난류 유동신호의 스펙트럼 해석을 위한 AR 방법의 응용Application of Autoregressive Method to the Spectral Analysis of Turbulent Flow Signal

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Autoregressive method for the spectral analysis of turbulent flow signal is discussed in this paper. When small samples are available owing to the record length or he limited memory she of experimental device or inherent characteristics of flow signal the AR method is more useful than the FFT method for spectral analysis, because its resolution is independent of the size of data samples. Especially, low frequency characteristic is much better analyzed by the AR method. To illustrate the advantages of die AR method, some typical signals often encountered in turbulent flows are analyzed using the AR method.
Publisher
한국항공우주학회
Issue Date
1999-10
Language
Korean
Citation

한국항공우주학회지, v.27, no.5, pp.8 - 16

ISSN
1225-1348
URI
http://hdl.handle.net/10203/14575
Appears in Collection
AE-Journal Papers(저널논문)
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