white noise
Definition from Wiktionary, the free dictionary
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English [edit]
Noun [edit]
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- (physics) A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth.
- 2005, John G. Holden, Gauging the Fractal Dimension of Response Times from Cognitive Tasks
- Conventional statistical analyses presuppose that intrinsic variability is white noise. White noise yields a jagged and irregular line with a fractal dimension of 1.5, because successive observations are statistically independent of each other.
- 2005, John G. Holden, Gauging the Fractal Dimension of Response Times from Cognitive Tasks
- (nontechnically) Any nondescript noise used for background or to mask or drown out other noise.
Translations [edit]
random signal with flat power spectral density
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