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单词 white noise
释义
white noise

Physics
  • Random noise in which the energy per unit bandwidth is constant for the whole frequency range of interest.


Statistics
  • See noise.


Computer
  • Noise occurring in a channel and regarded as continuous in time and continuous in amplitude, the noise being uniform in energy over equal intervals of frequency. (Note that, by contrast, white light is uniform in energy over equal intervals of wavelength.) Compare impulse noise.


Electronics and Electrical Engineering
  • Noise that is uniform in energy over equal intervals of frequency.


Economics
  • A stochastic process with zero mean, constant variance, and zero autocorrelation.


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