And because the spectrum of a discrete time signal, this very same spectrum will periodically repeat if we extended the frequency greater outside of $f_s$ these that the spectrum revealed can also be the identical spectrum in each individual frequency band from $nf_s$ to $(n+1)f_s$ for virtually any integer $n$. https://boyspgsector14gurgaon.art.blog/2025/07/28/top-student-friendly-pg-in-gurgaon-sector-14-only-at-osmstays/