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Articles 6751 - 6780 of 8612
Full-Text Articles in Entire DC Network
Optimally Computing The Shortest Weakly Visible Subedge For A Simple Polygon, Danny Z. Chen
Optimally Computing The Shortest Weakly Visible Subedge For A Simple Polygon, Danny Z. Chen
Department of Computer Science Technical Reports
No abstract provided.
Unified Stochastic Simulations For Vector Machines: Empirical Results, Vernon J. Rego, Ling-Yu Chuang, Aditya P. Mathur
Unified Stochastic Simulations For Vector Machines: Empirical Results, Vernon J. Rego, Ling-Yu Chuang, Aditya P. Mathur
Department of Computer Science Technical Reports
No abstract provided.
Stabilty Conditions For Some Multiqueue Distributed Systems: Buffered Random Access Systems, Wojciech Szpankowski
Stabilty Conditions For Some Multiqueue Distributed Systems: Buffered Random Access Systems, Wojciech Szpankowski
Department of Computer Science Technical Reports
No abstract provided.
Performance Analysis Of A Class Of Nonlinear Spectral Filters, D. L. Zimmerman, 0. K. Ersoy
Performance Analysis Of A Class Of Nonlinear Spectral Filters, D. L. Zimmerman, 0. K. Ersoy
Department of Electrical and Computer Engineering Technical Reports
Analyses and experimental results for the symmetric nonlinear matched filter (SNMF) and the non-symmetric nonlinear matched filter (nonSNMF) are presented. The properties studied are signal-to-noise ratio (SNR), resolution, and intermodulation. Additionally, for the hard-limiter nonlinearity, optimum threshold selection and probability of error for the SNMF are investigated. The SNMF is composed of a spectral transformation followed by a pointwise nonlinear transformation. This transformation is applied to both the reference signal and the received signal, which is then multiplied in the transform domain. The non-SNMF system involves the nonlinear transformation of only the filter transfer function prior to multiplication with the …
Testing A Simple Polygon For Monotonicity Optimally In Parallel, Danny Z. Chen, Sumanta Guha
Testing A Simple Polygon For Monotonicity Optimally In Parallel, Danny Z. Chen, Sumanta Guha
Department of Computer Science Technical Reports
No abstract provided.
Bayesian Signal Reconstruction From Fourier Transform Magnitude In The Presence Of Symmetries And X-Ray Crystallography, Peter C. Doerschuk
Bayesian Signal Reconstruction From Fourier Transform Magnitude In The Presence Of Symmetries And X-Ray Crystallography, Peter C. Doerschuk
Department of Electrical and Computer Engineering Technical Reports
In Ref. [I] a signal reconstruction problem motivated by x-ray crystallography was solved using a Bayesian statistical approach. The signal is zero-one, periodic, and substantial statistical a priori information is known, which is modeled with a Markov random field. The data are inaccurate magnitudes of the Fourier coefficients of the signal. The solution is explicit and the computational burden is independent of the signal dimension. In Ref, [2] a detailed parameterization of the a priori model appropriate for crystallography was proposed and symmetry-breaking parameters in the riolution were usecl to perform data-dependent adaptation of the estimator. The adaptation attempts to …
Nonlinear Adaptive Signal Processing, S.-W. Deng, O.K. Ersoy
Nonlinear Adaptive Signal Processing, S.-W. Deng, O.K. Ersoy
Department of Electrical and Computer Engineering Technical Reports
Nonlinear techniques for signal processing and recognition have the promise of achieving systems which are superior to linear systems in a number of ways such as better performance in terms of accuracy, fault tolerance, resolution, highly parallel architectures and cloker similarity to biological intelligent systems. The nonlinear techniques proposed are in the form of multistage neural networks in which each stage can be a particular neural network and all the stages operate in parallel. The specific approach focused upon is the parallel, self-organizing, hierarchical neural networks (PSHNN's). A new type of PSHNN is discussed such that the outputs are allowed …
Modeling The Darpa Diesel Engine In Proengineer, Christoph M. Hoffmann
Modeling The Darpa Diesel Engine In Proengineer, Christoph M. Hoffmann
Department of Computer Science Technical Reports
No abstract provided.
A Vml Based Implementation Of A Neural Network Library On General Purpose Parallel Processors, H. Byun, S. K. Kortesis, Elias N. Houstis
A Vml Based Implementation Of A Neural Network Library On General Purpose Parallel Processors, H. Byun, S. K. Kortesis, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
The Architecture Of Pde Solving Systems, Elias N. Houstis, John R. Rice
The Architecture Of Pde Solving Systems, Elias N. Houstis, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Integrating Distributed Data Sources Using Federated Objects, Henry R. Tirri, Jagannathan Srinivasan, Bharat Bhargava
Integrating Distributed Data Sources Using Federated Objects, Henry R. Tirri, Jagannathan Srinivasan, Bharat Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Final Report To The Army Research Office: Intelligent Decision Strategies And Some Applications, R. L. Kashyap
Final Report To The Army Research Office: Intelligent Decision Strategies And Some Applications, R. L. Kashyap
Department of Electrical and Computer Engineering Technical Reports
No abstract available.
A Study Of Numerical Integration Techniques For Use In The Companion Circult Method Of Transient Circuit Analysis, Charles A. Thompson
A Study Of Numerical Integration Techniques For Use In The Companion Circult Method Of Transient Circuit Analysis, Charles A. Thompson
Department of Electrical and Computer Engineering Technical Reports
Circuit transient analysis packages such as SPICE and EMTP are very widely used, but detailed information on the internal structure and error characteristics for these software packages is lacking. Both SPICE and EMTP rely on numerical integration to approximate the transient response of circuit elements. The numerical integration methods used in the packages are not necessarily the most accurate approximations to the actual response of a circuit. The study of these numerical integration methods and their error characteristics is the focus of this thesis. Comparisons are made between several methods in terms of accuracy and stability as well as algorithm …
Macromolecular Electron Density Averaging On Distributed Memory Mimd Systems, Dan C. Marinescu, John R. Rice, Marius A. Cornea-Hasegan, Robert E. Lynch, Michael G. Rossmann
Macromolecular Electron Density Averaging On Distributed Memory Mimd Systems, Dan C. Marinescu, John R. Rice, Marius A. Cornea-Hasegan, Robert E. Lynch, Michael G. Rossmann
Department of Computer Science Technical Reports
No abstract provided.
A Pde Sparse Solver Benchmark For Massively Parallel Distributed Memory Multiprocessors, Mo Mu, John R. Rice
A Pde Sparse Solver Benchmark For Massively Parallel Distributed Memory Multiprocessors, Mo Mu, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
The Interbase Parallel Language: Supporting The Flex Transaction Model And Beyond, Ahmed K. Elmagarmid, Jiansan Chen
The Interbase Parallel Language: Supporting The Flex Transaction Model And Beyond, Ahmed K. Elmagarmid, Jiansan Chen
Department of Computer Science Technical Reports
No abstract provided.
Interbase: An Execution Environment For Global Applications Over Distributed, Autonomous And, Heterogeneous Software Systems, Ahmed K. Elmagarmid, Jiansan Chen, Weimin Du, Omran Bukhres, Rob Pezzoli
Interbase: An Execution Environment For Global Applications Over Distributed, Autonomous And, Heterogeneous Software Systems, Ahmed K. Elmagarmid, Jiansan Chen, Weimin Du, Omran Bukhres, Rob Pezzoli
Department of Computer Science Technical Reports
No abstract provided.
A Workload Partitioning Strategy For Pdes By A Generalized Neural Network, H. Byun, S. K. Kortesis, Elias N. Houstis
A Workload Partitioning Strategy For Pdes By A Generalized Neural Network, H. Byun, S. K. Kortesis, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Back Cover, Purdue Road School
Integrated Symbolic-Numeric Computing In //Ellpack: Experiences And Plans, Sanjiva Weerawarana, Ann C. Catlin, Elias N. Houstis, John R. Rice
Integrated Symbolic-Numeric Computing In //Ellpack: Experiences And Plans, Sanjiva Weerawarana, Ann C. Catlin, Elias N. Houstis, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Performance Analysis Of A Polyhedral Boolean Set Operations Algorithm, George Vanĕček, Dana S. Nau, Raghu R. Karinthi
Performance Analysis Of A Polyhedral Boolean Set Operations Algorithm, George Vanĕček, Dana S. Nau, Raghu R. Karinthi
Department of Computer Science Technical Reports
No abstract provided.
The Speedup And Efficiency Of 3-D Fft On Distributed Memory Mimd Systems, Dan C. Marinescu
The Speedup And Efficiency Of 3-D Fft On Distributed Memory Mimd Systems, Dan C. Marinescu
Department of Computer Science Technical Reports
No abstract provided.
Design Curves For Transient Heat Flow In Semiconductor Devices, James A. Cooper, Jr.
Design Curves For Transient Heat Flow In Semiconductor Devices, James A. Cooper, Jr.
Department of Electrical and Computer Engineering Technical Reports
We have ]performed a numerical simulation of heat flow in a cylindrical solid having a ,geometry typical of semiconductor devices. We present curves of temperature as a function of time, normalized to the thermal constants and the surface herat flux. These curves can be used in the design of serniconductor devices where transient or steady state temperature rise is a consideration.
Mathematical Analysis Of The Joint Motion Of Redundant Robots Under Pseudo-Inverse Control, Shengwu Luo, Shaheen Ahmad
Mathematical Analysis Of The Joint Motion Of Redundant Robots Under Pseudo-Inverse Control, Shengwu Luo, Shaheen Ahmad
Department of Electrical and Computer Engineering Technical Reports
Redundant robots that are kinematically controlled using Jacobian pseudo-inverses may not have repeatable joint motions, when the end-effector traces a closed path in the workspace. This phenomenon is known as joint drift. The joint drift problem was initially observed and analyzed by Klein and Huang[lO]. Shamir and Yomdin(l5J also analyzed this problem using differential geometric approach. Klein and Kee[ll.] observed through numerical experiments that the drift had predictable properties. In this paper we present a measure of the drift motion, we show this measure is useful for predicting the stability properties of drifts. We further show that this measure of …
Three-Dimensional Insulated Gate Bipolar Transistor (Igbt) Development, P.V. Gilbert, G.W. Neudeck
Three-Dimensional Insulated Gate Bipolar Transistor (Igbt) Development, P.V. Gilbert, G.W. Neudeck
Department of Electrical and Computer Engineering Technical Reports
A new insulated gate bipolar transistor structure, the 3D-IGBT, is presented. The 3D-IGBT utilizes selective epitaxial silicon to form a top contacted anode and still retain the cellular structure of vemcally oriented devices. The 3D-IGBT , unlike other fully integrable power devices, exploits the merits of cellular structure to increase its packing density and thus reduce its on-resistance per unit area. It also eliminates the parasitic JFET resistance found in vertical IGBT's. To integrate the 3D-IGBT with low power devices, the QDI method of device isolation is also presented. QDI uses a combination of JI and DI to electrically isolate …
Reservable Transactions: An Approach For Reliable Multidatabase Transaction Management, Ahmed K. Elmagarmid, Jin Jing, James G. Mullen, Jamshid Sharif-Askary
Reservable Transactions: An Approach For Reliable Multidatabase Transaction Management, Ahmed K. Elmagarmid, Jin Jing, James G. Mullen, Jamshid Sharif-Askary
Department of Computer Science Technical Reports
No abstract provided.
Algebraic Surface Design And Finite Element Meshes, Chanderjit L. Bajaj
Algebraic Surface Design And Finite Element Meshes, Chanderjit L. Bajaj
Department of Computer Science Technical Reports
No abstract provided.
Software Forensics: Can We Track Code To Its Authors?, Eugene H. Spafford, Stephen A. Weeber
Software Forensics: Can We Track Code To Its Authors?, Eugene H. Spafford, Stephen A. Weeber
Department of Computer Science Technical Reports
No abstract provided.
Multiswitch Hardware Configuration, Douglas E. Comer, Victor Norman
Multiswitch Hardware Configuration, Douglas E. Comer, Victor Norman
Department of Computer Science Technical Reports
No abstract provided.
Enforceable Interdatabase Constraints In Combining Multiple Autonomous Databases, Aidong Zhang, Ahmed K. Elmagarmid
Enforceable Interdatabase Constraints In Combining Multiple Autonomous Databases, Aidong Zhang, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.