And because the spectrum of a discrete time signal, this same spectrum will periodically repeat if we extended the frequency bigger over and above $f_s$ these types of which the spectrum shown can be the same spectrum in each frequency band from $nf_s$ to $(n+one)f_s$ for any integer $n$. Wise https://girlspggurgaonsector15.fitness.blog/2025/07/29/trusted-girls-pg-in-gurgaon-sector-15-with-study-first-environment/