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2. Time-Domain Representations of LTI Systems

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<strong>2.</strong>3 Convolution Sum Evaluation ProcedureExample <strong>2.</strong>2:Convolution Sum Evaluation by usingIntermediate Signaln3Consider a system with impulse response h n un 4Find the output <strong>of</strong> the system when the input is x [n] = u [n].Fig. <strong>2.</strong>3 Fig. <strong>2.</strong>3 depicts x[k] superimposed on the reflected and timeshiftedimpulse response h[nk].Find h[nk] :<strong>Time</strong>-<strong>Domain</strong> <strong>Representations</strong> <strong>of</strong><strong>LTI</strong> <strong>Systems</strong>9

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