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Author: howard yoon
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Displaying records 81 to 90 of 116 records.
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81. A Comparison of the Absolute Detector-Based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten Strip Lamps
Published: 9/1/2000
Authors: Howard W Yoon, Charles E Gibson
Abstract: Using a high-temperature blackbody (HTBB) and filter radiometers calibrated for absolute spectral power response, the spectral output of the blackbody, whose radiance temperature was determined using the filter radiometers, was used to assign spectra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841385

82. Radiometric Calibration History of Visible and Near-Infrared Portable Radiometers
Published: 9/1/2000
Authors: Bettye C Johnson, Steven W Brown, Howard W Yoon
Abstract: The National Institute of Standards and Technology (NIST), with the support of the National Aeronautics and Space Administration (NASA), has built several transfer radiometers that are used in radiometric measurement comparisons to validate spectral- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841411

83. Calibrated Thermal Microscopy of the Tool-Chip Interface in Machining
Published: 8/1/2000
Authors: Howard W Yoon, Matthew A. Davies, Timothy J Burns, Michael Kennedy
Abstract: A critical parameter in predicting tool wear during machining and in accurate computer simulations of machining is the spatially-resolved temperature at the tool-chip interface. We describe the development and the calibration of a nearly diffraction- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841438

84. Calibrated Thermal Microscopy of the Tool-Chip Interface in Machining
Published: 4/1/2000
Authors: Michael Kennedy, Matthew A. Davies, Howard W Yoon, Timothy J Burns
Abstract: A critical parameter in predicting tool wear during machining and in accurate computer simulations of machining is the spatially-resolved temperature at the tool-chip interface. We describe the development and the calibration of a nearly diffraction- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821922

85. A Comparison of ITS-90, Above the Silver Point, as Realised by NIST and NPL
Published: 1/1/2000
Authors: Graham Machin, Charles E Gibson, Bettye C Johnson, Howard W Yoon
Abstract: A comparison of the radiance temperature scales between 1000 C and 2700 C has been performed between the National Physical Laboratory (NPL) and the National Institute of Standards and Technology (NIST). Two transfer radiation thermometers, of identi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841356

86. Comparison of the Absolute Detector-based Spectral Radiance Assignment with the Current NIST-Assigned Spectral Radiance of Tungsten-strip Lamps
Published: 1/1/2000
Authors: Howard W Yoon, Charles E Gibson
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104276

87. Micro-NCT of the Tool-Chip Interface in Machining
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6572
Published: 1/1/2000
Authors: Timothy J Burns, Matthew A. Davies, Michael Kennedy, Howard W Yoon
Abstract: Machining is a ubiquitous manufacturing process with tremendous economic impact. For example, Dr. Eugene Merchant, who is a founder of the scientific treatment fo machining processes, recently estimated that approximately 15 % of the value of all man ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821885

88. NIST-PTB Measurements of the Radiometric Temperatures of a High-Temperature Black Body Using Filter Radiometers
Published: 1/1/2000
Authors: Howard W Yoon, P Sperfeld, S Galal Yousef, J Metzdorf
Abstract: The results of a bilateral intercomparison of radiometric temperatures of a high-temperature blackbody from 2100 K to 3100 K measured using filter radiometers are described. The measurements took place over a ten-day period in October 1998 at the PT ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841398

89. Radiometric Calibration History of Visible and Near Infrared Portable Radiometers
Published: 1/1/2000
Authors: Bettye C Johnson, Steven W Brown, Howard W Yoon
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103898

90. The Fifth SeaWiFS Intercalibration Round-Robin Experiment (SIRREX-S), July 1996
Published: 10/1/1999
Authors: Bettye C Johnson, Howard W Yoon, Sally Skidmore Bruce, Ping-Shine Shaw, E A Thompson, S B. Hooker, R Barnes, R Eplee, S Maritorena, J Mueller
Abstract: This report documents the fifth Sea-viewing Wide Field-of-view Sensor (SeaWiFS) Intercalibration Round-Robin experiment (SIRREX-5), which was held at the National Institute of Standards and Technology (NIST) on 23 July to 30 July 1996. The agenda fo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841397



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