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. Author manuscript; available in PMC: 2021 Apr 15.
Published in final edited form as: J Phys Conf Ser. 2020;1559:012022. doi: 10.1088/1742-6596/1559/1/012022

Table 3.

Comparison of the measured coupled resonances of the all-HTS NMR probe with the magnetic coupling model’s predictions before trimming. The magnetic coupling model constructed from measured Knm values predicted constructive modes ω1,3,5 and destructive modes ω2,4,6 with 1.26 and 5.30 RMSPE, respectively. Knm was adjusted to account for mounting errors by using a descent algorithm to minimize RMSPE to 0.82 for ω1,3,5 and 0.76 for ω2,4,6.

Before Trimming ω1 ω2 ω3 ω4 ω5 ω6
Measured Resonances (MHz) 89.520 93.338 137.704 147.670 542.130 651.369
Prediction: Measured Knm (MHz) 89.988 94.436 140.636 147.750 542.754 710.705
Prediction: Adjusted Knm (MHz) 90.797 94.563 137.697 147.866 542.496 651.379