A weighting function for improvement of spectral coherence based envelope spectrum
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107929
Abstract: Abstract Envelope analysis plays an essential role in fault diagnostics of rotating machinery. One popular method to attain the envelope spectrum is to integrate the spectral coherence over a chosen spectral frequency band. Considering the… read more here.
Keywords: envelope spectrum; spectral coherence; weighting function; coherence ... See more keywords
A method for detecting damage-induced nonlinearity in structures using weighting function augmented curvature approach
Sign Up to like & getrecommendations! Published in 2019 at "Structural Health Monitoring"
DOI: 10.1177/1475921718788801
Abstract: Structural damages can result in nonlinear dynamical signatures that can significantly enhance their detection. In this article, we present a new method for identifying damage-induced nonlinearity using vibration response measurements. Among the various types of… read more here.
Keywords: induced nonlinearity; breathing crack; damage; damage induced ... See more keywords
Self-constrained inversion of potential fields through a 3D depth weighting
Sign Up to like & getrecommendations! Published in 2020 at "Geophysics"
DOI: 10.1190/geo2019-0812.1
Abstract: A new method for inversion of potential fields is developed using a depth-weighting function specifically designed for fields related to complex source distributions. Such a weighting function is determined from an analysis of the field… read more here.
Keywords: inversion; depth weighting; field; inversion potential ... See more keywords