Table 2 Conductivity spectra used for numerical validation and phantom experiment
From: A novel time-difference electrical impedance tomography algorithm using multi-frequency information
| Frequency | Numerical validation (S/m) | Phantom experiment (S/m) | ||
|---|---|---|---|---|
| Normal brain | Ischemia brain | Pomelo | Cucumber | |
| \(\omega_{1}\) | 0.151 | 0.115 | 0.083 | 0.047 |
| \(\omega_{2}\) | 0.155 | 0.120 | 0.105 | 0.065 |
| \(\omega_{3}\) | 0.175 | 0.130 | 0.129 | 0.093 |