Relationship between the measured capacitances and the permittivities of the porous media was derived by an appropriate simplification.A three-point calibration method was presented.

• 该文针对通道型多孔介质的结构，经适当简化，导出了测量电容与被测物质介电常数的标定关系式，根据该关系式提出一种三点标定法。