4. If the quantized value xo is obtained by truncation of x instead of rounding, show that the truncation error e = XQ - x will be in the interval [-Q, 0]. Assume a uniform probability density p(e) over this interval, that is p(e) 4 1/Q 1 if -Q

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.27P
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Electrical Engineering
4. If the quantized value xo is obtained by truncation of x instead of rounding, show that the
truncation error e = XQ - X will be in the interval [-Q, 0]. Assume a uniform probability density
p(e) over this interval, that is
p(e) 4
1/Q
1
if -Q <e s0
Q
p(e) =
0 otherwise
a. Find the mean of error
b. Find the variance of error
Transcribed Image Text:Electrical Engineering 4. If the quantized value xo is obtained by truncation of x instead of rounding, show that the truncation error e = XQ - X will be in the interval [-Q, 0]. Assume a uniform probability density p(e) over this interval, that is p(e) 4 1/Q 1 if -Q <e s0 Q p(e) = 0 otherwise a. Find the mean of error b. Find the variance of error
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