Unformatted text preview: BZT is deﬁned as follows: F ( z ) = ∞ X k =∞ f [ k ] zk . Compute the BZT of f [ k ] = a k u [ k ] and f [ k ] =a k u [k1] and include the region of convergence in each case. Also, what is the UZT for each of these discretetime signals? 3. Using only the fact that γ k u [ k ] ⇔ z/ ( zγ ) and properties of the ZT, ﬁnd the ZT for the following signals: (a) k 2 γ k u [ k ] (b) k 3 u [ k ] (c) a k ( u [ k ]u [ km ]) (d) k e2 k u [ km ]...
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 Spring '08
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 Electrical Engineering, Digital Signal Processing, Signal Processing, DT LTI, DT LTI Systems

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