释义 |
pulse-amplitude modulation
pulse-amplitude modulation[′pəls ¦am·plə‚tüd ‚mäj·ə‚lā·shən] (communications) Amplitude modulation of a pulse carrier. Abbreviated PAM. pulse-amplitude modulationA technique in which a signal is broken down into bits, and the amplitude of each of these bits is measured to give a series of discrete values. See pulse modulation. |