When expressed being an Digital signal, the signal is available for even more processing by electrical products such as electronic amplifiers and filters, and can be transmitted to some remote area by a transmitter and acquired working with radio receivers. In electrical engineering (EE) courses, signals are included in a https://www.tumblr.com/aegaming-blog1/806680241884004353/%E5%9C%A8%E4%B8%87%E7%89%A9%E4%BA%92%E8%81%94%E7%9A%84-2026