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→Scale invariance in stochastic processes
周期性外部和内部射线是不变的曲线。
周期性外部和内部射线是不变的曲线。
==Scale invariance in stochastic processes==
==Scale invariance in stochastic processes 随机过程中的标度不变性==
If {{math|''P''(''f'' )}} is the [[expectation value|average, expected]] power at frequency {{mvar|f }}, then noise scales as
If {{math|''P''(''f'' )}} is the [[expectation value|average, expected]] power at frequency {{mvar|f }}, then noise scales as
:<math>P(f) = \lambda^{-\Delta} P(\lambda f)</math>
:<math>P(f) = \lambda^{-\Delta} P(\lambda f)</math>