And because the spectrum of the discrete time signal, this exact spectrum will periodically repeat if we prolonged the frequency higher over and above $f_s$ such which the spectrum demonstrated is additionally precisely the same spectrum in each and every frequency band from $nf_s$ to $(n+one)f_s$ for just about any https://pg-in-sector-15-gurugram-45.webselfsite.net/blog/2025/07/27/book-modern-pg-for-boys-in-gurgaon-%E2%80%93-osmstays1