modulation – grec traduction

modulation

milit., logist. Process whereby the transmission of signals both telegraph and phone is possible, owing to the modification, depending on these signals, either of some characteristics of a so-called “carrying” ring wave, of a pulse train or of a continuous flow. The most common types of modulation are: 1. the amplitude modulation AM; 2. the frequency modulation FM; 3. the pulse code modulation PCM. (FRA)

; 2. the frequency modulation

; 3. the pulse code modulation