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- W648442016 abstract "Burst random excitation is one of the most popular excitation techniques for frequency response function measurement. But in the case of very lightly damped structures, the leakage error can be a serious problem. In this paper, we propose a new excitation technique in which the system response after the random signal is turned off is actively controlled by velocity feedback such that the response quickly decays to zero within the time window. Comparing the results using this new method with the usual burst random excitation, the coherence functions are shown to be greatly improved by this new method, not only at resonant frequencies but also at antiresonant frequencies." @default.
- W648442016 created "2016-06-24" @default.
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- W648442016 date "1992-01-01" @default.
- W648442016 modified "2023-09-23" @default.
- W648442016 title "Excitation Techniques for Modal Testing. 2nd Report, Proposition of Velocity Feedback Burst Random Excitation." @default.
- W648442016 doi "https://doi.org/10.1299/kikaic.58.2615" @default.
- W648442016 hasPublicationYear "1992" @default.
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