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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Magn Reson Med. 2012 Jun 19;69(5):1457–1465. doi: 10.1002/mrm.24374

Table 2.

Simulated coil weightings used to characterize Λ. Steps 1–16 were used to calibrate the model and steps 17–24 were used to validate the accuracy of local heating predictions based on the model.

Step Coil 1 Coil 2 Coil 3 Coil 4
Amp Phase Amp Phase Amp Phase Amp Phase
1 2.828 0 0 0 0 0 0 0
2 0 0 2.828 0 0 0 0 0
3 0 0 0 0 2.828 0 0 0
4 0 0 0 0 0 0 2.828 0
5 2 0 2 0 0 0 0 0
6 2 0 2 90 0 0 0 0
7 0 0 2 0 2 0 0 0
8 0 0 2 0 2 90 0 0
9 0 0 0 0 2 0 2 0
10 0 0 0 0 2 0 2 90
11 2 0 0 0 2 0 0 0
12 2 0 0 0 2 90 0 0
13 0 0 2 0 0 0 2 0
14 0 0 2 0 0 0 2 90
15 2 0 0 0 0 0 2 0
16 2 0 0 0 0 0 2 90
17 2.4 −63 7.2 −2 2.2 −84 1.8 −58
18 4 −24 5.6 −5 3.8 37 2.2 20
19 7.4 53 2.8 −13 3.4 −32 1.6 −17
20 3.4 59 6.2 6 2.8 3 2.4 −75
21 1 46 2.2 −50 2.8 −61 2.2 −75
22 3 30 0.2 25 3.2 43 1.6 −2
23 2.8 −72 1.4 −13 1.4 −1 2 32
24 3.4 −79 1.4 −72 4.4 43 3.2 −44