Wavelet Transform for Time-Frequency Analysis of the Vibrational Signature and its Application

Abstract

Wavelet transform is applied to the analysis of vibration signatures in order to verify the ability of the detection of abnormal condition. It can well describe the dynamics of the signal's spectral composition of a non- stationary and stationary signal to be measured and presented in the form of 3-D time-frequency map. Although wavelet has been developed over about ten years in the mathematics and physics, its engineering applications is a first stage. The objective of this report outlines the definition of the wavelet transform and is to discuss the properties of the wavelet transform as new tool for the vibration analysis, and then demonstrates how it may be applied to the machinery condition monitoring.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Aug 17, 1993
Accession Number
ADA269928

Entities

People

  • Jae-jin Jeon
  • Young-sik Shin

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Computations
  • Computer Programs
  • Engineering
  • Frequency
  • Frequency Bands
  • Frequency Domain
  • Integrals
  • Mathematics
  • Mechanical Engineering
  • Monitoring
  • Pattern Recognition
  • Signal Processing
  • Stationary
  • Three Dimensional
  • Two Dimensional
  • Wavelet Transforms
  • Waves

Fields of Study

  • Engineering

Readers

  • Computer Vision.
  • Speech Processing/Speech Recognition.
  • Structural Dynamics.