What is the energy density spectrum of the signal x(n)=anu(n), |a|<1?
Posted: Thu Jul 14, 2022 9:44 am
a) \(\frac{1}{1+2acosω+a^2}\)
b) \(\frac{1}{1-2acosω+a^2}\)
c) \(\frac{1}{1-2acosω-a^2}\)
d) \(\frac{1}{1+2acosω-a^2}\)
b) \(\frac{1}{1-2acosω+a^2}\)
c) \(\frac{1}{1-2acosω-a^2}\)
d) \(\frac{1}{1+2acosω-a^2}\)