TITLE: AN APPARATUS AND METHOD FOR MEASURING AND MONITORING COMPLEX PERMITTIVITY OF MATERIALS. An instrument for the measurement of complex permitivity of dielectric materials in solid, liquid and semisolid state comprising: a microwave resonator selected from the group of transmission and reflection reasonators, said microwave resonator having a resonator surface; a microwave sweep oscillator, the putput of which is coupled to the microwave resonator; a detector associated with the microwave resonator for detecting a frequency shift and a q factor of the microwave resonator; means for coupling power to and fromt he microwave resonator; means for measuring the power supplied to and received from the microwave resonator; a computer interfaced with a system with components including the microwave sweep osicllator, the microwave resonator, the detector and the means for measuring the power; electromagnetic software for the analysis of complex permitivity of the dielectric materials; and an inerfacing software for communication between components of the system and the computer.
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