Simulation study of coils sensor preferences in magnetic induction tomography

Magnetic induction tomography (MIT) is an imaging technology by measuring conductivity of biological tissue based on the eddy current testing principle. Measuring eddy current information correctly is an effective method to acquire direct problem of MIT. Based on the basic coil sensor, simulation model is constructed based on finite element method and conductor with different conductivity is measured in the field separately. The influence of coil sensor to detection is analyzed by changing the parameters of coil structure, such as distance between excitation coil and the conductor, current and frequency of excitation coil, then the optimal parameter of the coil sensor suitable to testing is chosen, so the resolution is enhanced from the sensor part.