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Keywords: Doppler measurement
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Journal Articles

Two Algorithms for Mass Normalizing Mode Shapes From Impact Excited Continuous-Scan Laser Doppler Vibrometry

Shifei Yang, Michael W. Sracic, Matthew S. Allen
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021004.
DOI: https://doi.org/10.1115/1.4005020
Published Online: January 13, 2012
... mode shapes that were obtained experimentally. 04 06 2010 06 07 2011 13 01 2012 13 01 2012 beams (structures) Doppler measurement impact (mechanical) least squares approximations measurement by laser beam motion measurement vibration measurement vibrations...
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Topics: Accelerometers, Algorithms, Hammers, Lasers, Mode shapes, Excitation, Shapes
Journal Articles

Ground-Based Vibration Response of a Spinning, Cyclic, Symmetric Rotor With Gyroscopic and Centrifugal Softening Effects

Hyunchul Kim, I. Y. Shen
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. April 2009, 131(2): 021007.
DOI: https://doi.org/10.1115/1.3025847
Published Online: February 18, 2009
... primary and secondary frequency branches from the waterfall plots agree well with those predicted analytically. 22 10 2007 29 06 2008 18 02 2009 discs (structures) Doppler measurement Fourier analysis gyroscopes machine bearings measurement by laser beam rotors softening...
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Topics: Mode shapes, Rotors, Spin (Aerodynamics), Vibration, Disks, Spinning (Textile)
Journal Articles

Simulating and Measuring Structural Intensity Fields in Plates Induced by Spatially and Temporally Random Excitation

Michael J. Daley, Stephen A. Hambric
Journal: Journal of Vibration and Acoustics
Article Type: Technical Papers
J. Vib. Acoust. October 2005, 127(5): 451–457.
DOI: https://doi.org/10.1115/1.2013299
Published Online: January 6, 2005
... are discussed. plates (structures) bending elastic waves pressure excited states random processes vibrations Doppler measurement modelling damping 11 08 2004 06 01 2005 2005 American Society of Mechanical Engineers ...
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Topics: Dampers, Plates (structures), Pressure, Resonance, Sound pressure, Simulation, Construction, Random excitation, Acoustics, Laser Doppler vibrometers