Chapter: Signals and Systems : Classification of Signals and Systems

Continuous-time and discrete-time systems

Physically, a system is an interconnection of components, devices, etc., such as a computer or an aircraft or a power plant.

Continuous-time and discrete-time systems

· Physically, a system is an interconnection of components, devices, etc., such as a computer or an aircraft or a power plant.

· Conceptually, a system can be viewed as a black box which takes in an input signal x(t) (or x[n]) and as a result generates an output signal y(t) (or (y[n]).

· A system is continuous-time (discrete-time) when its I/O signals are continuous-time (discrete-time).

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Signals and Systems : Classification of Signals and Systems : Continuous-time and discrete-time systems |