Unformatted text preview: (c) x c [ n ]={0 ,0,1,1,0,0,1,1,. ..}. 4(25). A firstorder, recursive, digital lowpass filter is described by ] 1 [ 3 1 ] [ 2 1 ] 1 [ 2 1 ] [ + = n x n x n y n y . (a) Find the transfer function of the lowpass filter. ) ( z H (b) Find the impulse response of the lowpass filter using ztransforms. (c) Find the step response of the lowpass filter using ztransforms. (d) Plot the polezero diagram of H ( z ) in the zplane. (e) Is the lowpass filter stable? Why or why not? 5(20). Find the closed form analytic expressions for the inverse ztransforms of the following. Use tables and properties. (a) 2 4 1 1 1 1 ) ( = z z z X a (b) ( ) ( ) 1/z z z = (z) X 1b 2 1 1 2...
View
Full
Document
This homework help was uploaded on 04/10/2008 for the course ECSE 2410 taught by Professor Wozny during the Spring '07 term at Rensselaer Polytechnic Institute.
 Spring '07
 WOZNY

Click to edit the document details