And because the spectrum of the discrete time sign, this identical spectrum will periodically repeat if we extended the frequency greater over and above $f_s$ these types of that the spectrum shown can also be the identical spectrum in each frequency band from $nf_s$ to $(n+1)f_s$ for almost any integer https://www.reddit.com/user/Alternative-End-2470/comments/1mbyceb/budgetfriendly_boys_pg_in_sector_14_gurgaon_for/