And as the spectrum of a discrete time signal, this same spectrum will periodically repeat if we extended the frequency higher beyond $f_s$ these types of which the spectrum proven is usually a similar spectrum in each and every frequency band from $nf_s$ to $(n+one)f_s$ for almost any integer $n$. https://girlspggurugram.blogspot.com/2025/07/affordable-boys-pg-in-gurgaon-sector-15.html