Research and Analysis of the Method for Measuring the Moisture Content of Cottonmaterials at Ultrahigh Frequencies
Palvan Kalandarov«Tashkent institute of irrigation and agricultural mechanization engineers», National Research University,Department “Automation and control of technology process in production”,Tashkent,UzbekistanKhasan E. Turkmenov«Tashkent institute of irrigation and agricultural mechanization engineers», National Research University,Department “Automation and control of technology process in production”,Tashkent,UzbekistanShakhnoza Ubaydullayeva«Tashkent institute of irrigation and agricultural mechanization engineers», National Research University,Department “Automation and control of technology process in production”,Tashkent,UzbekistanNikola NikolovTechnical University of Varna,Faculty of Computer Science and Automation,Department of Automation,Varna,BulgariaMariela AlexandrovaTechnical University of Varna,Faculty of Computer Science and Automation,Department of Automation,Varna,Bulgaria
2023en
ABI
Аннотация
The article provides a theoretical analysis of the ultrahigh frequency (microwave) method of humidity measurement, discusses the problems of instrumentation of the method in question, and proposes a scheme of an experimental installation. Bulk cotton materials were selected as the objects of research. The electromagnetic wave radiation is analyzed during measurement and the evaluation of electrophysical characteristics requires the study of the functional dependence of the amplitude and phase shift on the mass ratio of humidity, mathematical models for various bulk cotton materials describing the joint effect of humidity, material density on the attenuation and phase shift of the passing wave are obtained.
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