DSPY2004Mid_Ans

DSPY2004Mid_Ans - Digital Signal Processing Solutions to...

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2005/10/29 Media Processing LAB 1 Digital Signal Processing Digital Signal Processing Solutions to Midterm Exam 2004 Solutions to Midterm Exam 2004 Edited by Yu-Kuang Tu Confirmed by Prof. Jar-Ferr Yang LAB: 92923 R, TEL: ext. 621 E-mail: specta@video5.ee.ncku.edu.tw Page of MPL: http://mediawww.ee.ncku.edu.tw
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2005/10/29 Media Processing LAB 2 1. 2. (1) a, c, e (2) b, c, d, e (3) c, d, e (4) c, d, e (5) (b), c, d For right hand sequence Arrange the polynomial in descending order for both numerator and denominator For left hand sequence: Arrange the polynomial in ascending order Using long division to find the first term, by which we can get the initial (or final) value and its position (a) unstable, final value = -1 at position 0 (b) stable, initial value = 1 at position 1 (c) stable, final value = 1 at position 0 (d) stable, none (e) unstable, initial value = 1 at position 0 (f) unstable, final value = 1 at position -1
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2005/10/29 Media Processing LAB 3 . 1 ] 0 [ 2 ] [ 2 0 5 0 = = = δ k k k = 5 0 ] [ 2 n n k n 3. (1) 3. (2) 3. (3) ]. 2 [ 15 ] 2 [ 2 3 0 = = n n k k 3. (4) = 3 0 ] [ k k n k 23 456 1 1 0 2 4 8 16 Fig. 3.(1) 32 n 01 2 3 4 -1 Fig. 3.(3) 15 n 2 3 4 -1 Fig. 3.(4) 1 1 1 1
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2005/10/29 Media Processing LAB 4 3. (5) ] [ ] 3 [ 4 ] 2 [ 2 ] 1 [ 5 k k k k δ + + k 2 3 4 1 1 0 2 -4 Fig. 3.(5) 5 01 2 34 -1 Fig. 3.(8) -1 1 5 . 5 ] 3 [ 7 ] 0 [ 5 ] 1 [ 5 ] 2 [ 3 ] 3 [ 6 = + + + 3. (6) . 4 ] [ ] 3 [ 4 ] 2 [ 2 ] 1 [ 5 5 0 = + +
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DSPY2004Mid_Ans - Digital Signal Processing Solutions to...

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