What is Noise in Communication? A broad definition of noise in communication is something that keeps a receiver from completely comprehending a message. Distractions can inhibit a person from offering his undivided attention and may keep him from fully grasping what you are trying to say.
Difference Between FDM and FDMA. Frequency Division Multiplexing, or FDM, is a multiplexing technique for the physical layer that allows multiple low bandwidth signals to share the same high bandwidth frequency range. It is achieved by allocating a smaller frequency range to each signal that is using the same channel.
Flexible printed circuits was born around 1960 by using polyimide film developed by DuPont in the USA. As the name suggests, FPCs are printed circuit boards in the form of film that have outstanding flexibility and bendability. At first, they were used in aerospace indus-try and other applications that required high reliability.