modulate a pulse on a carrier
31Vocoder — A vocoder (  /ˈvoʊk …
32Red blood cell — Human red blood cells (6 8μm) Red blood cells (abbreviated RBCs; also referred to as erythrocytes or simply, as red cells[1]) are the most common type of blood cell and the vertebrate organism s principal means of delivering oxygen (O2) to the… …
33Frequency mixer — This article is about non linear mixing operating in the frequency domain. For other types of mixers, see electronic mixer. Frequency Mixer Symbol. In electronics a mixer or frequency mixer is a nonlinear electrical circuit that creates new… …
34Base station subsystem — The Base Station Subsystem (BSS) is the section of a traditional cellular telephone network which is responsible for handling traffic and signaling between a mobile phone and the network switching subsystem. The BSS carries out transcoding of… …