Journal of KSNVE (소음진동)

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

Review of the Improved Moving Frame Acoustic Holography and Its Application to the Visualization of Moving Noise Sources

개선된 이동 프레임 음향 홀로그래피 방법과 이동 음원의 방사 소음의 가시화에 대한 응용

  • 박순홍 (한국과학기술원 대학원 기계공학과) ;
  • 김양한 (한국과학기술원 기계공학과)
  • Published : 2000.08.01
Download PDF
⟨ Previous Next ⟩

Abstract

This paper reviews the improved moving frame acoustic holography (MFAH) method and its application. Moving frame acoustic holography was originally proposed to increase the aperture size and the spatial resolution of hologram by using a moving line array of microphones. The hologram of scanned plane can be obtained by assuming the sound field to be product of spatial and temporal information. Although conventional MFAH was only applied to sinusoidal signals, it allows us to visualize the noise generated by moving noise sources by employing a vertical line array of microphones affixed to the ground. However, the sound field generated by moving sources becomes different from that of stationary ones due to the movement of the sources. Firstly, this paper introduces the effect of moving noise sources on the obtained hologram by MFAH and the applicability of MFAH to the visualization of moving sources. Secondly, this paper also reviews improved MFAH that can visualize a coherent narrow band noise and a pass-by noise. The practical applicability of the improved MFAH was demonstrated by visualizing tire noise during a pass-by test.

Keywords

References

  1. J. Acoust. Soc. Am v.78 Near Field Acoustic Holography : I. Theory of Generalized Holography and The Development of NAH maynard,J.D.;Williams,E.G.;Lee,Y.
  2. J. Acoust. Soc. Am v.72 Numerical Evalution of the Rayleigh Integral for Planar Radiators Using the FFT Williams,E,G;Maynard,J.D.
  3. J. Acoust. Soc. Am v.81 Near Field Acoustic Holography(NAH) : 2. Holographic Reconstruction Algorithms and Computer Implementation Veronesi,W.A.;Maynard,J.D.
  4. 한국소음진동공학회지 v.5 no.1 원통면 음향 홀로그래피를 이용한 음장 예측의 오차해석 및 적용 방법 김시문;권휴상;김양한
  5. J. Acoust. Soc. Am. v.98 Minimization of Bias Error Due to Windows in Planar Acoustic Holography Using a Minimum Error Window Kwon,H.S.;Kim,Y.H.
  6. J. Acoust. Soc. Am. v.106 Errors Due to Sensor and Position Mismatch in Planar Acoustic Holography Nam,K.U.;Kim,Y.H.
  7. J. Acoust. Soc. Am. v.68 Sound source Reconstruction Using a Microphone Array Williams,E.G.;Maynard,J.D.;Skudrzyk,E.J.
  8. STSF-a Unique Thchnique for Scan-Based Near-field Acoustic Holography without restrictions on coherence Hold,J.
  9. Proceedings of Inter Noise 92 MultiReference Nearfield Acoustical holography Hallman,D.;J.S.Bolton
  10. Submitted to J. Acoust. Soc. Am. Visualization of Multiple Incoherent Sources by the Nackward Prediction of Near-Field Acoustic Holography Nam,K.U.;Kim,Y.H.
  11. J. Acoust. Soc. Am. v.84 Broadband Acoustic Holography Reconstruction from Acoustic Intensity measurements I : Principle of the Method Loyau,T.;Pascal,J.C.;P.Gaillard
  12. J. Acoust. Soc. Am. v.103 Moving Frame Technique for Planar Acoustic Holograph Kwon,H.S.;Kim,Y.H.
  13. Proceedings of Fourth International Congress on Sound and Vibration Tyre Noise Measurement on a Moving Vehicle Rasmussen,P.;Gade,S.;Ginn,B.
  14. J. Sound Vib. v.66 On the Sources of Wayside Noise Generated by High-Speed Trains King,W.F.Ⅲ;Bechert,D.
  15. J. Sound Vib. v.118 Wheel/rail Noise Generated by a High-Speed Train Investigated with a Line Array of Microphones Barsikow,B.;King,W.F.Ⅲ;Pfizenmaier,E.
  16. J. Sound Vib. v.120 On Removing the Doppler Frequency Shift from Array Measurements of Railway Noise Barsikow,B.;King,W.F.Ⅲ.
  17. Proceedings of Inter Noise 92 Development of a 2-Dimensional Microphone Array Measurement System for Noise Sources of fast Moving vehicles Takano,Y.;Terada,K.;Aizawa,E.;Iida,A.;Fujita,H.
  18. Proceedings of Inter Noise 93 Noise Source Localization on Highspeed Trains Using Different Array Types Buhl,S.;P.K.Schmitz
  19. Proceeding of Inter Noise 96 Experimental comparisons of Sound Visualization Methods for Moving Noise Sources Kim,S.M.;Kwon,H.S.;Park,S.H.;Kim,Y.H.
  20. Applied Acoustics v.53 High Speed Sound sources Localization Using Bilinear Time-Frequency Transformation Poisson,F.;Valiere,J.C.;Herzog,P.
  21. Aeroacoustics Goldstein,M.E.
  22. Sound and Sources of Sound Dowling,A.P.;Ffowcs Williams,J.E.
  23. J. Acoust. Soc. Am. v.86 A Method for Comprting Acoustic Fields Based on the Principle of Wave Superposition Koopmann,G.H.;Song,L.;Fahnline,J.B.
  24. J. Acoust. Soc. Am. v.92 The Wave Superposition Method as a Robust Technique for Computing Acoustic Fields Jeans,R.;Mathews,I.C.
  25. J. Acoust. Soc. Am. v.104 An Equivalent Source Technique for Calculating the Sound Field Inside and Enclosure Containing Scattering Objects Johnson,M.E.;Elliott,S.J.;Baek,K.H.;Garcia-Bonito,J.
  26. J. Acoust. Soc. Am Effects of the Speed fo Moving Noise Sources on the Sound Visualization by Means of Moving Frame Acoustic Holography(MFAH) Park,S.H.;Kim,Y.H.
  27. J. Acoust. Soc. Am. v.104 An Improved Moving Frame Acoustic Holography for Coherent Band-Limited noise Park,S.H.;Kim,Y.H.
  28. Submitted to J. Acoust. Soc. Am. Visualization of Pass-by Noise by Means of Moving Frame Acoustic Holography Park,S.H.;Kim,Y.L.