1. The impulse response h(t) of a linear time-invariant continuous time system is described by h(t) = exp (a t) u(t) + exp (βt) u (- t), where u(t) denotes the unit step function, and a and β are constants. This system is stable if
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By: guest on 02 Jun 2017 12.54 am
h(t) = e+a tu(t) + eβtu(- t) For h(t) to be stableh(t) dt < ∞ It will happen when a is negative and β is positive.