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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F11%3A00182940%21RIV12-MSM-21230___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
This paper describes a novel type of metal markers for eddy current metal detection systems using precise positioning information. The new design for metal markers which are compounded by an ordered array of metal plates with different magnetic parameters has three fundamental advantages: 1. the markers are sensed directly by the metal detector, and no additional hardware is required; 2. the signatures are sharp; 3. not only the position but also the speed of the detector head can be evaluated. In the case of a stand-alone inertial navigation system for evaluating the position of the detector, the precision would be low due to the sensor noise and its integration. However, knowledge of the relative positions and potentially of the detector head speed over the markers can be used as auxiliary information, and so the eddy-current mapping system will be capable of determining the size of the magnetic imprint of a detected metal object and its position relative to the markers. This paper describes a novel type of metal markers for eddy current metal detection systems using precise positioning information. The new design for metal markers which are compounded by an ordered array of metal plates with different magnetic parameters has three fundamental advantages: 1. the markers are sensed directly by the metal detector, and no additional hardware is required; 2. the signatures are sharp; 3. not only the position but also the speed of the detector head can be evaluated. In the case of a stand-alone inertial navigation system for evaluating the position of the detector, the precision would be low due to the sensor noise and its integration. However, knowledge of the relative positions and potentially of the detector head speed over the markers can be used as auxiliary information, and so the eddy-current mapping system will be capable of determining the size of the magnetic imprint of a detected metal object and its position relative to the markers.
dcterms:title
Metal Objects Discrimination Metal Objects Discrimination
skos:prefLabel
Metal Objects Discrimination Metal Objects Discrimination
skos:notation
RIV/68407700:21230/11:00182940!RIV12-MSM-21230___
n11:predkladatel
n17:orjk%3A21230
n3:aktivita
n8:Z n8:S n8:P
n3:aktivity
P(GD102/09/H082), S, Z(MSM6840770015)
n3:dodaniDat
n7:2012
n3:domaciTvurceVysledku
n4:9294635 n4:8066523
n3:druhVysledku
n14:O
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
211707
n3:idVysledku
RIV/68407700:21230/11:00182940
n3:jazykVysledku
n6:eng
n3:klicovaSlova
Metal detection; Signal processing; Object discrimination
n3:klicoveSlovo
n9:Metal%20detection n9:Signal%20processing n9:Object%20discrimination
n3:kontrolniKodProRIV
[83E0080D29E4]
n3:obor
n16:JB
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n18:GD102%2F09%2FH082
n3:rokUplatneniVysledku
n7:2011
n3:tvurceVysledku
Nováček, Petr Ripka, Pavel
n3:zamer
n12:MSM6840770015
n19:organizacniJednotka
21230