Oscillating behaviour of hazardous gas on tin oxide gas sensor: Fourier and wavelet transform analysis

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dc.contributor.authorHuang, XJko
dc.contributor.authorChoi, Yang-Kyuko
dc.contributor.authorYun, KSko
dc.contributor.authorYoon, Eko
dc.date.accessioned2008-02-21T07:19:52Z-
dc.date.available2008-02-21T07:19:52Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-05-
dc.identifier.citationSENSORS AND ACTUATORS B-CHEMICAL, v.115, no.1, pp.357 - 364-
dc.identifier.issn0925-4005-
dc.identifier.urihttp://hdl.handle.net/10203/3133-
dc.description.abstractThe oscillating behaviour of TGS813 and TGS203S sensors in hazardous gases such as LPG and CO was studied under the oscillating conditions of rectangular wave, applied voltage 5 V, and duty ratio as 30 s/(30 s + 20 s). It was shown that the oscillating behaviour was obviously different with the two type sensors. The data features were extracted by using Fourier and wavelet transform (WT). There were some very obscure differences among the amplitudes in fast Fourier transform (FFT) under different concentrations of LPG or CO. Further FFT analysis showed that it was difficult to discriminate between 800 ppm LPG and 800 ppm CO because of very little difference in the frequency content. By comparison, the corresponding coefficient plots in continuous wavelet transform (CWT) were investigated, and the original signal was also decomposed into coarse approximation A1 and five detailed information D5-D1. The results showed that the WT was more appropriate than FFT for the frequency-time problem. (c) 2005 Elsevier B.V. All rights reserved.-
dc.description.sponsorshipThis work was supported by Brain Korea 21 project, the school of information technology, Korea Advanced Institute of Science and Technology in 2005.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE SA-
dc.subjectSENSING PROPERTIES-
dc.subjectTEMPERATURE MODULATION-
dc.subjectPESTICIDE-RESIDUE-
dc.subjectCO DETECTION-
dc.subjectTHIN-FILMS-
dc.subjectSEMICONDUCTOR-
dc.subjectPEROVSKITE-
dc.subjectH-2-
dc.titleOscillating behaviour of hazardous gas on tin oxide gas sensor: Fourier and wavelet transform analysis-
dc.typeArticle-
dc.identifier.wosid000236929100050-
dc.identifier.scopusid2-s2.0-33645736679-
dc.type.rimsART-
dc.citation.volume115-
dc.citation.issue1-
dc.citation.beginningpage357-
dc.citation.endingpage364-
dc.citation.publicationnameSENSORS AND ACTUATORS B-CHEMICAL-
dc.identifier.doi10.1016/j.snb.2005.09.022-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorChoi, Yang-Kyu-
dc.contributor.nonIdAuthorHuang, XJ-
dc.contributor.nonIdAuthorYun, KS-
dc.contributor.nonIdAuthorYoon, E-
dc.type.journalArticleArticle-
dc.subject.keywordAuthoroscillating behaviour-
dc.subject.keywordAuthorhazardous gas-
dc.subject.keywordAuthorFFT-
dc.subject.keywordAuthorwavelet transform-
dc.subject.keywordPlusSENSING PROPERTIES-
dc.subject.keywordPlusTEMPERATURE MODULATION-
dc.subject.keywordPlusPESTICIDE-RESIDUE-
dc.subject.keywordPlusCO DETECTION-
dc.subject.keywordPlusTHIN-FILMS-
dc.subject.keywordPlusSEMICONDUCTOR-
dc.subject.keywordPlusPEROVSKITE-
dc.subject.keywordPlusH-2-
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