|
Detailed Reference Information |
Sotnikov, V.I., Fiala, V., Lefeuvre, F., Lagoutte, D. and Mogilevsky, M. (1991). Excitation of sidebands due to nonlinear coupling between a VLF transmitter signal and a natural ELF emission. Journal of Geophysical Research 96: doi: 10.1029/91JA00695. issn: 0148-0227. |
|
Symmetric sidebands are observed in the ionosphere by the AUREOL 3 satellite when it passes at a height of 1200 km above the VLF transmitter at the Komsomolsk-on-Amur Alpha station (50¿5 N, 135¿ E, frequency 11.90 and 12.65 kHz). The sidebands are about 500 Hz off the carrier frequency of Alpha pulses. They are approximately 20 dB lower than the transmitter signal, and they appear only when ELF natural emission above the local proton gyrofrequency is observed. The data are presented and analyzed. The nonlinear coupling of the VLF transmitter signal to natural ELF emission is invoked to explain the symmetric sidebands. It is shown that the nonlinear current excited by the beats of VLF and ELF waves is strong enough to explain the sideband amplitude. ¿American Geophysical Union 1991 |
|
|
|
BACKGROUND DATA FILES |
|
|
Abstract |
|
|
|
|
|
Keywords
Space Plasma Physics, Wave-wave interactions, Space Plasma Physics, Nonlinear phenomena, Radio Science, Waves in plasma, Ionosphere, Active experiments, Ionosphere |
|
Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
|
|
|