DocumentCode
1078475
Title
The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms
Author
Welch, Peter D.
Author_Institution
IBM Watson Research Center, Yorktown Heights, N.Y.
Volume
15
Issue
2
fYear
1967
fDate
6/1/1967 12:00:00 AM
Firstpage
70
Lastpage
73
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.
Keywords
Aging; Demodulation; Fast Fourier transforms; Fourier transforms; Reactive power; Shape; Stochastic processes; Testing; Time measurement;
fLanguage
English
Journal_Title
Audio and Electroacoustics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9278
Type
jour
DOI
10.1109/TAU.1967.1161901
Filename
1161901
Link To Document