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Efficient radiative...
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Buehler, Stefan A.Luleå tekniska universitet,Rymdteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)
(författare)
Efficient radiative transfer simulations for a broadband infrared radiometer—Combining a weighted mean of representative frequencies approach with frequency selection by simulated annealing
- Artikel/kapitelEngelska2010
Förlag, utgivningsår, omfång ...
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Elsevier BV,2010
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:ltu-8116
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-8116URI
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https://doi.org/10.1016/j.jqsrt.2009.10.018DOI
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https://research.chalmers.se/publication/105205URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Validerad; 2010; 20091029 (ysko)
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We present a method to efficiently simulate the measurements of a broadband infrared instrument. The High Resolution Infrared Radiation Sounder (HIRS) instrument is used as example to illustrate the method. The method uses two basic ideas. Firstly, the channel radiance can be approximated by a weighted mean of the radiance at some representative frequencies, where the weights can be determined by linear regression. Secondly, a near-optimal set of representative frequencies can be found by simulated annealing.The paper does not only describe and analyze the method, it also describes how the method was used to derive optimized frequency grids for the HIRS instruments on the satellites TIROS N, NOAA 6-19, and Metop A. The grids and weights, as well as the optimization algorithm itself are openly available under a GNU public license.
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John, V.O.Met Office Hadley Centre, FitzRoy Road, Exeter EX1 3PB, UK,Met Office
(författare)
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Kottayil, AjilLuleå tekniska universitet,Rymdteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)(Swepub:ltu)ajikot
(författare)
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Milz, MathiasLuleå tekniska universitet,Rymdteknik,Luleå tekniska universitet (LTU),Luleå University of Technology (LTU)(Swepub:ltu)mmilz
(författare)
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Eriksson, Patrick,1964Radio and Space Science, Chalmers University of Technology, 41296 Göteborg, Sweden,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)patrick2
(författare)
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Luleå tekniska universitetRymdteknik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Quantitative Spectroscopy and Radiative Transfer: Elsevier BV111:4, s. 602-6150022-40731879-1352
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