MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD FOR SHIMMING OF MAGNETIC RESONANCE IMAGING APPARATUS THEREOF

摘要

One magnetic field and a high frequency are applied to a theme by least one magnet of the radio-frequency coil containing MRI apparatus and a hole and obtain sperm field map corresponding with the magnetic field formed among hole, execute a step of the calking using a pause channel, receive a step of free induction decay (FID) signal from radio-frequency coil, the step for determining the state in the magnetic field based on FID signals, discloses a shimming method of a magnetic resonance imaging apparatus.