Explain the discrete time systems, Electrical Engineering

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Explain the Discrete Time Systems?

A system operates on an input signal, x[n] and output the results, y[n]. For example, a digital filter (a system) can be represented by the following block diagram. The input, x[n] and output, y[n] are the excitation and response of the filter respectively.

 

105_Discrete Time Systems.png

Characteristics of systems are

1. Linear

2. Time invariant

3. Shift invariant

4. Causal

5. Stability


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