And Because the spectrum of a discrete time signal, this identical spectrum will periodically repeat if we extended the frequency greater beyond $f_s$ these the spectrum demonstrated can be the same spectrum in each and every frequency band from $nf_s$ to $(n+one)f_s$ for virtually any integer $n$. $begingroup$ In figures https://boyspggurgaoninsector15.blogspot.com/2025/07/well-maintained-boys-pg-in-gurgaon.html