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Table 2
Constraints applied to the potentials and currents to solve Eq. (24).
| Variable | Constraint | Comments |
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I1,I2,I3,(I4),I5,I6,I7,I8,I9,I10,I11, I12,(I13),I14,(I15),I16,(I17),I18,I19 |
0 A | The current injected in a passive conductor is zero. The currents in transmitting electrodes (between brackets) are set to 0 only when not used. |
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0 A | Kirchhoff’s law |
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| V3 −
V13 or V3 − V15 or V3 − V17 or V15 − V17 |
Amplitude of the transmitted signal | The potential difference between the two transmitting electrodes is set by telecommand. |
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| V11 − V13 | (V8 − V13)α11 | The potentials of the guards of the receiving electrodes are equal to the potential of the soles multiplied by the transfer factors α7 and α11. |
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| V7 − V13 | (V8 − V13)α7 | The parameters α7 and α11
depend on temperature and frequency and have been measured. |
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