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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
An LTID filter has an impulse response function given by h1[n] = δ[n + 2] − δ[n − 2]. A second LTID system has an impulse response function given by h2[n] = n(u[n + 4] − u[n − 4]).
a. Carefully sketch the functions h1[n] and h2[n] over (−10 ≤ n ≤ 10).
b. Assume that the two systems are connected in parallel as shown in Fig. P3.8-24. Determine the impulse response hp[n] for the parallel system in terms of h1[n] and h2[n]. Sketch hp[n] over (−10 ≤ n ≤ 10).

c. Assume that the two systems are connected in cascade as shown in Fig. P3.8-24. Determine the impulse response hs[n] for the cascade system in terms of h1[n] and h2[n]. Sketch hs[n] over (−10 ≤ n ≤ 10).
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