2009
DOI: 10.1016/j.ymssp.2008.05.006
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Wavelet power, entropy and bispectrum applied to AE signals for damage identification and evaluation of corroded galvanized steel

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Cited by 48 publications
(28 citation statements)
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“…Until now, Wavelet Transform analysis is being used extensively in the field of engineering such as data compression, signal processing, image processing, as well as in the medical field (Sifuzzaman et al 2009). Piotrkowski et al (2009) used the Wavelet Transform application in acoustic emissions to detect damage and corrosion, while Chang and Chen (2005) used the Wavelet Transform to detect the position and depth of cracks in beams. Discrete Wavelet transform can be defined as in Equation (1):…”
Section: Theoretical Backgroundmentioning
confidence: 99%
“…Until now, Wavelet Transform analysis is being used extensively in the field of engineering such as data compression, signal processing, image processing, as well as in the medical field (Sifuzzaman et al 2009). Piotrkowski et al (2009) used the Wavelet Transform application in acoustic emissions to detect damage and corrosion, while Chang and Chen (2005) used the Wavelet Transform to detect the position and depth of cracks in beams. Discrete Wavelet transform can be defined as in Equation (1):…”
Section: Theoretical Backgroundmentioning
confidence: 99%
“…ВП сигналів АЕ застосовували для досліджен-ня різних матеріалів (сталей, сплавів тощо) у за-дачах виявлення та класифікації неоднорідностей [13], дефектів [14,15] та особливостей мікроруй-нування [16,17]. Ефективним виявився метод ВП для ідентифікування механізмів руйнування ком-позитних матеріалів різної структури та з різнома-нітними матрицями [18,19].…”
Section: …10unclassified
“…A more sophisticated approach focusing on energy (wavelet transform) rather than amplitude of the AE signal was adopted in Piotrkovsky's research related to scratch test behavior of commercial galvanized coatings [86,87], grit scratch tests on aerospace alloys by Griffin [88][89][90], as well as a different type of tests on reinforced concrete by Sagasta, Zitto, and Piotrkovsky [91,92]. Research on deformation processes during scratch tests of molybdenum and tungsten by Zhou [93] also uses analysis of more complex outputs of the AE record.…”
Section: Acoustic Emission Introductionmentioning
confidence: 99%