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2001 Annual Conference Proceedings
Pulse amplitude modulation (PAM) is used extensively in telecommunications as an intermediate step of other techniques such as phase shift keying (PSK), quadrature amplitude modulation (QAM) and pulse code modulation (PCM) 1 . PAM however is an amplitude modulated (AM) form of a pulse carrier 2 , and hence has all the advantages and disadvantages of the purely analog AM, a major disadvantage being noise. PAM can be time-division multiplexed (TDM), as can pulse code modulation (PCM) which is adoi:10.18260/1-2--9494 fatcat:bbn3jek5mjcqrie7v3pjopzghy