226 / 1116
Position errors: slice selection
A deviation of the magnetic
field during the 90° pulse
results in a shift in the
selected slice:
z
G
z
G
B
G
B z z
z
∆
−
∆
−=
0
1
|
|
226 / 1116
Position errors: slice selection
A deviation of the magnetic
field during the 90° pulse
results in a shift in the
selected slice:
z
G
z
G
B
G
B z z
z
∆
−
∆
−=
0
1