The analysis of gradiometer signal in magnetic field measurement with fluxgate transducer

Marin, Georgiana; Radu, Serghei; Samoilescu, Gheorghe; Baltag, Octavian

doi:10.1109/iccomm.2014.6866724

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“…The authors deal with UXO detection in ground [8], [9] or underwater [10]- [13] conditions using various instruments and techniques. We considered the application of multi-sensor instruments measuring simple magnitude gradient or even full gradient tensor.…”

Section: Instruments and Methodsmentioning

confidence: 99%

Localization of the Chelyabinsk Meteorite From Magnetic Field Survey and GPS Data

Kletetschka

Vyhnánek

Kawasumiova³

et al. 2015

IEEE Sensors J.

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The Chelyabinsk meteorite fragment that landed in the Chebarkul lake in Russia on February 15, 2013 weighed over half a ton. We provide magnetic field maps that were obtained during underwater measurements above the fragment. The data acquisition process was multiple global position system referenced magnetic surveys 0.5-1 m above the top of the lake sediment layer at 10 m water depth. Gradiometric configuration of the survey using two triaxial fluxgate magnetometers helped to suppress local geological anomalies. The location of the ice crater and the underwater magnetic anomaly provided final meteorite landing coordinates, which were made available during meteorite recovery.Index Terms-Gradient methods, fluxgate sensor, global positioning system, meteorite search.

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Section: Instruments and Methodsmentioning

confidence: 99%