Geodesic
Method of noise detection in magnetic data
Vestnik KRAUNC. Fiziko-matematičeskie nauki, Tome 29 (2019) no. 4, pp. 87-97

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The method of detection of noise in magnetic data based on wavelet transformation and threshold functions is considered. Efficiency is shown by the results of analysis of fluxgate magnetometer FGE-DTU measurements at Observatory Paratunka, Kamchatka, IKIR FEB RAS. The noise from natural sources such as earthquakes in Kamchatka region and from artificial sources such as the vertical sounding of ionosphere by the ionosonde near Observatory is considered. Detailed time-frequency structure of noise in 2 Hz records of Z and D components is investigated. To automation the method for considered examples of noise the informative scale levels of wavelet-transformation are determined and parameters of threshold functions appreciated.
Keywords: noise in magnetic data, wavelet transform, data analysis. 
@article{VKAM_2019_29_4_a9,
     author = {S. Yu. Papsheva and O. V. Mandrikova and S. Yu. Khomutov},
     title = {Method of noise detection in magnetic data},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {87--97},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2019_29_4_a9/}
}
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S. Yu. Papsheva; O. V. Mandrikova; S. Yu. Khomutov. Method of noise detection in magnetic data. Vestnik KRAUNC. Fiziko-matematičeskie nauki, Tome 29 (2019) no. 4, pp. 87-97. http://geodesic.mathdoc.fr/item/VKAM_2019_29_4_a9/