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DSPY2004Final_Ans

# DSPY2004Final_Ans - Digital Signal Processing Solutions to...

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2005/12/26 Media Processing LAB 1 Digital Signal Processing Digital Signal Processing Solutions to Final Exam 2004 Solutions to Final Exam 2004 Edited by Yu-Kuang Tu Confirmed by Prof. Jar-Ferr Yang LAB: 92923 R, TEL: ext. 621 E-mail: [email protected] Page of MPL: http://mediawww.ee.ncku.edu.tw

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2005/12/26 Media Processing LAB 2 1-2. (a) (b) ). IV Type ]( [ ), II Type ]( [ ), I Type ]( [ : Filter Phase Linear 5 4 1 n h n h n h { } { } ]. )) [(( ] [ , 0 ] )) [(( ] [ 0 ] [ Im * * 2 1 N N j i n h n h n h n h k H = = = H 2 [ k ] and H 6 [ k ] are real for all k . -4 n 0 4 h 1 [ n ] 3 1 2 1 3 Center of symmetry n 0 5 h 4 [ n ] 4 2 -1 -1 2 Center of symmetry 4 n 0 5 h 5 [ n ] 4 2 -3 -3 -2 Center of symmetry
2005/12/26 Media Processing LAB 3 2-1. (a) (b) (c) ( ) ( ) = = = = 1 0 / 2 1 0 / 2 ] [ 1 ] [ ] [ ] [ N k kn N j N n kn N j e k X N n x e n x k X π π x [ n ] = [3 4 -2 7 -4 1 -5 2] ( ) ( ) ]. 32 16 56 32 8 40 16 24 [ 7 0 ], )) [(( 8 ] [ DFT DFT 8 8 = = k k x n x ( ) . 0 ] 8 [ 16 ] [ ] [ 1 8 16 8 2 7 0 16 15 0 16 = = = = = x e k X k X k j k k k π . 22 ] 8 [ 16 = X (d) . 0 ] 8 [ 8 = X

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2005/12/26 Media Processing LAB 4 2-2.
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DSPY2004Final_Ans - Digital Signal Processing Solutions to...

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