| 单词 | pink noise |
| 释义 | > as lemmaspink noise pink noise n. [after white noise n.] Physics noise having equal energy per octave, and so differing from white noise in having a greater proportion of low-frequency components; (Mathematics) any phenomenon described by a power distribution of this kind; cf. white noise n. 1, red noise n. at red adj. and n. Compounds 1f(c)(i). ΘΚΠ the world > matter > physics > science of sound > [noun] > random noise white1917 random noise1937 pink noise1961 red noise1961 1961 G. A. Briggs A to Z in Audio 151 Pink noise is derived from white noise by applying a rising bass characteristic through the range. 1976 Gramophone Apr. 1690/1 Measurements were made of the response of my lounge, using pink noise derived from a Rogers noise generator. 1980 Technometrics 22 394/1 (caption) Correlation function of western United States drought data from 271 yearly observations, and correlation function from fitted first order autoregression with observational error (pink noise). 2003 Physica A 323 705 (title) Is the North Atlantic Oscillation just a pink noise? < as lemmas |
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