Driven Piles On Indot Demonstration Projects, Firooz Zandi
Testing Methods Of Driven Piles On Indot Demonstration Projects, Firooz Zandi
Purdue Road School
No abstract provided.
Edge Weight Reduction Problems In Directed Acyclic Graphs, Susanne E. Hambrusch, Hung-Yi Tu
Edge Weight Reduction Problems In Directed Acyclic Graphs, Susanne E. Hambrusch, Hung-Yi Tu
Department of Computer Science Technical Reports
No abstract provided.
Dynamic Barrier Architecture For Multi-Mode Fine-Grain Parallelism Using Conventional Processors Part 11: Mode Emulation, W. E. Cohen, H. G. Dietz, J. B. Sponaugle
Dynamic Barrier Architecture For Multi-Mode Fine-Grain Parallelism Using Conventional Processors Part 11: Mode Emulation, W. E. Cohen, H. G. Dietz, J. B. Sponaugle
Department of Electrical and Computer Engineering Technical Reports
Parallel computers constructed using conventional processors offer the potential to acheve large improvements in execution speed at reasonable cost, however, these machlnes tend to efficiently implement only coarse-grain MIMD parallelism. To achieve the best possible speedup through parallel execution, a computer must be capable of effectively using all the different types of parallelism that exist in each program. A combination of SIMD, VLW. and MIMD parallelism, at a variety of granularity levels, exists in most applications; thus, hardware that can support multiple types of parallelism can achieve better performance with a wider range of codes. In the companion paper [CoD94], …
Papers: Purdue's Adapter For Parallel Execution And Rapid Synchronization, H. G. Dietz, T. Muhammad, J. B. Sponaugle, T. Mattox
Papers: Purdue's Adapter For Parallel Execution And Rapid Synchronization, H. G. Dietz, T. Muhammad, J. B. Sponaugle, T. Mattox
Department of Electrical and Computer Engineering Technical Reports
There are a lot of 386/486/Pentium-based personal computers (PCs) out there. They are affordable, reliable, and offer good performance. Thus, it is only natural to think of networking multiple PCs to create a high-performance parallel machine - the problem is that conventional networking systems cannot provide low latency synchronization and communication. Low latency allows fine grain parallelism; the longer the latency, the fewer the programs that can achieve good speedup through use of parallelism. Typical parallel machines constructed using PC networks (e.g., PVM software using Ethernet hardware) generally have latencies between 0.001s and 0.1s. Even the "best" commercially-available parallel computers …
Dynamic Barrier Architecture For Multi-Mode Fine-Grain Parallelism Using Conventional Processors Part I: Barrier Architecture, W. E. Cohen, H. G. Dietz, J. B. Sponaugle
Dynamic Barrier Architecture For Multi-Mode Fine-Grain Parallelism Using Conventional Processors Part I: Barrier Architecture, W. E. Cohen, H. G. Dietz, J. B. Sponaugle
Department of Electrical and Computer Engineering Technical Reports
Parallel computers constructed using conventional processors offer the potential to achieve large improvements in execution speed at reasonable cost, however, these machines tend to efficiently implement only coarse-grain MIMD parallelism. To achieve the best possible speedup through parallel execution, a computer must be capable of effectively using all the different types of parallelism that exist in each program. A combination of SIMD, VLIW, and MIMD parallelism, at a variety of granularity levels, exists in most applications; thus, hardware that can support multiple types of parallelism can achieve better performance with a wider range of codes. In this paper, we introduce …
Writing, Supporting, And Evaluating Tripwire: A Publically Available Security Tool, Gene H. Kim, Eugene H. Spafford
Writing, Supporting, And Evaluating Tripwire: A Publically Available Security Tool, Gene H. Kim, Eugene H. Spafford
Department of Computer Science Technical Reports
No abstract provided.
Towards Feature Attachment, Xiangping Chen, Christoph M. Hoffmann
Towards Feature Attachment, Xiangping Chen, Christoph M. Hoffmann
Department of Computer Science Technical Reports
No abstract provided.
Muse Csp: An Extension To The Constraint Satisfaction Problem, Randall A. Helzerman, Mary P. Harper
Muse Csp: An Extension To The Constraint Satisfaction Problem, Randall A. Helzerman, Mary P. Harper
Department of Electrical and Computer Engineering Technical Reports
This paper describes an extension to the constraint satisfaction problem (CSP) approach called MUSE CSP (Multiply SEgmented Constraint Satisfaction Problem). This extension is especially useful for those problems which segment into multiple sets of partially shared variables. Such problems arise naturally in signal processing applications including computer vision, speech processing, and handwriting recognition. For these applications, it is often difficult to segment the data in only one way given the low-level information utilized by the segmentation algorithms. MUSE CSP can be used to efficiently represent and solve several similar instances of the constraint satisfaction problem simultaneously. If multiple instances of …