PDM, also known as pulse-length modulation (PLM) or pulse-width modulation ( PWM), is much less affected by noise because the amplitude ... Like PAM, however, PDM has the disadvantage of irregular power demand on the transmitter. ... 3.1.3 Pulse-code Modulation In PCM, the received information is not only independent of the pulse shape, but the precise location of the pulse is not important either.
|Title||:||Communications and Information Systems|
|Author||:||Michael John Ryan, Michael Frater|
|Publisher||:||Argos Press P/L - 2002-01-01|