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You searched on: Author: kevin coakley

Displaying records 51 to 60 of 62 records.
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51. Alignment of Noisy Signals
Published: 2/1/2001
Authors: Kevin J Coakley, Paul D Hale
Abstract: We study the relative performance of various methods for aligning noisy one dimensional signals. In each method, we estimate the relative shifts of a set of signals which are translated with respect to each other. We simulate signals corrupted by bot ...

52. Guest Editorial: Advances in Quantitative Image Analysis
Published: 1/1/2001
Authors: Kevin J Coakley, M Levenson
Abstract: Kevin Coakley and Mark Levenson were invited to solicit papers on Quantitative Imaging for a special issue of the International Journal of Imaging Systems and TEchnology. They briefly describe the papers in a commentary that will appear in the speci ...

53. Likelihood Models for Two-Stage Neutron Lifetime Experiments
Published: 1/1/2001
Authors: Grace L Yang, Kevin J Coakley
Abstract: At the NIST Cold Neutron Research Facility, a multiple run neutron lifetime experiment is underway. Each run of the two-stage experiment consists of a neutron production stage and a neutron decay stage. Salient features of the experimental data are ...

54. Lumped-Element Models for On-Wafer Calibration
Published: 12/1/2000
Authors: David K Walker, Raian K. Kaiser, Dylan F Williams, Kevin J Coakley
Abstract: We examine electrical models for lumped-element impedance standards used in on-wafer network-analyzer calibrations. We illustrate the advantages of using models that are complicated enough to replicate the actual electrical behavior of the lumped sta ...

55. Time-Domain Measurement of the Frequency Response of High-Speed Photoreceivers to 50 GHz
Published: 9/1/2000
Authors: Tracy S. Clement, Paul D Hale, Kevin J Coakley, Chih-Ming Wang

56. Estimating the Magnitude and Phase Response of a 50 GHz Sampling Oscilloscope Using the Nose-to-Nose Method
Published: 6/1/2000
Authors: Paul D Hale, Tracy S. Clement, Kevin J Coakley, Chih-Ming Wang, Donald C. DeGroot, A. P. Verdoni
Abstract: We describe estimation of the magnitude and phase response of a sampling oscilloscope over 50 Ghz bandwidth using the nose-to-nose method. The measurements are corrected for the non-ideal properties of the oscilloscope and calibration apparatus, inc ...

57. Adaptive Use of Prior Information in Inverse Problems: An Application to Neutron Depth Profiling
Published: 3/1/2000
Authors: M Levenson, Kevin J Coakley
Abstract: A flexible class of Bayesian models is proposed to solve linear inverse problems. The models generalize linear regularization methods such as Tikhonov regularization and are motivated by the ideas of the image restoration model of Johnson et al. (19 ...

58. Least-Squares Estimation of Time-Base Distortion of Sampling Oscilloscopes
Published: 12/1/1999
Authors: Chih-Ming Wang, Paul D Hale, Kevin J Coakley

59. Empirical Modeling of Electromagnetic Accoustic Transducer Data
Report Number: 5087
Published: 8/1/1999
Authors: Kevin J Coakley, A V Clark, C S Hehman
Abstract: We characterize the observed phase and amplitude of acoustic birefringence data collected with an electromagnetic acoustic transducer (EMAT). Our characterization models are extended versions of an idealized model for acoustic birefringence. In the ...

60. Empirical Modeling of Electromagnetic Acoustic Transducer Data
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5087
Published: 8/1/1999
Authors: Kevin J Coakley, A V Clark, C S Hehman

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