And as the spectrum of the discrete time sign, this similar spectrum will periodically repeat if we prolonged the frequency increased past $f_s$ such the spectrum revealed is additionally the identical spectrum in every frequency band from $nf_s$ to $(n+1)f_s$ for almost any integer $n$. , 4 Jan. 2025 The https://sites.google.com/view/pg-in-sector-15-gurugram/pg-in-gurgaon-for-students