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Author: bettye johnson
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Displaying records 31 to 40 of 166 records.
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31. Radiometric validation of NASA's Ames Research Center's Sensor Calibration Laboratory
Published: 1/1/2005
Authors: R A Barnes, S F Biggar, Steven W Brown, James J. Butler, J Cooper, P Grant, P Hajek, E Hildum, Bettye C Johnson, E F Zalewski
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101070

32. Summary of NIST Short Courses offered by the Optical Technology Division
Published: 1/1/2005
Authors: Carl C Miller, Howard W Yoon, Bettye C Johnson, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104636

33. Metrology for Remote Sensing Radiometry, ed. by S. Morain Page: A. Budge
Published: 1/1/2004
Authors: Bettye C Johnson, Steven W Brown, Joseph Paul Rice
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104550

34. The Miami 2001 Infrared Radiometer Calibration and Intercomparison: Laboratory Characterization of Blackbody Sources
Published: 1/1/2004
Authors: Joseph Paul Rice, James J. Butler, Bettye C Johnson, P J Minnett, K A Maillet, T J Nightingale, S J Hook, A Abtahi, C J Donlon, I J Barton
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104136

35. A Comparison of Laser-Based and Conventional Calibrations of Sun Photometers
Published: 11/10/2003
Authors: N Souaidia, C Pietras, G Fargion, R A Barnes, R Frouin, Keith R Lykke, Bettye C Johnson, Steven W Brown
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104764

36. Advances in Radiometry for Ocean Color
Published: 11/10/2003
Authors: Steven W Brown, D K Clark, Bettye C Johnson, Howard W Yoon, Keith R Lykke, S Flora, M Feinholz, N Souaidia, C Pietras, Thomas C Stone, M Yarbrough, Y S Kim, R Barnes, J Mueller
Abstract: Organic materials in the oceans have spectral signatures based on their light-scattering properties. These optical properties are related to bio-physical and bio-chemical data products, such as the concentration of phytoplankton chlorophyll-{alpha} ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840030

37. Calibration and Characterization of Trap Detector Filter Radiometers
Published: 11/1/2003
Authors: David W Allen, George P Eppeldauer, Steven W Brown, E A. Early, Bettye C Johnson, Keith R Lykke
Abstract: We describe the development of a mechanically simple, radiometrically stable transfer radiometer designed for both radiance and irradiance measurements. The filter radiometer consists of a six-element Si trap detector, a temperature stabilized filter ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841781

38. Comparison of Laser-Based and Conventional Calibrations of Sun Photometers
Published: 11/1/2003
Authors: N Souaidia, C Pietras, G Fargion, R Barnes, R Frouin, Keith R Lykke, Bettye C Johnson, Steven W Brown
Abstract: Sun photometers are used to characterize the radiative properties of the atmosphere. They measure both the incident solar irradiance as well as the sky radiance (from scattered incident flux). Global networks of sun photometers provide data product ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841754

39. Preliminary Results of Aperture-Area Comparison for Exo-Atmospheric Solar Irradiance
Published: 11/1/2003
Authors: Bettye C Johnson, Maritoni Abatayo Litorja, James J. Butler
Abstract: Exo-atmospheric
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841755

40. The Development and Characterization of an Absolute Pyrometer Calibrated for Radiance Responsivity
Published: 9/1/2003
Authors: David W Allen, Robert D. Saunders, Bettye C Johnson, Charles E Gibson, Howard W Yoon
Abstract: The International Temperature Scale of 1990 (ITS-90), for temperatures above the freezing temperature of silver, is defined with pyrometers which rely upon spectral radiance ratios to one of the silver, gold or copper freezing temperature blackbodies ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841673



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