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Unformatted text preview: BZT is dened as follows: F ( z ) = X k =- f [ k ] z-k . Compute the BZT of f [ k ] = a k u [ k ] and f [ k ] =-a k u [-k-1] and include the region of convergence in each case. Also, what is the UZT for each of these discrete-time signals? 3. Using only the fact that k u [ k ] z/ ( z- ) and properties of the ZT, nd the ZT for the following signals: (a) k 2 k u [ k ] (b) k 3 u [ k ] (c) a k ( u [ k ]-u [ k-m ]) (d) k e-2 k u [ k-m ]...
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- Spring '08
- Signal Processing