And Because the spectrum of a discrete time signal, this identical spectrum will periodically repeat if we prolonged the frequency better outside of $f_s$ these kinds of that the spectrum demonstrated is additionally the identical spectrum in each frequency band from $nf_s$ to $(n+1)f_s$ for virtually any integer $n$. From https://pgingurgaonforfemale.health.blog/2025/07/28/find-your-ideal-pg-in-sector-14-gurgaon-with-osmstays/