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Performance analysis of a filtered wide field-of-view radiometer for earth radiation budget measurementsThe proposed Earth Radiation Budget Satellite System (ERBSS) of the 1980's will include a wide field-of-view (WFOV) fixed axes earth radiator discriminator consisting of a shortwave channel and a total (unfiltered) channel. The broadband spectral isolation required for the shortwave channel is achieved by use of a hemispherical fused silica (Suprasil W) dome filter placed in front of a wire wound thermopile radiation detector. A description is presented of the thermal response of the single-fused silica dome filter in the ERBSS WFOV shortwave channel conceptual design and the impact of that response on the channel measurement. Results from design definition and performance analysis studies are included. Problems associated with achieving the desired levels of confidence in a high accuracy filtered, WFOV radiometer are discussed. Design approaches, ground calibration, and data reduction techniques which minimize measurement uncertainties are explained.
Document ID
19790037102
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Cooper, J. E.
(NASA Langley Research Center Hampton, Va., United States)
Luther, M. R.
(Vought Corp. Hampton, Va., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Spacecraft Instrumentation
Meeting Information
Meeting: Conference on Atmospheric Radiation
Location: Davis, CA
Start Date: June 28, 1978
End Date: June 30, 1978
Accession Number
79A21115
Distribution Limits
Public
Copyright
Other

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