And because the spectrum of a discrete time sign, this identical spectrum will periodically repeat if we extended the frequency greater past $f_s$ this kind of that the spectrum demonstrated is additionally precisely the same spectrum in each and every frequency band from $nf_s$ to $(n+1)f_s$ for any integer $n$. https://boyspgsector14gurugram.blogspot.com/2025/07/book-affordable-1-rk-for-rent-in.html