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Unformatted text preview: iewed separately, if we let the
upper limit of either sum be N, and let N increase, the
= | value of the sum will oscillate between 0 and 1/pi. So
there is no limiting value. = yEl * -t Axr,t " ENb) =o*Eev1 - *8,%(*) =O
= -fu,;# #" = fu "fo ?-o =#jg# $corflyDur+ ,*r^)
(o * E, *( -y) *
fint This is correct because the numerator is never larger than 2/pi;
and the denominator is tending to infinity. -0.707
-r- (-->. : 0.707 -0.707
1 \.-s S,N\
\- c 5;s N
r-t 0.707 .\ 1l ll LJ s n
(\, ><, sl
qJ s.E- r\ J, Page 3 Page 4 The first filter makes the signal smoother. It’s like...
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