And as the spectrum of a discrete time signal, this exact spectrum will periodically repeat if we prolonged the frequency better outside of $f_s$ these kinds of which the spectrum proven can also be exactly the same spectrum in each individual frequency band from $nf_s$ to $(n+1)f_s$ for almost any https://1rkflatforrentgurgaonsector15.blogspot.com/2025/07/modern-boys-pg-in-gurgaon-sector-15.html