And because the spectrum of a discrete time sign, this very same spectrum will periodically repeat if we prolonged the frequency greater beyond $f_s$ these types of which the spectrum proven is likewise the identical spectrum in each individual frequency band from $nf_s$ to $(n+one)f_s$ for almost any integer $n$. https://pgforboyssector15gurgaon.blogspot.com/2025/07/modern-boys-pg-in-gurgaon-sector-15.html