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Recent research on magnetospheric wave-particle interactions
https://nipr.repo.nii.ac.jp/records/1808
https://nipr.repo.nii.ac.jp/records/1808394db7b2-049c-4fee-9a13-5f5bf4885784
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012440 (2.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1985-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Recent research on magnetospheric wave-particle interactions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Helliwell, R.A.
× Helliwell, R.A.× Inan, U.S.× Katsufrakis, J.P.× Carpenter, D.L.× Paschal, E.W. |
|||||
著者所属(英) | ||||||
en | ||||||
Space, Telecommunications, and Radioscience Laboratory, Stanford University/Space, Telecommunications, and Radioscience Laboratory, Stanford University/Space, Telecommunications, and Radioscience Laboratory, Stanford University/Space, Telecommunications, and Radioscience Laboratory, Stanford University/Space, Telecommunications, and Radioscience Laboratory, Stanford University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Highlights of recent Stanford University VLF research in the Antarctic include new observations of wave-induced particle precipitation and controlled experiments on nonlinear wave growth phenomena. Higher-than-expected levels of burst precipitation have been discovered inside the plasmasphere, near L=2,using subionospheric signal perturbations called "Trimpi events". Studies of burst precipitation have been extended to the region poleward of the plasmapause using the Siple transmitter signal as a waveguide probe. Experiments on the "coherent wave instability", using the amplitude and frequency modulation capability of the new Siple transmitter, have produced exciting new results. Examples are : 1) better definition of the power threshold for the stimulation of temporal wave growth, 2) generation of strong sidebands by unamplified "beat" waves and 3) generation of chorus-like elements within a band of simulated hiss. Using a new digital processing technique developed at Stanford, new features of the phase behavior of growing waves have been found. Opportunities for extending these experiments are discussed. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 38, p. 83-98, 発行日 1985-12 |