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Automated quality control of scene and residual FTIR spectra
1999 (English)In: Proceedings of SPIE, the International Society for Optical Engineering, ISSN 0277-786X, E-ISSN 1996-756X, Vol. 3821, p. 404-415Article in journal (Refereed) Published
Abstract [en]

Spectrally high-resolved infrared spectra from Fourier transform experiments are often used to determine atmospheric parameters. Reliability of results depends on the quality of the measured spectra and on the successful fit of modeled spectra to the measured ones. Algorithms are presented which enable automated quality control of measured spectra as well as the differences between measured and the calculated spectra, so-called residual spectra. The measured scene spectrum is checked for successful phase correction, the compliance of given maximum and minimum envelope functions, spectral patterns in the variance spectrum, which is calculated during coaddition of several spectra, if applicable. The symmetry of isolated lines, the consistence of expected and real noise, and the plausibility of the magnitude of background radiation are assessed.The quality of the spectral fit first is assessed by means of the X2-test and, is checked for superimposed functions, periodicities, spectral signatures, and conspicuous determine possible calculated spectra.

Place, publisher, year, edition, pages
1999. Vol. 3821, p. 404-415
National Category
Aerospace Engineering
Research subject
Space Technology
Identifiers
URN: urn:nbn:se:ltu:diva-27599DOI: 10.1117/12.364204Local ID: 11762640-0369-11e0-803d-000ea68e967bOAI: oai:DiVA.org:ltu-27599DiVA, id: diva2:1000786
Note
Upprättat; 1999; 20101209 (mmilz); Konferensartikel i tidskriftAvailable from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-30Bibliographically approved

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Milz, Mathias

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