Journal of KSNVE (소음진동)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
권호 표지

Directional Harmonic Wavelet Analysis

방향성 조화 웨이블렛 해석 기법

  • 한윤식 (삼성종합기술원 정밀기계랩) ;
  • 이종원 (한국과학기술원 기계공학과)
  • Published : 1998.10.01
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Abstract

A new signal processing technique, the directional harmonic wavelet map(dHWM), is presented to characterize the instantaneous planar motion of a measurement point in a structure from its transient complex-valued vibration signal. It is proven that the directional auto-HWM essentially tracks the shape and directively of the instantaneous planar motion, whereas the phase of the directional cross-HWM indicates its inclination angle. Finally, the technique is suessfully applied to an automobile engine for characterization of its transient motion during crank-on/idling/engine-off.

Keywords

References

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