首页> 外国专利> DIFFUSION WEIGHTED MULTIPLE SPIN ECHO (RARE) SEQUENCE WITH PERIODICALLY AMPLITUDE-MODULATED CRUSHER GRADIENTS

DIFFUSION WEIGHTED MULTIPLE SPIN ECHO (RARE) SEQUENCE WITH PERIODICALLY AMPLITUDE-MODULATED CRUSHER GRADIENTS

机译:具有周期性振幅调制的破碎梯度的加权加权多重自旋回波(稀有)序列

摘要

A magnetic resonance imaging method which involves a pulse sequence for generating magnetic resonance signals and in which diffusion weighting is applied, for example, by way of a pair of gradient pulses which are separated by a 180° refocusing RF pulse. The magnetic resonance signals are generated as spin echo signals due to refocusing pulses. The refocusing pulses are flanked by compensation gradient pulses and the gradient strengths of the compensation gradient pulses are alternated according to a periodic pattern.
机译:一种磁共振成像方法,包括用于产生磁共振信号的脉冲序列,并且例如通过一对由180°重聚焦RF脉冲分开的梯度脉冲施加扩散加权。由于重聚焦脉冲,磁共振信号作为自旋回波信号产生。重聚焦脉冲位于补偿梯度脉冲的两侧,并且补偿梯度脉冲的梯度强度根据周期模式交替。

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