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Ingeniería, investigación y tecnología
versão On-line ISSN 2594-0732versão impressa ISSN 1405-7743
Resumo
SAAVEDRA-GASTELUM, V.; FERNANDEZ-HARMONY, T.; HARMONY-BAILLET, T. e CASTANO-MENESES, V.M.. Ondeletas en ingeniería: Principios y aplicaciones. Ing. invest. y tecnol. [online]. 2006, vol.7, n.3, pp.185-190. ISSN 2594-0732.
Wavelets are mathematical functions that cut up data into different frequency components, and then study each component with a resolution matched to its scale. They have advantages over traditional Fourier methods in analyzing physical situations where the signal contains discontinuities and sharp spikes. Wavelets were developed independently in the fields of mathematics, quantum physics, electrical engineering, etc. This article pretends to give the researcher an overview about basic wavelets concepts, as well as, the fundamental theory and application of wavelets
Palavras-chave : Wavelets; frequency-time; FFT; phase space; nonstationary; main wavelets.