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- DictionaryWhite noise/ˌ(h)wīt ˈnoiz/
noun
- 1. noise containing many frequencies with equal intensities.
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noun
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Random signal having equal intensity at different frequencies, giving it a constant power spectral density
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The term is used with this or similar meanings in many scientific and technical disciplines, including physics, acoustical engineering, telecommunications, and statistical forecasting. White noise refers to a statistical model for signals and signal sou... Wikipedia