... methods. It has excellent pattern representation property and can be applied for signal classification and assessment. Experiments in an automobile transmission gearbox validate the effectiveness of the new method. 06 12 2010 07 07 2011 19 01 2012 19 01 2012 acoustic signal...

... 28 12 2011 acoustic signal processing autoregressive processes cracks deformation gears vibrations A gearbox is one of the most important mechanisms used for motion and power transmission in industrial machinery. Gear condition monitoring is an important aspect of engineering...

... are gratefully acknowledged. As well, the efforts of MacDonald Dettwiler & Associates in implementing the DRDC algorithms within SSMS are acknowledged. 04 12 2006 04 02 2011 04 10 2011 04 10 2011 acoustic noise acoustic signal processing propellers ships structural acoustics...

... than the rms value, a traditional vibratory indicator. 06 05 2010 26 03 2011 31 08 2011 20 09 2011 acoustic signal processing rolling bearings vibrations Rolling bearing degradation can be very detrimental in some situations. Its progressive character raises...

... Process. 0888-3270 , 18 , pp. 1315 – 1333 . 10.1016/j.ymssp.2004.01.008 acoustic signal processing assembling diesel engines dynamic testing fault diagnosis vibrations The purpose of condition monitoring is to use information extracted from the vibroacoustic signature...

... , “ Wavelet Entropy: A New Tool for Analysis of Short Duration Brain Electrical Signals ,” J. Neurosci. Methods 0165-0270 10.1016/S0165-0270(00)00356-3 , 105 , pp. 65 – 75 . 07 10 2007 19 05 2008 22 10 2008 abrasion acoustic emission acoustic signal processing elastic...

... the the waveforms of interest for further analysis. Moderate speed test rig schematic 18 04 2006 23 03 2007 condition monitoring machine testing fault diagnosis acoustic measurement time-frequency analysis acoustic signal processing signal analysis time-frequency...

.... Gay , S. L. , and Benesty , J. , 2000 , Acoustic Signal Processing for Telecommunication , Kluwer Academic , Boston, MA . Kuttruff , H. , 1991 , Room Acoustics , Elsevier , New York, NY . Sabine , W. C. , 1972 , “ Reverberation ,” Acoustics: Historical...

... source decomposition principal component analysis acoustic holography acoustic signal processing acoustic field acoustic intensity source separation 20 03 2004 23 02 2005 The coherence function of two strongly coherent references The decomposed partial sound...

... array. loudspeakers genetic algorithms acoustic radiators array signal processing acoustic signal processing This paper focuses on the development of a panel speaker array with omnidirectional radiation pattern. This array serves as a projection screen of an audio and video system...

... . Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received May 2002; Revised March 2003. Associate Editor: M. I. Friswell. 01 May 2002 01 March 2003 26 02 2004 wavelet transforms acoustic signal...

.... 01 Sept 2000 01 Sept 2002 01 04 2003 time-frequency analysis wavelet transforms nonlinear dynamical systems acoustic signal processing structural acoustics The dynamic behavior of a nonlinear system generally varies with the instantaneous response. In our previous paper...

... time-frequency analysis wavelet transforms nonlinear dynamical systems acoustic signal processing structural acoustics The identification of nonlinear systems has received considerable attention in recent years because most real structures exhibit some degree of nonlinearity. Various...

... signal processing controllers recursive filters Active control for noise in ducts has provoked much interest in the area of active noise control (ANC) over the past decades 1 2 3 4 . In ANC applications to date, feedforward control has been widely used whenever a nonacoustical reference can...

... . Manuscript received May 2000; revised March 2002. Associate Editor: J. H. Ginsberg. 01 May 2000 01 March 2002 20 09 2002 underwater sound cavitation nonlinear acoustics vibrations acoustic signal processing random processes acoustic pulses The cavitation process...

... state feedback acoustic resonance optimisation iterative methods least squares approximations Fourier transforms acoustic signal processing During the previous decade there has been a substantial and consistent focus on the problem of active noise cancellation (ANC) in acoustic enclosures...

... hulls, direct actuation requires large amounts of energy and may cause structural fatigue, which is particularly problematic in the aerospace industry 4 . Under such circumstances, the acoustic source control approach is especially suitable. vibrations active noise control acoustic signal...

... in the associated vibration signals. With the analysis of vibration signals, the condition of a machine can be monitored and failures or damages can be detected in their early stages, and thus catastrophic accidents can be avoided. cepstral analysis condition monitoring acoustic signal processing...

... AND ACOUSTICS . Manuscript received July 1999; revised Oct. 2000. Associate Editor: R. L. Clark. 01 July 1999 01 Oct 2000 feedforward acoustic wave absorption active noise control acoustic signal processing FIR filters IIR filters Active noise control (ANC) techniques have...