clickerquiz3sec2 - else k n k n a , , 1 ] [ 2 1 and else l...

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Quiz #03.2 – p.1 ECSE-2410 Signals & Systems - Fall 2007 Tue 09/14/07 1. If the impulse response of a LTI system is ] [ n h , then which of the following is true? (a) (b) (c) (d) (e) LTI ] [ ] [ n n x ] [ ] [ n h n y LTI ] [ ] [ n u n x ] [ ] [ n h n y LTI ] [ ] [ n n x ] [ ] [ n u n y LTI ] [ ] [ n n x ] [ ] [ ] [ n u n h n y ] [ ] [ n u n x ] [ ] [ n n y LTI
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2. For the convolution ] [ ] [ ] [ n b n a n c , where ] [ n c is equal to: (a) (c) n ] [ n c 1 1 4 4 0 2 2 1 1 6 n ] [ n b 1 1 1 1 0 2 n ] [ n a 1 1 0 1 2 1 n ] [ n c 1 1 0 1 4 1 (b) n ] [ n c 1 1 0 2 4 1 (d) n ] [ n c 1 1 4 4 0 2 4 1 3 6 (e) n ] [ n c 1 1 0 1 2 1
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3. The output of an LTI system is given by  k k n x k h n x n h n y ] [ ] [ ] [ ] [ ] [ . If ] [ ] [ n u n x and ] [ 2 1 ] [ n u n h n , then the value of ] [ n y , when 2 n is (a) 0 ] 2 [ y (b) 1 ] 2 [ y (c) 2 1 1 ] 2 [ y (d) 4 3 1 ] 2 [ y (e) 2 ] 2 [ y
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4. Consider ] [ ] [ ] [ n b n a n c , where For what value of 1 n n does the convolution, 0 ] [ 1 n c ? (a) 0 1 n (b) 1 1 n (c) 2 1 n (d) 3 1 n (e) 4 1 n n ] [ n a 1 1 1 0 2 1 3 n   2 ] [ n n b 1 3 2 1 1 2 0 4 3 1 2
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5. The convolution of
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Unformatted text preview: else k n k n a , , 1 ] [ 2 1 and else l n l n b , , 1 ] [ 2 1 results in else m n m c n b n a n , , ] [ ] [ 2 1 , where the n c . What is the relationship between integers l k m & , ? (a) 1 2 1 k k m & 1 2 2 l l m (b) 2 1 1 k k m & 2 1 2 l l m (c) 1 1 1 l k m & 2 2 2 l k m (d) 1 1 1 l k m & 2 2 2 l k m (e) ) , min( 1 1 1 l k m & ) , ( max 2 2 2 l k m...
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clickerquiz3sec2 - else k n k n a , , 1 ] [ 2 1 and else l...

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