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You searched on: Author: bettye johnson

Displaying records 21 to 30 of 158 records.
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21. Simple Spectral Stray Light Correction Method for Array Spectroradiometers
Published: 2/20/2006
Authors: Yuqin Zong, Steven W Brown, Bettye C Johnson, Keith R Lykke, Yoshihiro Ohno
Abstract: In many applications, the measurement accuracy of spectroradiometers, particularly instruments with a single dispersive element, is limited by the presence of stray radiation within the instrument. A simple, practical method has been developed to co ...

22. Bandwith and spectral stray light effects in the NASA GSFC Radiometric Calibration Facility primary transfer radiometer
Published: 1/1/2006
Authors: R A Barnes, Steven W Brown, James J. Butler, Jill Cooper, Bettye C Johnson, J E Marketon

23. Hyperspectral image projector for advanced sensor characterization
Published: 1/1/2006
Authors: Joseph Paul Rice, Steven W Brown, Jorge Enrique Neira, Robert R. Bousquet, Bettye C Johnson

24. Hyperspectral image projectors for radiometric applications
Published: 1/1/2006
Authors: Joseph Paul Rice, Steven W Brown, Bettye C Johnson, Jorge Enrique Neira

25. Correction of Stray Light in Spectrographs: Implications for Remote Sensing
Published: 8/22/2005
Authors: Yuqin Zong, Steven W Brown, Bettye C Johnson, Keith R Lykke, Yoshihiro Ohno
Abstract: Spectrographs are used in a variety of applications in the field of remote sensing for radiometric measurements due to the benefits of measurement speed, sensitivity, and portability. However, spectrographs are single grating instruments that are su ...

26. 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

27. 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

28. 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

29. 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

30. 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} ...

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