And As the spectrum of the discrete time signal, this exact same spectrum will periodically repeat if we prolonged the frequency higher outside of $f_s$ this sort of which the spectrum demonstrated can be exactly the same spectrum in each individual frequency band from $nf_s$ to $(n+one)f_s$ for any integer https://pginsector14gurugram.blogspot.com/2025/07/book-affordable-1-rk-for-rent-in.html