instantaneous failure intensitymomentane Ausfalldichte

limit, if it exists, of the quotient of the mean number of failures of a repairable item within time interval (t, t + Δt), by Δt, when Δt tends to zero z(t)=limΔt→0+E[N(t+Δt)−N(t)]Δt z(t)=limΔt→0+E[N(t+Δt)−N(t)]Δt where N(t) is the number of failures in the time interval (0, t), where E denotes the expectation.

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