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signal

A signal is the representation of information. It is characterized by the amplitude value or value progression of a physical quantity over a time or another physical quantity.

According to the German Institute for Standardization e.V.(DIN), a signal is understood to be the physical representation of messages or data.

A signal whose signal parameter represents a message consisting only of value and time continuous function is called analog signal. If, on the other hand, the signal consists only of characters, each character corresponding to a specific value range of the signal parameter, then it is called a digital signal.

Informations:
Englisch: signal
Updated at: 31.03.2006
#Words: 101
Links: information, amplitude, data, parameter (PAR), message (MSG)
Translations: DE
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