释义 |
dephasing
de·phas·ing (dē-fāz'ing), In magnetic resonance imaging, following alignment by a radiofrequency pulse, the gradual loss of orientation of the magnetic atomic nuclei due to random molecular energy transfer or relaxation.dephasing An MRI term of art referring to the fanning out or loss of phase coherence of signals within the transverse plane.de·phas·ing (dē-fāz'ing) magnetic resonance The gradual loss of orientation of the magnetic atomic nuclei due to random molecular energy transfer or relaxation following alignment by a radiofrequency pulse. |