Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Bettye C. Johnson"'
Publikováno v:
Appl Opt
The long-term temporal stability of a spectrograph is one of the most important characteristics affecting the spectrograph’s radiometric performance. For many applications, from monitoring ocean color and lunar irradiance to laboratory irradiance m
Autor:
Steven W. Brown, M Feinholz, Bettye C. Johnson, M. G. Sorokin, Howard W. Yoon, John T. Woodward, Giuseppe Zibordi, Ilya Slutsker
Publikováno v:
Appl Opt
The Ocean Color component of the global Aerosol Robotic Network (AERONET-OC) utilizes CE-318 sun photometers modified for above-water radiometry from fixed structures such as oil rigs, lighthouses, and service platforms. Primarily, AERONET-OC measure
Publikováno v:
Metrologia. 43:S61-S65
We describe a Calibrated Hyperspectral Image Projector (CHIP) intended for radiometric testing of instruments ranging from complex hyperspectral or multispectral imagers to simple filter radiometers. The CHIP, based on the same digital mirror arrays
Autor:
Craig Donlon, T. J. Nightingale, Bettye C. Johnson, I. J. Barton, Peter J. Minnett, Joseph P. Rice, K. A. Maillet, Simon J. Hook, James J. Butler, Ali A. Abtahi
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 21:258-267
The second calibration and intercomparison of infrared radiometers (Miami2001) was held at the University of Miami's Rosenstiel School of Marine and Atmospheric Science (RSMAS) during May–June 2001. The participants were from several groups involve
Publikováno v:
International Journal of Remote Sensing. 24:339-356
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 programmes. Th
Autor:
Steven W. Brown, Bettye C. Johnson
Publikováno v:
International Journal of Remote Sensing. 24:215-224
We have designed and built a portable integrating sphere source for use at the National Aeronautics and Space Administration (NASA) satellite sensor calibration facilities in support of the Earth Observing System (EOS) calibration programme. The sour
Publikováno v:
Earth Observing Systems
The Advanced Baseline Imager (ABI) is the next-generation imaging sensor for the National Oceanic and Atmospheric Administration’s (NOAA’s) operational meteorological satellites in geostationary orbit. One pathway for traceability to reference st
Autor:
Robert D. Saunders, Howard W. Yoon, Kenneth G. Kreider, Michael R. Moldover, Christopher W. Meyer, B. W. Mangum, G T. Furukawa, Gregory F. Strouse, Bettye C. Johnson, Dean C. Ripple, Weston L. Tew, Charles E. Gibson
Publikováno v:
Journal of Research of the National Institute of Standards and Technology
The International Temperature Scale of 1990 (ITS-90) is defined from 0.65 K upwards to the highest temperature measurable by spectral radiation thermometry, the radiation thermometry being based on the Planck radiation law. When it was developed, the
Autor:
P Y. Barnes, Paul R. Spyak, Edward A. Early, James J. Butler, Bettye C. Johnson, Stuart F. Biggar, Carol J. Bruegge, Milutin M. Pavlov
Publikováno v:
Journal of Atmospheric and Oceanic Technology. 17:1077-1091
Laboratory measurements of the bidirectional reflectance distribution function (BRDRF) of diffuse reflectors are required to support calibration in the Earth Observing System (EOS) program of the National Aeronautics and Space Administration.
Publikováno v:
Metrologia. 35:563-568
An integrating-sphere source developed by MTL Systems, Inc. was calibrated for them by a commercial standards laboratory traceable to the National Institute of Standards and Technology (NIST), resulting in values of spectral radiance in the 400 nm to