As the name itself suggests optical communication system depends on light as the medium for communication.
U communication systems.
The roman system of military communication cursus publicus or cursus vehicularis is an early example of this.
In addition there are about 12 000 cable tv systems.
Most local commercial television stations are owned and operated by or affiliated.
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7 533 of which 1 778 are full power tv stations.
In an optical communication system the transmitter.
With the help of block diagram of communication system its very.
The word optical stands for light.
Communication is the process of transfer of information from sender to receiver.
Communications systems can include optical communications networks such as fiber optic cables radio and even power line communications.
The transmitter converts the information into signals suitable for the communication channel while the signals propagate through the channel noise signals arise.
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3 789 are tv translators.
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Communication system is a system model describes a communication exchanges between two stations transmitter and receiver.
Another distinction in types of communication is duplex communications.
Signals or information s passes from source to distention through what.
417 are class a tv stations.
A sophisticated system might mix and match these different types of media.
Later the terms signals and signaller became words referring to a highly distinct military occupation dealing with general communications methods similar to those in civil use rather than with weapons.
Figure shows a basic structure of a communication system.