3.3 First-Order systems o Unit-impulse response of the first-order system may be found by assuming, 1. e, the intensity of the impulse is equal to one, y(s +I(=~1 Ts+1 (3-3-1) y(t=e/r (3-3-2) 2022-2-3 52022-2-3 5 3.3 First –Order Systems ¨ Unit-impulse response of the first-order system may be found by assuming , i.e., the intensity of the impulse is equal to one,     1 1 1 1 Y s R s  s  s       1 t y t e     (3-3-1) (3-3-2)