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Understanding Power Spectrum Density Transmissibility
Joint Authors
Source
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-01-06
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Power spectrum density transmissibility (PSDT) is a type of complex frequency domain function proposed recently.
It describes the relation between cross-spectra of system outputs.
Since PSDTs with same local-reference degree of freedom (DOF) combination but with different transferring output DOFs cross each other at the system’s poles under certain load condition, the functions have been used as the primary data in operational modal analysis (OMA) to extract modal parameters, and such technique is named as PSDT-based OMA (PSDTOMA).
Because PSDT is a concept that appears recently, researches on which, especially, in-depth discussions aim at the essence and properties of PSDT are very rare.
For appropriate application of PSDTOMA, it is necessary to perform further study on such problem obviously.
In this paper, two paths to get PSDT, which, respectively, are referred to as PSDT estimator and PSDT syntheticism, are given firstly; some properties about PSDT are explored based on the PSDT syntheticism, and the relation between PSDT and single reference transmissibility function (STF) is analyzed.
Finally, the above conclusions are verified with numerical values and experimental data.
American Psychological Association (APA)
Zhang, Yu& Zhu, Tong& Zhou, Jing. 2016. Understanding Power Spectrum Density Transmissibility. Shock and Vibration،Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1119830
Modern Language Association (MLA)
Zhang, Yu…[et al.]. Understanding Power Spectrum Density Transmissibility. Shock and Vibration No. 2016 (2016), pp.1-9.
https://search.emarefa.net/detail/BIM-1119830
American Medical Association (AMA)
Zhang, Yu& Zhu, Tong& Zhou, Jing. Understanding Power Spectrum Density Transmissibility. Shock and Vibration. 2016. Vol. 2016, no. 2016, pp.1-9.
https://search.emarefa.net/detail/BIM-1119830
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1119830