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Channel Encoding
As described in Source encoding, one purpose of the source encoder is to eliminate redundant binary digits from…
Posted inTelecommunication
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…
Posted inSystems and controls
Electrical-discharge machining (EDM)
EDM involves the direction of high-frequency electrical spark discharges from a graphite or soft metal tool,…
Posted inSystems and controls
Adaptive control
Improvements in CNC machine tools depend on the refinement of adaptive control, which is the automatic monitoring…
Posted inSystems and controls
Frequency response
Hearing aid Hearing aid, device that increases the loudness of sounds in the ear of the wearer.…
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Damping
Damping, in physics, restraining of vibratory motion, such as mechanical oscillations, noise, and alternating electric currents, by dissipation of energy. Unless…
Posted inSystems and controls
Servomechanism
Servomechanism, automatic device used to correct the performance of a mechanism by means of an…
Posted inSystems and controls
Superconductivity
Superconductivity, complete disappearance of electrical resistance in various solids when they are cooled below a characteristic temperature.…
Posted inSystems and controls
Electromotive force
Electromotive force, abbreviation E or emf, energy per unit electric charge that is imparted by an energy source, such as an electric generator or…