And Because the spectrum of the discrete time sign, this similar spectrum will periodically repeat if we extended the frequency bigger over and above $f_s$ this kind of the spectrum shown is additionally the identical spectrum in each individual frequency band from $nf_s$ to $(n+1)f_s$ for almost any integer $n$. https://girlspgingurgaon.tech.blog/2025/07/28/find-your-ideal-pg-in-sector-14-gurgaon-with-osmstays/