A numerical study of equivalence in scanning thermistor bolometer radiometers for earth radiation budget applications

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dc.contributor.authorHaeffelin, Martialen
dc.contributor.committeechairMahan, James Roberten
dc.contributor.committeememberVick, Brian L.en
dc.contributor.committeememberDancey, Clinton L.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2014-03-14T21:52:50Zen
dc.date.adate2008-12-30en
dc.date.available2014-03-14T21:52:50Zen
dc.date.issued1993-02-05en
dc.date.rdate2008-12-30en
dc.date.sdate2008-12-30en
dc.description.abstractThe Earth Radiation Budget Experiment (ERBE) consists of a suite of three scanning and four nonscanning radiometric instruments on each of three satellites which monitor the solar-reflected and Earth-emitted components of the Earth's radiative energy budget. A numerical model has been formulated to study the dynamic behavior and equivalence of the ERBE scanning thermistor bolometer radiometers. The finite-difference method is applied to the detector of the ERBE scanning radiometer to characterize its thermal and electrical dynamic behavior. The thermal analysis confirms the thermal time constant of the instrument claimed by the vendor. The electrical model reveals that the instrument can be very sensitive to spatial variations of the incident thermal radiation. However, the analysis confirms that the hypothesis of equivalence is justified for viewing typical Earth scenes.en
dc.description.degreeMaster of Scienceen
dc.format.extentxiii, 108 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-12302008-063832en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-12302008-063832/en
dc.identifier.urihttp://hdl.handle.net/10919/46470en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1993.H344.pdfen
dc.relation.isformatofOCLC# 28130624en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1993.H344en
dc.subject.lcshArtificial satellitesen
dc.subject.lcshEarth resources technology satellitesen
dc.subject.lcshRadiometersen
dc.titleA numerical study of equivalence in scanning thermistor bolometer radiometers for earth radiation budget applicationsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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