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Articles 9931 - 9960 of 12094
Full-Text Articles in Entire DC Network
Tree-Structured Nonlinear Adaptive Signal Processing, C. S. Ravishankar, Saul B. Gelfand, Edward J. Delp
Tree-Structured Nonlinear Adaptive Signal Processing, C. S. Ravishankar, Saul B. Gelfand, Edward J. Delp
Department of Electrical and Computer Engineering Technical Reports
In communication systems, nonlinear adaptive filtering has become increasingly popular in a variety of applications such as channel equalization, echo cancellation and speech coding. However, existing nonlinear adaptive filters such as polynomial (truncated Volterra series) filters and multilayer perceptrons suffer from a number of problems. First, although high Order polynomials can approximate complex nonlinearities, they also train very slowly. Second, there is no systematic and efficient way to select their structure. As for multilayer perceptrons, they have a very complicated structure and train extremely slowly Motivated by the success of classification and regression trees on difficult nonlinear and nonparametfic problems, …
Efficient Importance Sampling Simulations For Digital Communication Systems, Jyun-Cheng Chen
Efficient Importance Sampling Simulations For Digital Communication Systems, Jyun-Cheng Chen
Department of Electrical and Computer Engineering Technical Reports
Importance sampling is a- modified. Monte Carlo simulation technique which can dramatically reduce the computational cost of the Monte Carlo method. A complete development is presented for its use in the estimation of bit error rates /V for digital communication systems with small Gaussian noise inputs. Emphasis is on the optimal mean-translation Gaussian simulation density function design and the event simulation method as applied to systems which employ quasi-regular trellis codes. These codes include the convolutional codes and many TCM (Ungerboeck) codes. Euclidean distance information of a code is utilized to facilitate the simulation. Also, the conditional importance sampling technique …
Collision Detection And Analysis In A Physically Based Simulation, William J. Bouma, George Vanĕček
Collision Detection And Analysis In A Physically Based Simulation, William J. Bouma, George Vanĕček
Department of Computer Science Technical Reports
No abstract provided.
Type Reconstruction For Coercion Polymorphism (Technical Summary), Ryan Stansifer, Dan Wetklow
Type Reconstruction For Coercion Polymorphism (Technical Summary), Ryan Stansifer, Dan Wetklow
Department of Computer Science Technical Reports
No abstract provided.
Selective Inheritance And Overriding In Statically-Typed Object-Oriented Languages, Ryan Stansifer, Dan Wetklow
Selective Inheritance And Overriding In Statically-Typed Object-Oriented Languages, Ryan Stansifer, Dan Wetklow
Department of Computer Science Technical Reports
No abstract provided.
Multidimensional Digital Searching And Some New Parameters In Tries, Peter Kirschenhofer, Helmut Prodinger, Wojciech Szpankowski
Multidimensional Digital Searching And Some New Parameters In Tries, Peter Kirschenhofer, Helmut Prodinger, Wojciech Szpankowski
Department of Computer Science Technical Reports
No abstract provided.
Real-Time Helicopter Flight Control Test Bed, Toby J. Pallett, Brad J. Wolfert, Shaheen Ahmad
Real-Time Helicopter Flight Control Test Bed, Toby J. Pallett, Brad J. Wolfert, Shaheen Ahmad
Department of Electrical and Computer Engineering Technical Reports
The goal of this paper is to describe a test bed for real-time helicopter flight control systems and some initial control experiments utilizing the test bed. The developed test bed consists of an off-the-shelf radio control helicopter which has been modified so that it can be computer controlled. The helicopter is mounted on a sensor equipped test fixture which provides information on the helicopter's position and attitude while allowing it to move freely within some limited area. In this paper we describe the hardware and software developed to allow real-time helicopter flight control and plant identification. In addition we propose …
An Nc Algorithm For Scheduling Unit-Time Jobs With Arbitrary Release Times And Deadlines, Greg N. Frederickson, Susan H. Rodger
An Nc Algorithm For Scheduling Unit-Time Jobs With Arbitrary Release Times And Deadlines, Greg N. Frederickson, Susan H. Rodger
Department of Computer Science Technical Reports
No abstract provided.
Porting Ncube Packages To Ipsc/860 And Ipsc/2 Hypercubes, Jingwen Wang, Mo Mu
Porting Ncube Packages To Ipsc/860 And Ipsc/2 Hypercubes, Jingwen Wang, Mo Mu
Department of Computer Science Technical Reports
No abstract provided.
Ambivalent Data Structures For Dynamic 2-Edge-Connectivity And K Smallest Spanning Trees, Greg N. Frederickson
Ambivalent Data Structures For Dynamic 2-Edge-Connectivity And K Smallest Spanning Trees, Greg N. Frederickson
Department of Computer Science Technical Reports
No abstract provided.
Negotiating And Supporting Interdependent Data In Very Large Federated Database Systems, Ahmed K. Elmagarmid, James G. Mullen
Negotiating And Supporting Interdependent Data In Very Large Federated Database Systems, Ahmed K. Elmagarmid, James G. Mullen
Department of Computer Science Technical Reports
No abstract provided.
Fundamental Techniques For Geometric And Solid Modeling, Christoph M. Hoffmann, George Vanĕček
Fundamental Techniques For Geometric And Solid Modeling, Christoph M. Hoffmann, George Vanĕček
Department of Computer Science Technical Reports
No abstract provided.
Learning: An Experiment With Five Selection Forms, John R. Rice
Learning: An Experiment With Five Selection Forms, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Correspondence Problem In Image Sequence Analysis, Chia-Hoang Lee, Anupam Joshi
Correspondence Problem In Image Sequence Analysis, Chia-Hoang Lee, Anupam Joshi
Department of Computer Science Technical Reports
No abstract provided.
Computer Simulation And Device Physics Of Sige Heterojunction Bipolar Transistors, Troy Thomas Herman
Computer Simulation And Device Physics Of Sige Heterojunction Bipolar Transistors, Troy Thomas Herman
Department of Electrical and Computer Engineering Technical Reports
Recent advances in semiconductor growth technology have enabled the growth of SiGe strained layers on silicon substrates. Si/SiGe technology has a promising future, especially in microwave HBT applications. This work describes the development of an existing two-dimensional drift-diffusion device simulation program for accurate modelling of SiGe heterojunction bipolar transistors (HBT's). PUPHS2D (Purdue University Program for Heterostructure Simulation in Two Dimensions) was formulated by Paul Dodd [Dod89] as an AlGaAs/GaAs HBT simulation tool. This work describes the extension of this program to the silicon and Si 1|_xGex material systems. The computer model allows the user to explore internal device physics as …
Route Adaptation And Persistence In Networks, Kenneth R. Rodemann
Route Adaptation And Persistence In Networks, Kenneth R. Rodemann
Department of Computer Science Technical Reports
No abstract provided.
Learning, Teaching, Optimization And Approximation, John R. Rice
Learning, Teaching, Optimization And Approximation, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
A Framework For Intelligent Parallel Compilers, Ko-Yang Want
A Framework For Intelligent Parallel Compilers, Ko-Yang Want
Department of Computer Science Technical Reports
No abstract provided.
On The Impossibility Of Atomic Commitment In Multidatabase Systems, James G. Mullen, Ahmed K. Elmagarmid
On The Impossibility Of Atomic Commitment In Multidatabase Systems, James G. Mullen, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Determining Maximum K-Width-Connectivity On Meshes, Susanne E. Hambrusch, Frank Dehne
Determining Maximum K-Width-Connectivity On Meshes, Susanne E. Hambrusch, Frank Dehne
Department of Computer Science Technical Reports
No abstract provided.
A Parallel Algorithm For Computing Invariants Of Petri Net Models, Dan C. Marinescu, Mike Beaven, Ryan Stansifer
A Parallel Algorithm For Computing Invariants Of Petri Net Models, Dan C. Marinescu, Mike Beaven, Ryan Stansifer
Department of Computer Science Technical Reports
No abstract provided.
A Purdue University Course In The History Of Computing, Saul Rosen
A Purdue University Course In The History Of Computing, Saul Rosen
Department of Computer Science Technical Reports
No abstract provided.
Interoperability In Multidatabase Systems, Omran A. Bukhres, Ahmed K. Elmagarmid
Interoperability In Multidatabase Systems, Omran A. Bukhres, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Transaction Models For Advanced Database Applications, Ahmed K. Elmagarmid
Transaction Models For Advanced Database Applications, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Strategic Highway Research Program (Shrp), Damian J. Kulash
Strategic Highway Research Program (Shrp), Damian J. Kulash
Purdue Road School
No abstract provided.
Federal Update On Intelligent Vehicle Highway System (Ivhs), Lyle Saxton
Federal Update On Intelligent Vehicle Highway System (Ivhs), Lyle Saxton
Purdue Road School
No abstract provided.
Relax: A Software Platform For Pde Interface Relaxation Methods, Scott Mcfaddin, John R. Rice
Relax: A Software Platform For Pde Interface Relaxation Methods, Scott Mcfaddin, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
On Alternate Solid Representations And Their Uses, Christoph M. Hoffmann, George Vanĕček
On Alternate Solid Representations And Their Uses, Christoph M. Hoffmann, George Vanĕček
Department of Computer Science Technical Reports
No abstract provided.
Maintaining Consistency Of Interdependent Data In Multidatabase Systems, Amit P. Sheth, Yungho Leu, Ahmed K. Elmagarmid
Maintaining Consistency Of Interdependent Data In Multidatabase Systems, Amit P. Sheth, Yungho Leu, Ahmed K. Elmagarmid
Department of Computer Science Technical Reports
No abstract provided.
Global Commitment In Multidatabase Systems, Ahmed K. Elmagarmid, Jin Jing, Won Kim
Global Commitment In Multidatabase Systems, Ahmed K. Elmagarmid, Jin Jing, Won Kim
Department of Computer Science Technical Reports
No abstract provided.