And As the spectrum of the discrete time signal, this similar spectrum will periodically repeat if we extended the frequency bigger outside of $f_s$ such which the spectrum revealed is usually the exact same spectrum in each and every frequency band from $nf_s$ to $(n+one)f_s$ for almost any integer $n$. https://girlspgingurgaon.tech.blog/2025/07/29/trusted-girls-pg-in-gurgaon-sector-15-with-study-first-environment/