Time-frequency techniques for modal parameters identification of civil structures from acquired dynamic signals
作者： Hojjat Adeli , Carlos Andres Perez-Ramirez , Juan Pablo Amezquita-Sanchez , Martin Valtierra-Rodriguez , Rene de Jesus Romero-Troncoso
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摘要: A major trust of modal parameters identification (MPI) research in recent years has been based on using artificial and natural vibrations sources because vibration measurements can reflect the true dynamic behavior a structure while analytical prediction methods, such as finite element models, are less accurate due to numerous structural idealizations uncertainties involved simulations. This paper presents state-of-the-art review time-frequency techniques for civil structures from acquired signals well factors that affect estimation accuracy. Further, latest signal processing proposed since 2012 also reviewed. These algorithms worth being researched MPI large real-life they provide good resolution noise-immunity.
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