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Table 2 Conductivity spectra used for numerical validation and phantom experiment

From: A novel time-difference electrical impedance tomography algorithm using multi-frequency information

FrequencyNumerical validation (S/m)Phantom experiment (S/m)
Normal brainIschemia brainPomeloCucumber
\(\omega_{1}\)0.1510.1150.0830.047
\(\omega_{2}\)0.1550.1200.1050.065
\(\omega_{3}\)0.1750.1300.1290.093
  1. \(\omega_{1}\)\(\omega_{3}\) are in the range of 10 Hz–100 kHz