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- W2387631668 abstract "In time domain identification of structural parameters the source signals picked up by acceleration sensors are often noise contaminated,from which the derived velocity or displacement signals may be further distorted through integration.Such a kind of seriously distorted input signals can worsen and even cause the failure of parameter identification.Hence,the first thing for improving parameter identification is to improve the quality of source signals.A filtering technique based on wavelet packet analysis is introduced.In connection with that wavelet packet analysis is featured with high precision and multi-level resolution,a widely applicable filter can be readily designed with specific resolution for different selections of filtering frequency band,so that the filtered source signal can meet the desired requirements.Numerical results of an illustrative example on parameter identification of a shear column model structure show the feasibility and effectiveness of this filtering technique." @default.
- W2387631668 created "2016-06-24" @default.
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- W2387631668 date "2007-01-01" @default.
- W2387631668 modified "2023-09-25" @default.
- W2387631668 title "WAVELET PACKET ANALYSIS BASED FILTERING TECHNIQUE FOR IMPROVING TIME DOMAIN IDENTIFICATION OF PHYSICAL PARAMETERS" @default.
- W2387631668 hasPublicationYear "2007" @default.
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