Sentence examples for modal identification from from inspiring English sources

This paper deals with the use of the continuous wavelet transform for modal identification from ambient vibration tests.

A complete procedure for modal identification from free responses based on the continuous wavelet transform is presented.

Development of such procedures is not a trivial task since traditional modal identification requires extensive interaction from an expert user.

Different from conventional modal identification approaches working in the frequency domain, it opens up a new path to find the system poles by utilizing mode shape information.

Modal identification based on vibration response measured from real structures is becoming more popular, especially after benefiting from the great improvement of the measurement technology.

The estimation of the cutoff frequencies is done from plane of modal identification and two time-frequency planes, the spectrogram and the reassignment spectrogram.

Additionally, a full-order finite element model of the test structure, as well as the results from the experimental modal identification using the ERA algorithm were employed to validate the results obtained in this change-detection study.

The main advantage of POD is the possibility to directly use covariance matrices estimated from time responses for the modal identification of the structure under investigation.

The free decays obtained from RD have been used for system modal identification using eigen-system realization algorithm (ERA).

In the experimental context, the present modal identification method permits one to obtain the non-linear modal parameters from frequency response tests.

Specific issues related to output-only modal identification and the relative advantages and limitations of BSS methods both from theoretical and application standpoints are discussed.