About: The Usage of Frequency Swept Signals for Metal Detection

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://ieeexplore.ieee.org/search/srchabstract.jsp?tp=&arnumber=6172391&openedRefinements%3D*%26filter%3DAND%28NOT%284283010803%29%29%26matchBoolean%3Dtrue%26searchField%3DSearch+All%26queryText%3D%28Authors%3Asvatos%29
Description	The usage of frequency swept signals for an eddy current metal detector is described in this paper. The main task for researchers is to minimize false alarms which account for up to 99.9 % of the total alarms. Better discrimination should be performed to distinguish between mine and scrap metals. Firstly, a short theoretical background is presented. Secondly, experimental data measured by the search head of the metal detector ATMID is presented. The detector was excited with frequency swept sine signals from 1 kHz to 45 kHz. Synchronous demodulation was used for signal processing. Various spheres from different materials and sizes placed in the open air were used as the test targets. A grenade, without explosives, was also presented for comparison. Amplitude and phase graphs or polar graphs are presented to differentiate between the different objects. The usage of frequency swept signals for an eddy current metal detector is described in this paper. The main task for researchers is to minimize false alarms which account for up to 99.9 % of the total alarms. Better discrimination should be performed to distinguish between mine and scrap metals. Firstly, a short theoretical background is presented. Secondly, experimental data measured by the search head of the metal detector ATMID is presented. The detector was excited with frequency swept sine signals from 1 kHz to 45 kHz. Synchronous demodulation was used for signal processing. Various spheres from different materials and sizes placed in the open air were used as the test targets. A grenade, without explosives, was also presented for comparison. Amplitude and phase graphs or polar graphs are presented to differentiate between the different objects. (en)
Title	The Usage of Frequency Swept Signals for Metal Detection The Usage of Frequency Swept Signals for Metal Detection (en)
skos:prefLabel	The Usage of Frequency Swept Signals for Metal Detection The Usage of Frequency Swept Signals for Metal Detection (en)
skos:notation	RIV/68407700:21230/12:00183316!RIV13-MSM-21230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GD102/09/H082), S
http://linked.open...iv/cisloPeriodika	48
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vedral, Josef Svatoš, Jakub
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	176276
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/12:00183316
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Analog signal processing; frequency step sweep; metal detection; synchronous detection (en)
http://linked.open.../riv/klicoveSlovo	metal detection Analog signal processing synchronous detection frequency step sweep
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A6939E0F7B2D]
http://linked.open...i/riv/nazevZdroje	IEEE Transactions on Magnetics
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Sensors and intelligent sensor systems
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Vedral, Josef Svatoš, Jakub
http://linked.open...ain/vavai/riv/wos	000302087800061
issn	0018-9464
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1109/TMAG.2011.2173174
http://localhost/t...ganizacniJednotka	21230

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