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Radiometric Calibration of the Earth Observing System's Imaging SensorsThe work on the grant was mainly directed towards developing new, accurate, redundant methods for the in-flight, absolute radiometric calibration of satellite multispectral imaging systems and refining the accuracy of methods already in use. Initially the work was in preparation for the calibration of MODIS and HIRIS (before the development of that sensor was canceled), with the realization it would be applicable to most imaging multi- or hyper-spectral sensors provided their spatial or spectral resolutions were not too coarse. The work on the grant involved three different ground-based, in-flight calibration methods reflectance-based radiance-based and diffuse-to-global irradiance ratio used with the reflectance-based method. This continuing research had the dual advantage of: (1) developing several independent methods to create the redundancy that is essential for the identification and hopefully the elimination of systematic errors; and (2) refining the measurement techniques and algorithms that can be used not only for improving calibration accuracy but also for the reverse process of retrieving ground reflectances from calibrated remote-sensing data. The grant also provided the support necessary for us to embark on other projects such as the ratioing radiometer approach to on-board calibration (this has been further developed by SBRS as the 'solar diffuser stability monitor' and is incorporated into the most important on-board calibration system for MODIS)- another example of the work, which was a spin-off from the grant funding, was a study of solar diffuser materials. Journal citations, titles and abstracts of publications authored by faculty, staff, and students are also attached.
Document ID
19970011087
Acquisition Source
Headquarters
Document Type
Contractor Report (CR)
Authors
Slater, Philip N.
(Arizona Univ. Phoenix, AZ United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1997
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
NAS 1.26:203500
NASA-CR-203500
Report Number: NAS 1.26:203500
Report Number: NASA-CR-203500
Accession Number
97N16126
Funding Number(s)
CONTRACT_GRANT: NAGW-896
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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