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Author: bettye johnson
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Displaying records 121 to 130 of 162 records.
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121. Stray Light and Ocean Color Remote Sensing
Published: 1/1/2003
Authors: Steven W Brown, Bettye C Johnson, N Souaidia, R Barnes, D K Clark
Abstract: Instruments used to make radiometric measurements of the ocean are typically calibrated against incandescent sources with a spectral distribution that peaks in the near-infrared, while the radiant flux from the ocean peaks in the blue to green spectr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841732

122. Stray light correction algorithm for multi-spectral hyperspectral spectrographs
Published: 6/1/2012
Authors: Michael Feinholz, Stephanie J Flora, Steven W Brown, Yuqin Zong, Keith R Lykke, Mark A. Yarbrough, Bettye C Johnson, D. K. Clark
Abstract: An algorithm is developed to correct a multi-channel fiber-coupled spectrograph for stray or scattered light within the system. The efficacy of the algorithm is evaluated based on a series of validation measurements of sources with different spectra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909987

123. Stray-Light Correction Algorithm for Spectrographs
Published: 2/1/2003
Authors: Steven W Brown, Bettye C Johnson, M Feinholz, M Yarbrough, S Flora, Keith R Lykke, D K Clark
Abstract: In this work, we describe an algorithm to correct a spectrograph's response for stray light. Two recursion relations are developed: one to correct the system response when measuring broad-band calibration sources and a second to correct the response ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841618

124. Stray-Light Correction of the Marine Optical Buoy
Published: 6/1/2003
Authors: Steven W Brown, Bettye C Johnson, S Flora, M Feinholz, M Yarbrough, R Barnes, Y S Kim, Keith R Lykke, D K Clark
Abstract: In ocean-color remote sensing, approximately 90% of the flux at the sensor originates from atmospheric scattering, with the water-leaving radiance contribution the remaining 10 % of the total flux. Consequently, errors in the measured top-of-the atm ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841707

125. Stray-light Correction of the Marine Optical Buoy, ed. by J.L. Mueller, G.S. Fargion and C.R. McClain
Published: 1/1/2003
Authors: Steven W Brown, Bettye C Johnson, S J Flora, M E Feinholz, M A Yarbrough, R A Barnes, Y S Kim, Keith R Lykke, D K Clark
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104335

126. 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

127. System-Level Calibration of a Transfer Radiometer Used to Validate EOS Radiance Scales
Published: 1/1/2003
Authors: Bettye C Johnson, Steven W Brown, George P Eppeldauer, Keith R Lykke
Abstract: A number of transfer radiometers have been developed by the National Institute of Standards and Technology (NIST) with the support and funding of the National Aeronautics and Space Administration's (NASA's) satellite sensor calibration programs. The ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841430

128. System-level Calibration of a Transfer Radiometer used to Validate EOS Radiance Scales
Published: 1/1/2003
Authors: Bettye C Johnson, Steven W Brown, George P Eppeldauer, Keith R Lykke
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104552

129. Temperature Scales Using Radiation Thermometers Calibratied From Absolute Irradiance and Radiance Responsivity
Published: Date unknown
Authors: Howard W Yoon, David W Allen, Charles E Gibson, Robert D. Saunders, Bettye C Johnson, Steven W Brown, Keith R Lykke
Abstract: In the International Temperature Scale of 1990 (ITS-90), temperatures above the freezing temperature of silver are defined with radiation thermometers calibrated using spectral radiance ratios to one of the silver-, gold- or copper-freezing temperatu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841740

130. Temperature Scales using Radiation Thermometers Calibrated using Absolute Irradiance and Radiance Responsivity
Published: 1/1/2003
Authors: Howard W Yoon, David W Allen, Charles E Gibson, Robert D. Saunders, Bettye C Johnson, Steven W Brown, Keith R Lykke
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104811



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