2016_Imaging for Physicists
Position errors: slice selection
A deviation of the magnetic field during the 90° pulse results in a shift in the selected slice:
G G B z z z ∆ − ∆ G B
−= 0
1
z
z
Made with FlippingBook
Position errors: slice selection
A deviation of the magnetic field during the 90° pulse results in a shift in the selected slice:
G G B z z z ∆ − ∆ G B
−= 0
1
z
z
Made with FlippingBook