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You searched on: Author: howard yoon

Displaying records 101 to 110 of 128 records.
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101. 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 ...

102. 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

103. 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 ...

104. 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 ...

105. Radiometric Calibration History of Visible and Near Infrared Portable Radiometers
Published: 1/1/2000
Authors: Bettye C Johnson, Steven W Brown, Howard W Yoon

106. 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 ...

107. Radiometric Measurement Comparisons Using Transfer Radiometers in Support of the Calibration of NASA's Earth Observing System (EOS) Sensors
Published: 9/1/1999
Authors: James J. Butler, Bettye C Johnson, Steven W Brown, Howard W Yoon, R Barnes, B L Markham, S F Biggar, E F Zalewski, P R Spyak, J W Cooper, F Sakuma
Abstract: EOS satellite instruments operating in the visible through the shortwave infrared wavelength regions (from 0.4 um to 2.5 um) are calibrated prior to flight for radiance using integrating spheres at a number of instrument builder facilities. The trac ...

108. The Fifth SeaWiFS Intercalibration Round-Robin Experiment (SIRREX-5), ed. by S.B. Hooker and E.R. Firestone
Published: 7/1/1999
Authors: Bettye C Johnson, Howard W Yoon, S S Bruce, Ping-Shine Shaw, Alan K Thompson, S B. Hooker, R A Barnes, E Eplee r, S Maritorena, J L Mueller

109. Determination of Radiance Temperatures Using Detectors Calibrated for Absolute Spectral Power Response
Published: 6/1/1999
Authors: Howard W Yoon, Charles E Gibson
Abstract: We describe a method of directly determining blackbody radiance temperatures using filter detectors calibrated for absolute spectral power responsivity. The calibrations for absolute power are derived from a highly-accurate cryogenic radiometer, an ...

110. Volume 4, The 1997 Prelaunch Radiometric Calibration of Sea WiFS
Published: 4/1/1999
Authors: Bettye C Johnson, Howard W Yoon, Sally Skidmore Bruce, Ping-Shine Shaw, E A Thompson, S B. Hooker, R Eplee, R Barnes, S Maritorena, J Mueller
Abstract: The Sea-viewing Side Field-of-view Sensor (SeaWiFS) was originally calibrated by the instrument's manufacturer, Santa Barbara Research Center (SBRC), in November 1993. In preparation for an August 1997 launch, the Sea WiFS Project and the Nation ...

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