... (structures) Doppler measurement impact (mechanical) least squares approximations measurement by laser beam motion measurement vibration measurement vibrations mass normalized mode shape continuous-scan laser Doppler vibrometry impact excitation real mode and state space mode...

... 05 2010 20 08 2010 20 08 2010 finite element analysis flaw detection least squares approximations structural acoustics vibrations damage identification frame structures model updating nonlinear least-squares problem trust-region method Finite element model...

... 16 09 2009 beams (structures) least squares approximations shear deformation vibrations viscoelasticity Vibration of beam structures acted upon by moving loads (or masses) has been investigated theoretically and experimentally due to its importance and complexity over the past...

.../j.ymssp.2007.05.007 (to be published). eigenvalues and eigenfunctions least squares approximations matrix decomposition modal analysis parameter estimation time-domain analysis vibrations A fundamental problem in experimental modal analysis is to extract modal parameters of dynamical...

... methods least squares approximations stochastic systems dynamic systems stochastic response random vibration mean-square response Dynamic systems are often excited by inputs that can be approximated as “white” in frequency content ( 1 ). In other cases, white noise inputs processed...

... frequency-domain synthesis least squares approximations 2006 American Society of Mechanical Engineers ...

... linearisation techniques least squares approximations 03 07 2003 28 01 2005 2005 American Society of Mechanical Engineers ...

... result in excessive vibration which will in turn produce adverse effects on noise, reliability and performance of machines. tracking adaptive systems recursive estimation least squares approximations vibrations rotation machine testing fast Fourier transforms band-pass filters 01...

... 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...

... Technical Editor: J. Mottershead. 01 May 1996 01 May 1997 rotation measurement systems vibration measurement laser Doppler anemometry least squares approximations finite element analysis Gaussian noise Current model updating routines 1 2 3 and FRF coupling techniques...