railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Introduction To Signals and Systems Classification of Signals
The function v(t) is periodic with period T if:
1
v(t) = v(t + T / 2) for all t
2
v(t) = v(t – T / 2) for all t
3
v(t) = v(t + T) for all t
4
v(t) = v(t – T / 4) for all t