Abstract
We propose for a method of non-contact real-time measuring of electrical conductivity, permittivity and permeability of materials by probing the surface being measured with a pulsed or continuous signal, as well as theoretical foundation of the above method. An example of the engineering implementation of a device providing for measuring using both types of probing signals is described. We consider the errors of the developed methods emerging in the process of solving the system of nonlinear equations, as well as the ways to improve measuring accuracy. A comparative study of the types of probing signals demonstrated that a pulse signal type is the most versatile, as it is possible to optimize the measuring process by adjusting the pulse’s shape and duration. However, processing of a reflected pulse signal requires more computational power when compared a continuous probe signal.
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