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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Magn Reson Med. 2016 Oct 21;78(3):1093–1099. doi: 10.1002/mrm.26499

Table 1.

Estimated PSF frequency content from the joint optimization across two scanners and two protocols. The estimated values are compared against the theoretical for both the Y and Z gradient waveforms. The resolution and per echo data consistency RMSE are reported below the PSF values.

Frequency Theoretical PSF Skyra Scanner Prisma Scanner
Real Imag Real Imag Real Imag
Y Gradient 0 0.000 0.000 −0.038 0.000 0.000 0.000
26 0.000 0.000 0.000 −0.005 0.000 −0.003
27 0.000 0.834 0.003 0.837 0.004 0.829
28 0.000 0.000 0.000 0.003 0.000 0.002
Z Gradient 0 1.668 0.000 1.680 0.000 1.668 0.000
26 0.000 0.000 −0.007 −0.002 −0.003 0.000
27 0.000 0.834 0.051 0.832 −0.012 0.849
28 0.000 0.000 0.005 0.000 0.002 −0.002
Resolution: 1.0×1.0×1.0mm3 RMSE (%): [17, 24] RMSE (%): [13, 18]
Frequency Theoretical PSF Skyra Scanner Prisma Scanner
Real Imag Real Imag Real Imag
Y Gradient 0 0.000 0.000 0.038 0.000 0.000 0.000
30 0.000 0.000 0.000 −0.002 0.000 0.000
31 0.000 0.567 0.003 0.546 −0.001 0.565
32 0.000 0.000 0.000 0.002 0.000 0.000
Z Gradient 0 1.130 0.000 1.170 0.000 1.170 0.000
30 0.000 0.000 −0.002 0.000 −0.002 0.000
31 0.000 0.567 0.014 0.544 −0.026 0.576
32 0.000 0.000 0.000 0.000 0.002 0.000
Resolution: 0.76×0.76×1.5mm3 RMSE (%): [16, 22] RMSE (%): [12, 16]