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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F13%3A00206212%21RIV14-MSM-21230___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Presented device is a detector of metallic and ferromagnetic objects with the ability to create images of magnetic fields. The detection head utilizes an array of 16 gradiometers composed of anisotropic magnetoresistors (AMRs) which are sensitive to both steady-state (DC) and alternating (AC) magnetic fields. Thus the sensors are sensitive to ferromagnetic objects. With the addition of an external excitation field also non-ferromagnetic metals are detected due to the magnetic response of eddy currents. The array of sensors is arranged in a linear scanner so the scanning speed is good, the scanning area is 0.6 m wide and the resolution in the direction of scanner motion is high. Digitized signals of gradiometers are transferred to a portable computer to create maps of DC and AC magnetic fields which correspond to the shape, depth and material of the detected objects. Presented device is a detector of metallic and ferromagnetic objects with the ability to create images of magnetic fields. The detection head utilizes an array of 16 gradiometers composed of anisotropic magnetoresistors (AMRs) which are sensitive to both steady-state (DC) and alternating (AC) magnetic fields. Thus the sensors are sensitive to ferromagnetic objects. With the addition of an external excitation field also non-ferromagnetic metals are detected due to the magnetic response of eddy currents. The array of sensors is arranged in a linear scanner so the scanning speed is good, the scanning area is 0.6 m wide and the resolution in the direction of scanner motion is high. Digitized signals of gradiometers are transferred to a portable computer to create maps of DC and AC magnetic fields which correspond to the shape, depth and material of the detected objects.
dcterms:title
Linear Scanner with Magnetic Field Mapping Linear Scanner with Magnetic Field Mapping
skos:prefLabel
Linear Scanner with Magnetic Field Mapping Linear Scanner with Magnetic Field Mapping
skos:notation
RIV/68407700:21230/13:00206212!RIV14-MSM-21230___
n17:predkladatel
n19:orjk%3A21230
n3:aktivita
n21:S
n3:aktivity
S
n3:dodaniDat
n5:2014
n3:domaciTvurceVysledku
n10:5074363 n10:7555180
n3:druhVysledku
n13:D
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
85007
n3:idVysledku
RIV/68407700:21230/13:00206212
n3:jazykVysledku
n18:eng
n3:klicovaSlova
metal detector; gradiometer; anisotropic magnetoresistor; magnetic field mapping
n3:klicoveSlovo
n4:magnetic%20field%20mapping n4:metal%20detector n4:anisotropic%20magnetoresistor n4:gradiometer
n3:kontrolniKodProRIV
[4254EF149CED]
n3:mistoKonaniAkce
Prague
n3:mistoVydani
Prague
n3:nazevZdroje
POSTER 2013 - 17th International Student Conference on Electrical Engineering
n3:obor
n20:JB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n5:2013
n3:tvurceVysledku
Vyhnánek, Jan Král, Jakub
n3:typAkce
n15:EUR
n3:zahajeniAkce
2013-05-16+02:00
s:numberOfPages
4
n16:hasPublisher
České vysoké učení technické v Praze
n9:isbn
978-80-01-05242-6
n11:organizacniJednotka
21230