Wavelets pp 103-124 | Cite as

Wavelet Integrated with Fourier Transform: A Unified Technique

  • Robert X. Gao
  • Ruqiang Yan


Fourier transform-based spectral analysis has been widely applied to processing signals, such as vibration and acoustic signals (Mori et al. 1996; Tandon and Choudhury 1999; Cavacece and Introini 2002), acquired from manufacturing systems. Because of noise contamination and signal interference, the constituent components of interest may be submerged in the signal and difficult to be revealed through a spectral analysis (Ho and Randall 2000).


Wavelet Coefficient Decomposition Level Rolling Element Defect Feature Radial Load 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringUniversity of ConnecticutStorrsUSA
  2. 2.School of Instrument Science and EngineeringSoutheast UniversityNanjingChina, People’s Republic

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