Abstract In 2013 and 2015, investigations of the internal solar wind were carried out using the method of two-frequency radio sounding by signals from the Mars Express European spacecraft. The values of the S- and X-bands’ frequency and the differential frequency were registered with a sampling rate of 1s at the American and European networks of ground-based tracking stations. The spatial distribution of the frequency fluctuation’s level has been studied. It has been shown that the intensity of frequency fluctuation considerably decreases at high heliolatitudes. In some radio sounding sessions, quasiperiodic oscillations of sub-mHz band have been observed in the temporal spectra of frequency fluctuations; they are supposed to be associated with the density inhomogeneities, the sizes of which are close to the turbulence outer scale.


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    Titel :

    Quasiperiodic oscillations of the sub-mHz band in near-sun plasma according to the coherent radio occultation data


    Beteiligte:
    Efimov, A. I. (Autor:in) / Lukanina, L. A. (Autor:in) / Chashei, I. V. (Autor:in) / Kolomiets, S. F. (Autor:in) / Bird, M. K. (Autor:in) / Pätzold, M. (Autor:in)

    Erschienen in:

    Cosmic Research ; 56 , 1 ; 1-10


    Erscheinungsdatum :

    2018-01-01


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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