Computer Science
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..19..685m&link_type=abstract
Advances in Space Research, Volume 19, Issue 4, p. 685-688.
Computer Science
1
Scientific paper
This paper details the design, implementation, and data analysis techniques used in a high speed photometer. The photometer is used to record auroral intensity with 40 kHz bandwidth. The photometer was designed with this high data rate to investigate the possibility of fluctuations in the auroral intensity at frequencies up through the lower hybrid frequency. This inexpensive design has been in operation for three field seasons at the Poker Flats Optical Observatory in Poker Flats Alaska. Data storage, handling and analysis are all complicated by the relatively high acquisition speeds. Inexpensive solutions to these problems are detailed, and the data analysis procedures for the large data sets are described. Representative results from flickering aurora are presented to show that intensity modulations in the aurora exist at frequencies above those observable with standard TV frame rates.
Hampton Don L.
McHarg Matthew G.
Nielsen H. C.
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