The Simulation Research of the 2 Dimensional Phase-Contrast Magnetic Resonance Imaging
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摘要: 为了研究扰相梯度对流动伪影的抑制作用,针对相位对比磁共振成像的过程进行仿真研究。在仿真中模拟液体中质子的流动、磁共振成像中信号采集和信号处理的整个过程。经过仿真得到的相位对比图像可用来测量液体的流速,并与设定的流速值进行对比。结果表明,仿真结果反映了真实的流速信息。为了对仿真结果进行进一步的验证,进行了模体的实验。仿真结果和实验结果具有良好的一致性。
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