| Definition: | time response of a linear time-invariant system, which initially is in steady state U0, V0, produced by application of a step function Δuε(t) = Kε·ε(t) to one of the input variables, where Δvε(t) = v(t) – V0 and Δuε(t) = u(t) – U0 SEE: Figure 5. Note 1 to entry: The step response of a linear time-invariant system is proportional to the time integral of its impulse response. Note 2 to entry: This entry was numbered 351-24-20 in IEC 60050-351:2006.
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