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| Titel |
Ionospheric composition measurement by EISCAT using a global fit procedure |
| VerfasserIn |
B. Cabrit, W. Kofman |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 14, no. 12 ; Nr. 14, no. 12, S.1496-1505 |
| Datensatznummer |
250012515
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| Publikation (Nr.) |
 copernicus.org/angeo-14-1496-1996.pdf |
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| Zusammenfassung |
| The aim of this paper is to show the gain of
the global fit procedure compared to the classical gate-by-gate analysis in the
simultaneous determination of the temperatures and composition profiles in the
lower F region. A method for the evaluation of the transition altitude and the
width of the transition region between molecular and atomic ions is described in
the case of the EISCAT CP1 experiment; it is validated using a simulated
experiment. It is shown that alternating-code gates have to be processed
together with the long-pulse gates. Our new method is applied on six days of
actual data. The results obtained during quiet periods are compared with
independent estimations. |
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