in hours 
t 
100. 
BO 
60 
40 
20 
%+J000 _x+990 x:900 x700 600 
30 20 «15 to 9 8 7 6 3 4 3 z AX 
t=20 HOURS 
X=400 KM. 
Fel0O KM 
2w 27 20 20 27207 am 20 27 27 20 27 
z0 10 9 8 7 é asy gi 0" som 2 
2s 
SS t-20 HOURS 
S X= B00 KM. 
Fe200 KM. 
t+ 40 HOURS 
X= 800 KM 
gas t+60 HOURS 
X=800 KM. 
~ t=B80 HOURS 
ye = 
s X=800 KM 
/ x F=200 KM 
FIG. 16 FORECASTING DIAGRAM FOR THE SQUARE CORNERED FILTER AND THE 
SMOOTHED SQUARE CORNER FILTER FOR THE CASE OF. A FETCH OF LENGTH, F. 
—I63= 
