| 摘要 |
In order to eliminate a global phase change caused by an inhomogeneous static magnetic field and included in a nuclear magnetic resonance signal, attention is paid to the fact that a phase component caused by a inhomogeneous static magnetic field and generated in a nuclear magnetic resonance signal is in a predetermined frequency band (low-frequency band), and the phase component in the frequency band caused by the inhomogeneous static magnetic field is eliminated from an image generated from a nuclear magnetic resonance signal in main imaging. The predetermined frequency band of the phase component caused by the inhomogeneous static magnetic field is found from a nuclear magnetic resonance signal acquired by preliminary imaging. |
