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Articles 12331 - 12360 of 13653
Full-Text Articles in Entire DC Network
Signal Subspace Techniques For Source Localization With Circular Sensor Arrays, Cherian P. Mathews, Michael D. Zoltowski
Signal Subspace Techniques For Source Localization With Circular Sensor Arrays, Cherian P. Mathews, Michael D. Zoltowski
Department of Electrical and Computer Engineering Technical Reports
Estimating the directions-of-arrival (DOAs) of propagating plane waves is a problem of interest in a variety of applications including radar, mobile communications, sonar, and seismology. The widely studied uniform linear array (ULA) can only provide estimates of source bearings relative to the array axis. A planar. array is required if estimates of source azimuth and elevation are required (2D angle estimation). Uniform circular arrays (UCAs) have several properties that make them attractive for 2D angle estimation; e.g., directional patterns synthesized with UCAs can be electronically rotated in the plane of the array without significant change of beam shape. Two signal …
Storing Logical Form In A Shared-Packed. Forest, Mary P. Harper
Storing Logical Form In A Shared-Packed. Forest, Mary P. Harper
Department of Electrical and Computer Engineering Technical Reports
To compactly represent sentences containing syntactic ambiguity until the necessary information has been processed to refine the meaning, we have modified an all-path context-free grammar parser to generate a shared-packed parse forest annotated with logical form. An annotated shared-packed forest cannot contain every representation of a highly ambiguous sentence without using an intractable amount of space. Hence, our program stores procedure calls for creating all possible logical forms for a c.onstituent in the forest. The resulting forest contains the same number of nodes and is not much bigger than the original forest. Furthermore, the stored procedural information can be used …
Tutoring And Teaching: Continuum, Dichotomy, Or Dialectic, Helon Howell Raines
Tutoring And Teaching: Continuum, Dichotomy, Or Dialectic, Helon Howell Raines
The Writing Center Journal
No abstract provided.
Library Development In Francophone Africa, Margaret O. Saunders, E. Stewart Saunders
Library Development In Francophone Africa, Margaret O. Saunders, E. Stewart Saunders
Libraries Research Publications
Traces the history and development of libraries in Francophone Africa. Covers public, academic, government, and scientific libraries; also covers library education and the library profession.
Hcfc-22 Alternatives For Air Conditioners And Heat Pumps, M. B. Shiflett
Hcfc-22 Alternatives For Air Conditioners And Heat Pumps, M. B. Shiflett
International Refrigeration and Air Conditioning Conference
No abstract provided.
In Tube Evaporation Heat Transfer Of Refrigerant Mixtures, T. M. Doerr, M. B. Pate
In Tube Evaporation Heat Transfer Of Refrigerant Mixtures, T. M. Doerr, M. B. Pate
International Refrigeration and Air Conditioning Conference
No abstract provided.
Heat Transfer Coefficients And Transport Properties For Alternative Refrigerants, D. B. Bivens, A. Yokozeki
Heat Transfer Coefficients And Transport Properties For Alternative Refrigerants, D. B. Bivens, A. Yokozeki
International Refrigeration and Air Conditioning Conference
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.
Smooth Low Degree Approximations Of Polyhedra, Chandrajit L. Bajaj, Jindon Chen, Guoliang Xu
Smooth Low Degree Approximations Of Polyhedra, Chandrajit L. Bajaj, Jindon Chen, Guoliang Xu
Department of Computer Science Technical Reports
No abstract provided.
Maintaining Consistency In Multidatabase Systems: A Comprehensive Study, Aidong Zhang, Bharat K. Bhargava
Maintaining Consistency In Multidatabase Systems: A Comprehensive Study, Aidong Zhang, Bharat K. Bhargava
Department of Computer Science Technical Reports
No abstract provided.
Minutes Of The National Writing Centers Association Board Meeting
Minutes Of The National Writing Centers Association Board Meeting
The Writing Center Journal
No abstract provided.
Bibliography Of Recent Writing Center Scholarship (Nov. 1993-Oct. 1994), Michael Condon
Bibliography Of Recent Writing Center Scholarship (Nov. 1993-Oct. 1994), Michael Condon
The Writing Center Journal
No abstract provided.
Live And On Stage: Writing Center Stories And Tutorial Authority, Thomas Hemmeter
Live And On Stage: Writing Center Stories And Tutorial Authority, Thomas Hemmeter
The Writing Center Journal
No abstract provided.
An Indot Lessons Learned Constructability Program And Integrated Multimedia System, Bob G. Mccullouch, Robert Michael Patty
An Indot Lessons Learned Constructability Program And Integrated Multimedia System, Bob G. Mccullouch, Robert Michael Patty
JTRP Technical Reports
To improve constructability, experienced design and construction engineers often select processes and develop details that require less labor, equipment, or management resources to build. These innovative ideas, enabling circumstances, and their effect on the construction process are not usually recorded in a reusable format. Without such a mechanism, recalling this experience under the appropriate circumstances, or transferring the technology to new management has generally not happened. Further, civil engineers are generally educated to optimize cost by minimizing the material quantity. Through experience gained after graduation, they are expected to pick up options for engineering impact on the labor, equipment, and …
The Components And Benefits Of An Advanced Surface Arterial Traffic Management System, Ted M. Andrews, Kumares C. Sinha
The Components And Benefits Of An Advanced Surface Arterial Traffic Management System, Ted M. Andrews, Kumares C. Sinha
JTRP Technical Reports
Traffic congestion has become an increasing problem on major surface arterial roadways. Demand for accessibility to adjacent land uses yields increased vehicular turning movement activity at driveways and intersections. As turning and cross-road traffic volumes increase, the need for traffic signalization will eventually be warranted. When numerous, independently operating traffic signals are present on a given arterial roadway, adverse effects can result. First, continous movement along the arterials at a desirable speed may not be assured. Second, vehicular delay will increase because of the slower operating speeds and increased number of stops. Third, safety can be threatened as poor traffic …
Institutional And Intimate Contexts: A Review Of Recent Writing Center Scholarship, Bradley T. Hughes
Institutional And Intimate Contexts: A Review Of Recent Writing Center Scholarship, Bradley T. Hughes
The Writing Center Journal
No abstract provided.
A Review Of Intersections: Theory-Practice In The Writing Center, Lex Runciman
A Review Of Intersections: Theory-Practice In The Writing Center, Lex Runciman
The Writing Center Journal
No abstract provided.
"Hanging Your Alias On Their Scene": Writing Centers, Graffiti, And Style, Cynthia Haynes-Burton
"Hanging Your Alias On Their Scene": Writing Centers, Graffiti, And Style, Cynthia Haynes-Burton
The Writing Center Journal
No abstract provided.
Detection Of Harmonic Loads On A Power System Under Practical Conditions Of Non-Sinusoidal Voltages And Variable Frequency, Naveen Jaluria
Detection Of Harmonic Loads On A Power System Under Practical Conditions Of Non-Sinusoidal Voltages And Variable Frequency, Naveen Jaluria
Department of Electrical and Computer Engineering Technical Reports
The purpose of this work is to develop an on-line measurement technique, which could be used iteratively to detect the presence of harmonic loads on the power system. This has to be achieved in an environment of non-sinusoidal voltage waveforms and variable frequency as is the case in practice. This is achieved by looking at the relative phase relationship between the voltage and current at each harmonic frequency. From this information, the average harmonic power flowing in the load circuit can be found out. If the load is injecting average power back to the source at harmonic frequencies, then it …
Probing Tcp Implementations, Douglas E. Comer, John C. Lin
Probing Tcp Implementations, Douglas E. Comer, John C. Lin
Department of Computer Science Technical Reports
No abstract provided.
An Optimal O(Log Log N) Time Parallel Algorithm For Detecting All Squares In A String, Albert Apostolico, Dany Breslauer
An Optimal O(Log Log N) Time Parallel Algorithm For Detecting All Squares In A String, Albert Apostolico, Dany Breslauer
Department of Computer Science Technical Reports
No abstract provided.
C3: A Parallel Model For Coarse-Grained Machines, Susanne E. Hambrusch, Ashfaq A. Khokhar
C3: A Parallel Model For Coarse-Grained Machines, Susanne E. Hambrusch, Ashfaq A. Khokhar
Department of Computer Science Technical Reports
No abstract provided.
Transmission Scheduling Of Multichannel System For Communication Of Pre-Orchestrated Multimedia Information, Miae Woo, Arif Ghafoor
Transmission Scheduling Of Multichannel System For Communication Of Pre-Orchestrated Multimedia Information, Miae Woo, Arif Ghafoor
Department of Electrical and Computer Engineering Technical Reports
Communication of multimetlia information over broadband networks dictates stringent QOS requirements. In this report, we propose a commnnication model for preorchestrated multimedia information. The proposed model, calletl XOCPN, specifies the performance parameters to handle mnltimedia media. effectively as well as provides resynchronization action to compensate anomalies thle to random delays introduced by the network. The model is used to determine the optimal number of channels needed to transmit the multimedia information. Subsequently, we consider a channel-deficient system having homogeneous channels (i.e. channels with identical characteristics) and prove that scheduling transmission of multimedia data in this system is an NP-hard problem. …
Constructing Distributed Schedulers Using The Messiahs Interface Language, Steve J. Chapin, Eugene H. Spafford
Constructing Distributed Schedulers Using The Messiahs Interface Language, Steve J. Chapin, Eugene H. Spafford
Department of Computer Science Technical Reports
No abstract provided.
Performance Tradeoffs For Scheduling Pre-Orchestrated Multimedia Information Over Broadband Integrated Networks, Zafar Ali, Arif Ghafoor
Performance Tradeoffs For Scheduling Pre-Orchestrated Multimedia Information Over Broadband Integrated Networks, Zafar Ali, Arif Ghafoor
Department of Electrical and Computer Engineering Technical Reports
In this report we present a framework for evaluating performance of scheduling preorchestrated multimedia information over broadband integrated networks. We propose a set of Quality Of Presentation (QOP) parameters which quantify the quality of multimedia presentation from user's point of view. The communication of mulltimedia data in a networked environment can affect the desired QOP parameters due to jitter delays in the network. We evaluate trade-offs between QOP parameters and the system resources including channel utilization and buffering at the destination. These trade-offs can be used to develope an optimal transmission schedule for multimedia information.
Genetic Algorithms In Noisy Environments, T. W. Then, Edwin K. P. Chong
Genetic Algorithms In Noisy Environments, T. W. Then, Edwin K. P. Chong
Department of Electrical and Computer Engineering Technical Reports
Genetic Algorithms (GA) have been widely used in the areas of searching, function optimization, and machine learning. In many of these applications, the effect of noise is a critical factor in the performance of the genetic algorithms. While it hals been shown in previous siiudies that genetic algorithms are still able to perform effectively in the presence of noise, the problem of locating the global optimal solution at the end of the search has never been effectively addressed. Furthermore, the best solution obtained by GA often does not coincicle with the optimal solution for the problem when noise is present. …
Parallel Dynamic Mesh Generation And Domain Decomposition, Poting Wu, Elias N. Houstis
Parallel Dynamic Mesh Generation And Domain Decomposition, Poting Wu, Elias N. Houstis
Department of Computer Science Technical Reports
No abstract provided.
Collaborative Multimedia Game Environments, Vinod Anupam, Chandrajit L. Bajaj
Collaborative Multimedia Game Environments, Vinod Anupam, Chandrajit L. Bajaj
Department of Computer Science Technical Reports
No abstract provided.