Computer Science – Sound
Scientific paper
Mar 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jgr....81.1269s&link_type=abstract
Journal of Geophysical Research, vol. 81, Mar. 1, 1976, p. 1269-1278.
Computer Science
Sound
2
Auroral Spectroscopy, Electron Counters, Electron Flux Density, Frequency Modulation, High Frequencies, Low Frequencies, Cross Correlation, Data Reduction, Electronic Spectra, Frequency Ranges, Nyquist Frequencies, Rocket Sounding, Rocket-Borne Instruments, Spectrum Analysis
Scientific paper
A sounding rocket-borne electron detector of high time resolution is used to search for modulation of auroral electron fluxes in the frequency range 50 kHz to 10 MHz and energy range 5-7 keV. Data were telemetered to ground via a 93-kHz subcarrier. A cross-correlation analysis of the data collected indicates low-level modulation near the detection threshold of the instrument. Two U-1 events are observed which are interpreted as indications of modulation. The two modulation events occur during a period of increasing flux for a region marking the boundary between two current sheets detected by the payload magnetometer. The strongest argument against interference contamination is the lack of any observable modulation at times other than those mentioned in the study.
Anderson Hugh R.
Loewenstein Robert F.
Murphree John S.
Spiger R. J.
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