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The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms
Abstract
The use of the fast Fourier transform in power spectrum analysis is described. Principal advantages of this method are a 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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Cited by
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Metadata
- Authors
- Welch, P.
- Venue
- IEEE Transactions on Audio and Electroacoustics
- Published
- 1967-06
- Volume
- 15
- Issue
- 2
- Pages
- 70-73
- ISSN
- 0018-9278 (ISSN-L)
- OpenAlex
- W2106822551
- Cited by
- 12,277
- References
- 0
- FWCI
- 8.20
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms. https://app.cochat.ai/papers/10.1109/tau.1967.1161901
- The paper
- Welch, P. (1967). The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms. IEEE Transactions on Audio and Electroacoustics. https://doi.org/10.1109/tau.1967.1161901
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
