The Use of Fast Fourier Transform for the Estimation of Power Spectra

时间:2021-09-11 04:25:44
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文件名称:The Use of Fast Fourier Transform for the Estimation of Power Spectra

文件大小:326KB

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更新时间:2021-09-11 04:25:44

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Abstract-The use of the fast Fourier transform in power spectrum analysis is described. Principal advantages of this method area reduction in the number of computations and in required core storage, and convenient application in nonstationarity tests. The method involves sectioning the record and averaging modified periodograms of the sections.


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