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Causal lti discrete-time systems

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Reference no: EM13889193

Find the impulse response h[n] for each of the causal LTI discrete-time systems satisfying the following difference equations and indicate whether each system is a FIR or an IIR system.

(a) y [n] = x [n] - 2 x [n - 2] + x [n - 3]

(b) y [n] + 2 y [n - 1] = x [n] + x [n - 1]

(c) y [n] - !y [n - 2] = 2 x [n] - x [n - 2]

Reference no: EM13889193

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