Treatment of Some Nonstationarities in the EEG
作者:
G. Ferber,
期刊:
Neuropsychobiology
(Karger Available online 1987)
卷期:
Volume 17,
issue 1-2
页码: 100-104
ISSN:0302-282X
年代: 1987
DOI:10.1159/000118346
出版商: S. Karger AG
关键词: EEG;Nonstationarity;Periodogram;Compressed spectral array
数据来源: Karger
摘要:
In many situations, EEG recordings cannot be assumed to be second-order stationary. The definition of stationarity is reviewed and the implications of the nonstationarity of the EEG are investigated. Some methods to overcome the problem caused by the nonstationarity are discussed. They include measures of variability, condensed time series and segmentation. The discussion is restricted to FFT spectral estimators and broad-band parameters derived thereof.
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