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What is signal ?

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What is signal ?

Posted by Aśhîšh Tŕípåthy 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Shweta Gulati 7 years, 1 month ago

A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon". In the physical world, any quantity exhibiting variation in time or variation in space (such as an image) is potentially a signal that might provide information on the status of a physical system, or convey a message between observers, among other possibilities.

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