129 / 1542
-5
0
5
10
15
0
5
10
15
20
25
30
35
: with NAL setup correction
Residue sys err = 3 mm
Displacement (mm)
Fraction
: without setup correction
trend =
0.15 mm/fraction
Sys err = 7.5 mm
Performance NAL and eNAL in presence of time trend