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In electromagnetic tomography, phase of measurements from receivers contain the significant information of conductivity for target to test. The quality of reconstruction image mainly depends on the precision of phase detection. To discuss the effects in this aspect, simulate the relative conditions by the finite element simulation software, COMSOL Multi-physics. Conduct simulations for the target...
Based on the electromagnetic induction theory, the process of electromagnetic tomography is described as follows, exciting magnetic field is produced by alternating current which is injected into electromagnetic sensor array at the boundary of object field, and the induced magnetic field, which is affected by exciting magnetic field, is aroused in the electrical or magnetic conductive objects. The...
Electromagnetic tomography has potential value in process measurement. The frontier of electromagnetic tomography system is the sensor array. Owing to the excited signal acting on the sensor array directly, the excited strategy and the frequency and amplitude of the signal affect the quality of the information that the detected coil acquired from the object space. Furthermore, it would affect the...
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