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## Main Question or Discussion Point

Why oscillations occur in transient response of a system ?

Suppose transfer function of a system is 1/(s+1). Then its impulse response will be c(t)=e[itex]^{}-t[/itex] . So why just we don't show only an exponential curve to graphically represent the impulse response, why we also show the oscillations ?

Suppose transfer function of a system is 1/(s+1). Then its impulse response will be c(t)=e[itex]^{}-t[/itex] . So why just we don't show only an exponential curve to graphically represent the impulse response, why we also show the oscillations ?