In Figure, H(z) is the system function of a causal LTI system. (a) Using z-transforms of the
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In Figure, H(z) is the system function of a causal LTI system.
(a) Using z-transforms of the signals shown in figure, obtain an expression for W(z) in the form
W(z) = H1(z) X(z) + H2(z) E(z),
where both H1(z) and H2(z) are expressed in terms of H(z).
(b) For the special case H(z) = z–1 /(1 – z–1), determine H1(z) and H2(z).
(c) Is the system H(z) stable? Are the systems H1(z) and H2(z) stable?
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Related Book For
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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