Orbit and trajectory correction 83
0
10
20
30
40
50
60
index
10
-4
10
-2
10
0
10
2
SV
Horizontal
Vertical
SPEAR3
0
20
40
60
80
100
120
140
160
180
index
10
-2
10
-1
10
0
10
1
10
2
SV
Horizontal
Vertical
NSLS-II
Figure 3.4 Singular values for the orbit response matrices for SPEAR3 (top) and
NSLS-II (bottom).
u, v
-0.2
0
0.2
s (m)
0
50
100
150
200
250
u, v
-0.2
0
0.2
v 1
u 1
Vertical
Horizontal
Figure 3.5 The u- and v-vector for the leading SV mode of the SPEAR3 orbit
response matrix. Top: horizontal; bottom: vertical.