- #1
Wminus
- 173
- 29
Hey.
Assume you have a signal ##f## with period ##T_f## and a signal ##g## with period ##T_g##. Then the signal ##h= f+g## is periodic iff ##T_f/T_g \in \mathbb{Q}##.
So if ##T_f/T_g## is an irrational number, the signal ##h## will not be periodic. Why is this actually the case?
Assume you have a signal ##f## with period ##T_f## and a signal ##g## with period ##T_g##. Then the signal ##h= f+g## is periodic iff ##T_f/T_g \in \mathbb{Q}##.
So if ##T_f/T_g## is an irrational number, the signal ##h## will not be periodic. Why is this actually the case?