... of spectral analysis will be used to improve image sharpening and reduction of the motion effect in the MR pictures of thin layer samples and phantoms scanned by this MRI system. acoustic vibration and noise vibration measurement spectral analysis weak field magnetic resonance imager MRI...

.... local mean decomposition empirical mode decomposition health diagnosis rotating machinery failure (mechanical) machinery numerical analysis spectral analysis structural acoustics vibration measurement vibrations 24 11 2008 08 06 2009 18 03 2010 18 03 2010...

... acoustics vibrations spectral analysis wavelet transforms transient response Continuous Wavelet Transform Time-Frequency Features Overlap Soft-Threshold Tse P. , and Yang W.X. , 2002 , “ The practical use of wavelet transforms and their limitations in machine fault diagnosis...

...Baozhong Yang; C. Steve Suh Spectral analysis has been widely applied to the detection of bifurcation and the determination of the extent to which dynamic instability and chaotic responses develop. However, because spectral analysis employs stationary sinusoids in representing time-varying signals...

.... 1999. Associate Technical Editor: R. Clark. 01 Oct 1998 01 Dec 1999 explosions underwater acoustic propagation acoustic emission spectral analysis acoustic noise detonation waves The theoretical analysis of the frequency acoustic noise spectrum asymptotics is subjected...