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    The electron density around the earth, a high level product of the CLUSTER/WHISPER relaxation sounder

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    Authors
    Trotignon, J.G.
    Décréau, P.M.E.
    Rauch, J.L.
    Suraud, X.
    Grimald, S.
    El-Lemdani Mazouz, F.
    Vallières, X.
    Canu, P.
    Darrouzet, F.
    Masson, A.
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    Discipline
    Physical sciences
    Subject
    Acoustic waves
    Carrier concentration
    Earth atmosphere
    Natural frequencies
    Plasmas
    Resonance
    Classical wave receiver
    Natural waves
    Plasmasphere
    Thermal electrons
    Space research
    Audience
    Scientific
    Date
    2006
    Metadata
    Show full item record
    Description
    The WHISPER (Waves of High frequency and Sounder for Probing of Electron density by Relaxation) aboard the four CLUSTER satellites performs high frequency electric field measurements in the Earth's space environment, from the solar wind down to the plasmasphere. In active mode, the WHISPER behaves like a topside sounder. It provides, via the identification of resonances that are triggered at characteristic frequencies of the encountered ionised medium, reliable and accurate determination of the total density of thermal electrons. In passive mode, when the transmitter is switched off, it becomes a classical wave receiver. The 2 to 80 kHz frequency range of the electric component of natural waves is therefore monitored. The objective of the presentation is to show that the thermal electron density may be derived from the active and/or passive measurements of the WHISPER all along the CLUSTER trajectory, and almost everywhere, with a good accuracy compared with other estimates.
    Citation
    Trotignon, J.G.; Décréau, P.M.E.; Rauch, J.L.; Suraud, X.; Grimald, S.; El-Lemdani Mazouz, F.; Vallières, X.; Canu, P.; Darrouzet, F.; Masson, A. (2006). The electron density around the earth, a high level product of the CLUSTER/WHISPER relaxation sounder. , Proceedings Cluster and Double Star Symposium: 5th Anniversary of Cluster in Space, Issue 598,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/4520
    scopus: 2-s2.0-33646587322
    Type
    Conference
    Peer-Review
    No
    Language
    eng
    Links
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