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www.adv-geosci.net/7/293/2006/
doi:10.5194/adgeo-7-293-2006
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MTG: resolution enhancement for MW measurements from geostationary orbits
Istituto di Scienze dell’Atmosfera e del Clima, Consiglio Nazionale delle Ricerche, Roma, Italy
Abstract. The purpose of this study is to develop and evaluate image processing techniques that improve the spatial resolution of the channels already selected in the preliminary studies for "Geostationary Observatory for Microwave Atmospheric Soundings (GOMAS)". Reference high resolution multifrequency brightness temperatures scenarios have been derived by applying radiative transfer calculation to the spatially and microphysically detailed output of meteorological events simulated by the University of Wisconsin - Non-hydrostatic Model System. Two approaches, Wiener filter and SIR algorithm, have been applied to low frequency channels to enhance the resolution of antenna temperatures, exploiting the oversampling available for GOMAS channels observational strategy. Quite similar improvements have been obtained by applying the two techniques, even if SIR algorithm has provided generally better performances at computation time's expense.
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Citation: Dietrich, S., Di Paola, F., and Bizzarri, B.: MTG: resolution enhancement for MW measurements from geostationary orbits, Adv. Geosci., 7, 293-299, doi:10.5194/adgeo-7-293-2006, 2006. Bibtex EndNote Reference Manager XML
