red noise

noun

A signal or process with a frequency spectrum such that the spectral energy density is proportional to the reciprocal of the frequency squared (1/f²).

Meanings

noun
  1. A signal or process with a frequency spectrum such that the spectral energy density is proportional to the reciprocal of the frequency squared (1/f²).

    Synonyms: Brown noise, Brownian noise

Synonyms & antonyms

nounA signal or process with a frequency spectrum such that the spectral energy density is proportional to the reciprocal of the frequency squared (1/f²).

Also see
Cite this entry
APA

red noise. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/red%20noise

MLA

“red noise.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/red%20noise. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “red noise,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/red%20noise.

Source: red noise on Wiktionary, CC BY-SA 4.0.