Patent ID: 9658306
Date: 2017-05-23
CPC Classifications: G01R

Claim:
1. A magnetic resonance imaging (MRI) method, comprising: acquiring a resonance frequency of a portion of an area of a subject from a free induction decay (FID) signal by performing a transform of the acquired FID signal and determining a frequency with a peak value according to the transform; and applying a refocusing radio frequency (RF) pulse comprising the resonance frequency to acquire an echo signal to generate a magnetic resonance image of the portion of the area, wherein the acquiring of the resonance frequency and the applying of the refocusing RF pulse are performed in each of sections, corresponding to a repetition time, of an RF pulse sequence, and wherein the resonance frequency is used to generate the refocusing RF pulse in a same section and to generate an excitation RF pulse in a next section, the next section corresponding to a next repetition time.