Extraction/filtration of transients embedded in stationary signals using wavelets; Focus on extraction of frequency response functions

Authors

Myles Dexter, Michigan Technological University
Harold A. Evensen, Michigan Technological UniversityFollow
Charles Van Karsen, Michigan Technological UniversityFollow
Jason Blough, Michigan Technological UniversityFollow

Document Type

Conference Proceeding

Publication Date

5-17-1999

Department

Department of Mechanical Engineering-Engineering Mechanics

Abstract

Recent trends in signal processing have led to the discovery and implementation of wavelets as tools of many different applications. This paper focuses on their use as a tool for transient extraction. From the Discrete Wavelet Transform (DWT), specific coefficients are picked using a coherence-based criterion. These coefficients are then taken back to the time domain as the extracted transient. If the extracted transient is a response from a measured input, then a frequency response function can be formulated.

Publisher's Statement

Copyright © 1999 Society of Automotive Engineers, Inc. Publisher’s version of record: https://doi.org/10.4271/1999-01-1824

Publication Title

SAE Technical Papers

Recommended Citation

Dexter, M., Evensen, H., Van Karsen, C., & Blough, J. (1999). Extraction/filtration of transients embedded in stationary signals using wavelets; Focus on extraction of frequency response functions. SAE Technical Papers. http://doi.org/10.4271/1999-01-1824
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/14257