Question

hw 9 ue Apr 17,2019 2:70PM Last Submission: None 1a. l6 pts] Pole-Zero Plots and Frequeney Response, DT systems. For each of the following three transfer functiona: H(z) = 1 + (49, 64): 2 1 +2-1 1(18/10) cos(/4)2-(81/100)22 H(z) sketch the pole-zero plots. Identify regions of convergence (ROC) such that the frequency responses magnitude responses (a)-c) below exist and match them to the three Explain briefly.

Answer 1

2-2 1 4-49 2-2 64 dlemomimater to 64- 4-9 Roc do not 7 3

Roc P2→ (-0.636-0636() g:' 0636 0,636 22 0 636 P2 つで0cejH(2).TEZje686tz) must Ge 리 > lo,
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