starting at the top. At a given instant in time, let S
0
represent the current
sample, S
x
the sample one line above, and so on as shown in Fig. 16b. Let
R
s
(Uj)
denote
the
expectation
E{SiSj}.
We
have
used
the
subscript
s in
Rs(hj)to
avoid confusion with the autocorrelation R(<x, β) of a homogeneous
random field. ...
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