Computer Science – Sound
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18..155d&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 18, Feb. 1991, p. 155-158. Research supported by Swedish Board for Space Act
Computer Science
Sound
94
Auroral Zones, Electron Plasma, Electrostatic Waves, Noise Generators, Solitary Waves, Sound Waves, Broadband, Electric Field Strength, Plasma Frequencies, Viking Spacecraft
Scientific paper
Broadband electrostatic noise (BEN) bursts whose amplitude sometimes reaches about 100 mV/m have been observed by the Viking satellite in the dayside auroral zone. These emissions have been shown to be greatly influenced by nonlinear effects and to occur simultaneously with the observation of particle distributions favoring the destabilization of the electron acoustic mode. It is shown that electron acoustic solitons passing by the satellite would generate spectra that can explain the high-frequency part of BEN, above the electron plasma frequency.
Dubouloz Nicolas
Malingre Michel
Pottelette Raymond
Treumann Rudolf A.
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