Maurice Tutor

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    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Oct 2017 My Price 6.00

finite-duration sequence

8.31.    The OFT of a finite-duration sequence corresponds to samples of its z-transform on  the unit circle. For example, t he OFT of a 10-point sequence x [n] corresponds to samples of X( z) a t the 10 equally spaced points indicated in Figure P8.31 1. We wish to find the equally spaced samples of X( z) on the contour shown in Figure P8.31-2: i.e., we wish to obtain

 

X( z) Iz=0.5elilhk;IO) +(,.l .

 

Show how to modify x [n] to obtain a sequence x 1 [n] such that the OFT of x1 [n] corresponds to the desired samples of  X( z ).

 

 

 

!J m

 

 

z-plane

 

 

Unit

circle

 

 

.J/J.e

 

 

 

 

 

 

 

 

Figure P8.31-1

 

 

 

 

 

.1m

 

 

 

 

 

 

 

 

 

 

Figure P8.31-2

 

 

 

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Maurice Tutor
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Status NEW Posted 12 Oct 2017 08:10 PM My Price 6.00

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