Fig. 2
From: Parameterization of physical properties of layered body structure into equivalent circuit model

Complex permittivity measurement of salted and pure agar material and comparison of phantom capacitances. a magnitude of the complex permittivities, b phase of the complex permittivities, c PPC phantom capacitance comparison, and d SPC phantom capacitance comparison. (mean ±2 std for b, c, and d)