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1/f noise

From Simple English Wikipedia, the free encyclopedia
Spectrum of a pink noise approximation on a log-log plot. Power density falls off at 10 dB/decade of frequency.
Spectrum of a pink noise approximation on a log-log plot. Power density falls off at 10 dB/decade of frequency.

1/f noise or pink noise is a mathematical equation that relates the power of the signal to the signal's frequency. A signal's power measurement will be 1/frequency, which is a power law relationship.


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