(a)
(b)
(c)
(d)
Figure 4:
Solid line: theoretic ACF of FGN. Dot line: ACF estimate. (a) ACF estimate of fGn with
H
= 0.75 for
N
= 2048. (b) The first 64 points of Figure
4(b)
. (c) The first 128 points of Figure
4(b)
. (d) The first 256 points of Figure
4(b)
.