HW3 solution (revised)

HW3 solution (revised) - 2.21(a y[n x[n h n x[k]h[n k k k u...

This preview shows pages 1–11. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2.21 (a) 00 11 [] []*[] [][ ] [ ] () , 0 , 0 The eq. above can also be written as: [ ] , k kn k k nn k n k kk y nx n h n xkhn k uk un k for n for n and un for          (c) 3 40 0 2 ] 1 [4 ] 4 [ 2 ] 2 1 4( ) [ 4 ] [ 2 ] ( 1 ) 8 6, (1) 1 ) 4 ( ( ) ( ) )( 2 ) 88 8 6, 1 ) 8 k k k nk k n k k k yn xn hn u n k u if n then becomes if n then becomes    1 4 4 (() ) ( 3 ) From (2) and (3), we can obtain 81 4( ) ( ), 6 98 ( ), 6 92 n k n n n n  

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
(d) [] []*[] [][ ] [ 0 ] [ ][ 1 ] [1 2 ] [2 3 ] [3 4 ] [4 ] since x[n]=1, for n=1~4, the eq. above thus becomes: [ ][1 ][2 ][3 ][4 ] k yn xn hn xkhn k x hn x hn x x   

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 11

HW3 solution (revised) - 2.21(a y[n x[n h n x[k]h[n k k k u...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online