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Nonlinear analysis of decimetric solar bursts
- 1.0355597 - ASÚ 2011 RIV GB eng C - Conference Paper (international conference)
Rosa, R. R. - Bolzan, M.J.A. - Fernandes, F. C. R. - Sawant, H. S. - Karlický, Marian
Nonlinear analysis of decimetric solar bursts.
Solar and stellar variability: Impact on Earth and planets. Cambridge: Cambridge University Press, 2010 - (Kosovichev, A.; Andrei, A.; Rozelot, J.), s. 279-281. IAU Symposium Proceedings Series, IAU S264. ISBN 978-0-521-76492-6. ISSN 1743-9213.
[Symposium of the International Astronomical Union /264./. Rio de Janeiro (BR), 03.08.2009-07.08.2009]
Institutional research plan: CEZ:AV0Z1003909
Keywords : turbulence * radio radiation * solar-terrestrial relations
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
The solar radio emissions in the decimetric frequency range (above 1 GHz) are very rich in temporal and spectral fine structures due to nonlinear processes occurring in the magnetic structures on the corresponding active regions. In this paper we characterize the singularity spectrum, f (a), for solar bursts observed at 1.6, 2.0 and 3 CHz. We interpret our findings as evidence of inhornogeneous plasma turbulence driving the underlying plasma emission process and discuss the nonlinear multifractal approach into the context of geoeffective solar active regions.
Permanent Link: http://hdl.handle.net/11104/0194331
Number of the records: 1