Dynamic range requirements for MRI

@inproceedings{Behin2005DynamicRR,
  title={Dynamic range requirements for MRI},
  author={Rayhan Behin and Jonathan Bishop and R. Mark Henkelman},
  year={2005}
}
In order to realize the full potential in an MR receiver, the digitizer must capture a signal magnitude range from the central k-space peak to the thermal noise floor of the system. This dynamic range can exceed the performance of standard 16-bit data converters. For example, a whole-body mouse scan in a 7 Tesla magnet requires 20 bits of dynamic range. A 3D high-resolution mouse scan at 75 μm isotropic voxel resolution using a 16-bit spectrometer shows an eightfold improvement in image SNR by… CONTINUE READING

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