Optimized Merging of Search-Coil and Fluxgate Data for the Magnetospheric Multiscale Mission (2018)
Abstract / truncated to 115 words
he main objective of the Magnetospheric Multiscale (MMS) mission is to characterize fine-scale structures in the Earth’s magnetotail and magnetopause. These dynamic structures traverse the MMS spacecraft formation at high speed and generate magnetic field signatures that cross the sensitive frequency bands of both search-coil and fluxgate magnetometers. An improved understanding of these events is only possible by combining data from both instrument types for magnetospheric event analysis. This combination is done using a model-based sensor fusion approach that merges data from both instrument types to a virtual instrument with flat gain curve, linear phase and known timing properties as well as the highest sensitivity and lowest noise floor. The generation of the underlying instrument ... toggle 9 keywordssensor fusion – search-coil – fluxgate – MMS – measurement of magnetic fields – complementary filters – generation of synchronized magnetic field – system identification – magnetospheric multiscale
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