Determination of the temperature of an object with unknown emissivity using five measured brightness temperatures

A numerical variational method of determining the temperature of an object with unknown emissivity using five measured brightness temperatures is described. The criterion for the determination is a minimum of the sum of the squares of the deviations of the calculated monochromatic emissivity from th...

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Bibliographic Details
Published in:Measurement techniques 2013-03, Vol.55 (12), p.1396-1400
Main Authors: Frunze, A. A., Frunze, A. V.
Format: Article
Language:English
Subjects:
Algorithms
Analytical Chemistry
Brightness temperature
Characterization and Evaluation of Materials
Criteria
Deviation
Emissivity
Mathematical analysis
Measurement
Measurement Science and Instrumentation
Measurement techniques
Molybdenum
Physical Chemistry
Physics
Physics and Astronomy
Polynomials
Radiation
Regression
Studies
Temperature
Temperature measurements
Variational methods
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Description
Summary:A numerical variational method of determining the temperature of an object with unknown emissivity using five measured brightness temperatures is described. The criterion for the determination is a minimum of the sum of the squares of the deviations of the calculated monochromatic emissivity from their corresponding values on the polynomial regression curve.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-013-0139-8