135 / 1241
Spatial encoding
• Wavelength of RF is long
(~meters)
• Imaging must be done based on a
different principle
• Use the Larmor relation:
• Apply a gradient in the magnetic
field
0
0
B
z
zG
BB
0
|
|
135 / 1241
Spatial encoding
• Wavelength of RF is long
(~meters)
• Imaging must be done based on a
different principle
• Use the Larmor relation:
• Apply a gradient in the magnetic
field
0
0
B
z
zG
BB
0