Teaching TN TRB EE Test Series Signals and Systems Fourier Series Condition For Existence of Fourier Series
Choose the function f(t); - ∞ < t < ∞ for which a Fourier series cannot be defined.
1
3 sin (25 t)
2
4 cos (20 t + 3) + 2 sin (710 t)
3
exp (-|t|) sin (25 t)
4
1