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・ Spectral asymmetry
・ Spectral atlas
・ Spectral band replication
・ Spectral bands
・ Spectral bat
・ Spectral centroid
・ Spectral clustering
・ Spectral color
・ Spectral component
・ Spectral concentration problem
・ Spectral correlation density
・ Spectral Database for Organic Compounds
・ Spectral density
・ Spectral density estimation
・ Spectral Dusk
Spectral edge frequency
・ Spectral efficiency
・ Spectral element method
・ Spectral energy distribution
・ Spectral envelope
・ Spectral estimation of multidimensional signals
・ Spectral evidence
・ Spectral expansion solution
・ Spectral flatness
・ Spectral flux
・ Spectral flux density
・ Spectral gap
・ Spectral Gene
・ Spectral Genomics
・ Spectral geometry


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Spectral edge frequency : ウィキペディア英語版
Spectral edge frequency
The spectral edge frequency or SEF is a measure used in signal processing. It is usually expressed as "SEF ''x''", which stands for the frequency below which ''x'' percent of the total power of a given signal are located. (typically ''x'' is in the range 75 to 95.)
It is more particularly a popular measure used in EEG monitoring, in which case SEF has variously been used to estimate the depth of anesthesia.
==See also==

*Bispectral index

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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