What is the necessary and sufficient condition for a sum of a periodic continuous time signal to be periodic?
Posted: Thu Jul 14, 2022 11:06 am
a) Ratio of period of the first signal to period of other signals should be constant
b) Ratio of period of the first signal to period of other signals should be finite
c) Ratio of period of the first signal to period of other signals should be real
d) Ratio of period of first signal to period of other signal should be rational
b) Ratio of period of the first signal to period of other signals should be finite
c) Ratio of period of the first signal to period of other signals should be real
d) Ratio of period of first signal to period of other signal should be rational