And Because the spectrum of a discrete time sign, this similar spectrum will periodically repeat if we extended the frequency bigger beyond $f_s$ these kinds of that the spectrum proven is likewise exactly the same spectrum in each individual frequency band from $nf_s$ to $(n+one)f_s$ for almost any integer $n$. https://boyspgsector14gurugram.blogspot.com/2025/07/book-affordable-1-rk-for-rent-in.html