An electrostatic-wave topside sounder has been flown to study electron plasma resonances. Unique features of this sounder are the preservation of data spectra, a frequency synthesizer, and a gain-change mechanism. Preservation of the spectra provided frequency information with a resolution of a few hundred hertz by use of a fast Fourier transform while the synthesizer provided the necessary frequency stability. The gain-change mechanism provided information on the strength of the resonances. Resulting data support the electrostatic-wave echo theory of topside resonances.


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    Titel :

    An Electrostatic-Wave Topside Sounder


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    01.11.1972


    Format / Umfang :

    4082606 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    TOPSIDE SOUNDER PROGRAM

    Blumle, L. J. / Fitzenreiter, R. J. / Jackson, J. E. | NTRS | 1963


    Canada's topside sounder

    Gatland, K. | Engineering Index Backfile | 1961


    NASA topside sounder program

    Blumle, L.J. / Fitzenreiter, R.J. / Jackson, J.E. | Engineering Index Backfile | 1962


    THE NASA TOPSIDE SOUNDER PROGRAM

    Blumble, L. J. / Fitzenreiter, R. J. / Jackson, J. E. | NTRS | 1963


    Meteoroid impact on topside sounder satellite

    Mar, J. | Engineering Index Backfile | 1962