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Topic Area: Modeling

Displaying records 121 to 130 of 136 records.
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121. Comparative Statistical Analysis of Test Parts Manufactured in Production Environments
Series: NIST Interagency/Internal Report (NISTIR)
Topic: Modeling
Published: 2/2/2004
Authors: David E. Gilsinn, Alice V. Ling
Abstract: Estimating error uncertainties arising in production parts isnot a well understood process. This study developed an approach to estimatethese uncertainties. Machine tool error components on a vertical turningcenter were measured. Multiple parts were ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150867

122. Approximating Limit Cycles of a Van der Pol Equation with Delay
Topic: Modeling
Published: 1/15/2004
Author: David E. Gilsinn
Abstract: In this paper a theorem of Stokes is used to establish the existence of a periodic solution of a Van der Pol equation with fixed delay in the neighborhood of an approximating solution that satisfies a certain noncriticality condition.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50684

123. Using Nanoscillatory Splines to Model Urban Environments
Topic: Modeling
Published: 1/15/2004
Authors: David E. Gilsinn, Marjorie A McClain, Christoph Johann Witzgall
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150887

124. Constructing Sequence Alignments from a Markov Decision Model with Estimated Parameter Values
Topic: Modeling
Published: 1/1/2004
Authors: Fern Y Hunt, Anthony J Kearsley, Agnes (Abbie) O'Gallagher
Abstract: Current methods for aligning biological sequences are based on dynamic programming algorithms. If large numbers of sequences or a number of long ones are to be aligned the required computations are expensive in memory and CPU time. In an attempt to b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51306

125. Constructing Sequence Alignments from a Markov Decision Model with Estimated Parameter Values
Topic: Modeling
Published: 1/1/2004
Authors: Fern Y Hunt, Anthony J Kearsley, Agnes (Abbie) O'Gallagher
Abstract: Current methods for aligning biological sequences are based on dynamic programming algorithms. If large numbers of sequences or a number of long ones are to be aligned the required computations are expensive in memory and CPU time. In an attempt to b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=51308

126. Deconvolving LADAR Images Of Bar Codes for Construction Site Object Recognition
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7044
Topic: Modeling
Published: 10/1/2003
Authors: David E. Gilsinn, Geraldine S Cheok, Dianne M O'Leary
Abstract: This report discusses a general approach to reconstructing ground truth intensity images of bar codes that have been distorted by LADAR optics. The first part of this report describes the experimental data collection of several bar code images along ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50685

127. An Optimization Approach to Multiple Sequence Alignment
Topic: Modeling
Published: 7/1/2003
Authors: Fern Y Hunt, Anthony J Kearsley, H H Wan
Abstract: The problem of multiple sequence alignment is recast as an optimization problem using Markov decision theory. One seeks to minimize the expected or average cost of alignment subject to data-derived constraints. In this setting the problem is equiva ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150843

128. A Linear Programming Based Algorithm for Multiple Sequence Alignments
Topic: Modeling
Published: 2/17/2003
Authors: Fern Y Hunt, Agnes (Abbie) O'Gallagher, Anthony J Kearsley
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=50690

129. Reconstructing Images of Bar Codes for Construction Site Object Recognition
Topic: Modeling
Published: 9/1/2002
Authors: David E. Gilsinn, Geraldine S Cheok, Dianne M O'Leary
Abstract: This paper discusses a general approach to reconstructing ground truth intensity images of bar codes that have been distorted by LADARoptics. The first part of this paper describes the experimental data collection of several bar code images along w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150859

130. Comparative Statistical Analysis of Test Parts Manufactured in Production Environments
Report Number: 6868
Topic: Modeling
Published: 6/1/2002
Authors: David E. Gilsinn, Alice V. Ling
Abstract: Estimating error uncertainties arising in parts produced on machine tools in production machine shops is not a well understood process. The current study details a process of estimating these error uncertainties. A part with significant features was ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=150852



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