2017 Imaging for Physicists Coursebook
Slice Selection
Gradient in z-direction G z
isocentre
B
0
y
z
x
+ Special Shaped 90 pulse
B
+ B
B
B
- B
0
0 0
0
+
0
-
0
Bandwidth of frequencies ±
Made with FlippingBook - Online catalogs
Slice Selection
Gradient in z-direction G z
isocentre
B
0
y
z
x
+ Special Shaped 90 pulse
B
+ B
B
B
- B
0
0 0
0
+
0
-
0
Bandwidth of frequencies ±
Made with FlippingBook - Online catalogs