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Posted inTelecommunication
Data transmission
Data transmission, Sending and receiving data via cables (e.g., telephone lines or fibre optics) or wireless relay systems.…
Posted inTelecommunication
The Beginning of Electric Telegraphy
The first transmitters and receivers The electric telegraph did not burst suddenly upon the scene but rather resulted…
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Switching
Switching, in communications, equipment and techniques for enabling any station in a communications system to…
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Multiple Access
Multiplexing is defined as the sharing of a communications channel through local combining at a…
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Time-division multiplexing
Multiplexing also may be conducted through the interleaving of time segments from different signals onto…
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Multiplexing
Because of the installation cost of a communications channel, such as a microwave link or…
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Modulation
In many telecommunications systems, it is necessary to represent an information-bearing signal with a waveform…
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Channel Encoding
As described in Source encoding, one purpose of the source encoder is to eliminate redundant binary digits from…
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Telecommunication
Telecommunication, science and practice of transmitting information by electromagnetic means. Modern telecommunication centres on the problems involved…
Posted inSystems and controls
Other methods of machining
Ultrasonic machining (USM) In USM, material is removed from a workpiece with particles of abrasive that vibrate…