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Unformatted text preview: ENEE 241 02 * HOMEWORK ASSIGNMENT 21 Due Thu 05/07 Consider the FIR filter with inputoutput relationship y [ n ] = x [ n ] 3 x [ n 1] + 3 x [ n 3] x [ n 4] , n Z (Note the zero coefficient.) (i) Determine the response y ( i ) [ ] of the filter to each of the input signals given by the equations below (valid for all n Z ). x (1) [ n ] = 2 n (2 pts.) x (2) [ n ] = ( 2) n (2 pts.) x (3) [ n ] = 3 2 n + ( 2) n (2 pts.) x (4) [ n ] = cos( n/ 4 . 4) (3 pts.) x (5) [ n ] = 3 n cos( n/ 4) (4 pts.) (ii) (5 pts.) The filter above is connected in series (cascade) with the filter of the previous assignment, i.e., with inputoutput relationship y [ n ] = x [ n ] + x [ n 2] x [ n 6] x [ n 8] , n Z Determine the system function H ( z ) of the twofilter cascade. (iii) (2 pts.) Write out the inputoutput relationship of the twofilter cascade. Solved Examples S 21.1 ( P 4.4 in textbook). Consider the FIR filter whose input x and output y are related by y [ n ] =...
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 Spring '08
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