Scrambler: Telecommunication, Recording, Randomizer, Public Switched Telephone Network, Line Code, Forward Error Correction, Automatic Gain Control, Cross Modulation, Intermodulation

Scrambler: Telecommunication, Recording, Randomizer, Public Switched Telephone Network, Line Code, Forward Error Correction, Automatic Gain Control, Cross Modulation, Intermodulation

Taschenbuch - 9786130353100
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Beschreibung

High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! In telecommunications, a scrambler is a device that transposes or inverts signals or otherwise encodes a message at the transmitter to make the message unintelligible at a receiver not equipped with an appropriately set descrambling device. Whereas encryption usually refers to operations carried out in the digital domain, scrambling usually refers to operations carried out in the analog domain. Scrambling is accomplished by the addition of components to the original signal or the changing of some important component of the original signal in order to make extraction of the original signal difficult. Examples of the latter might include removing or changing vertical or horizontal sync pulses in television signals; televisions will not be able to display a picture from such a signal. Some modern scramblers are actually encryption devices, the name remaining due to the similarities in use, as opposed to internal operation.

Details

Verlag Betascript Publishers
Ersterscheinung Februar 2010
Maße 220 mm x 150 mm x 7 mm
Gewicht 195 Gramm
Format Taschenbuch
ISBN-13 9786130353100
Auflage Nicht bekannt
Seiten 120

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