Basic of Signals and systems

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timkuc

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What is difference between continuous time signal and a analog signal ??



[I read that every analog signal is a continuous time signal but not every continuous time signal is analog signal . Why ??]

Plz elaborate with example
 

the ct signals are those which can be represented as a math eqn eg sine wave

they can be represented as either a single eqn or an expression mathematically

where as analog signals are also continuous signals but they cannot be represented as a math eqn eg human voice

it is continuous but has no fixed relationship that can be represented as a function of time
 

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