Pure phase encode magnetic field gradient monitor.

  title={Pure phase encode magnetic field gradient monitor.},
  author={Hui Han and Rodney P MacGregor and Bruce J. Balcom},
  journal={Journal of magnetic resonance},
  volume={201 2},
Numerous methods have been developed to measure MRI gradient waveforms and k-space trajectories. The most promising new strategy appears to be magnetic field monitoring with RF microprobes. Multiple RF microprobes may record the magnetic field evolution associated with a wide variety of imaging pulse sequences. The method involves exciting one or more test samples and measuring the time evolution of magnetization through the FIDs. Two critical problems remain. The gradient waveform duration is… CONTINUE READING

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