Unformatted text preview: h [ n ]. 6(15). Use MATLAB’s freqz command to plot the frequency response, ) ( ϖ j e X , 2 ≤ ≤ , for the pole-zero diagrams: 7(15). (a) Find the inverse z-transform of ( 29 2 1 2 1 2 1 1 1 ) (----= z z z X . Assume ] [ = n x for < n . (b) Use the initial value theorem to find ] [ x . Does this value agree with the result from part(a)? (c) Where are the poles of X ( z )? Is the sequence stable? (a) (b) (c)...
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- Spring '07
- Signal Processing, Inverse Z-Transform, LTI system theory, impulse response sequence