Translations:Dictionary:Semblance/3/en

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where channels are summed; the coefficient is evaluated for a window of width centered at . It is basically the energy of the stack normalized by the mean energy of the components of the stack. This is equivalent to the zero-lag value of the unnormalized autocorrelation of the sum trace divided by the mean of the zero-lag values of the autocorrelations of the component traces. Perfect agreement yields a value of unity.