And as the spectrum of a discrete time sign, this similar spectrum will periodically repeat if we extended the frequency higher further than $f_s$ these types of that the spectrum shown can be exactly the same spectrum in each frequency band from $nf_s$ to $(n+1)f_s$ for any integer $n$. There https://pginsector15gurugram.tech.blog/2025/07/28/safe-and-modern-pg-in-gurgaon-for-female-students-join-osmstays/