Identification of geomagnetic pulsations in SQUID data for Space Weather research
Typ dokumentu
článek v časopisejournal article
Peer-reviewed
acceptedVersion
Autor
Saunderson E.F.
Janošek M.
Dressler M.
Nel A.E.
Lotz S.I.
Fourie C.J.
Práva
Creative Commons Attribution-ShareAlike (CC BY-SA) 4.0http://creativecommons.org/licenses/by-sa/4.0/
openAccess
Metadata
Zobrazit celý záznamAbstrakt
The SQUID records small geomagnetic variations such as pulsations, which are short period fluctuations of the geomagnetic field at ULF frequencies. To distinguish pulsations from uncorrelated noise, the SQUID data is correlated with fluxgate data from the two closest INTERMAGNET observatories. Man-made noise and SQUID oscillations should give low coherence. Coherence higher than 0.9 was found when pulsations were present in the data and the algorithm has also proven effective on data contaminated with the thermal SQUID oscillations.
Kolekce
- Publikační činnost ČVUT [1331]
Kromě případů, kde je uvedeno jinak, licence tohoto záznamu je Creative Commons Attribution-ShareAlike (CC BY-SA) 4.0