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Abstract <p>As a part of the development of the software and hardware complex for a contactless method for determining the complex permittivity of liquids, a system for automating measurements of the interference nature of the behavior of the reflection coefficients module depending on the thickness of the layer under study has been proposed and implemented. The contactless method means that the antenna-feeder elements do not come into contact with the liquid under study. The presented technical solution is intended for measurements in the Ka-range for dielectrics with weak absorption (no more than 0.3). The frequency dependencies of the reflection coefficients of transformer and vegetable oil in the range of 26–40 GHz are given.</p>

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Automation of the Process of Determining the Complex Permittivity of Liquids with Weak Absorption by the Interference Method

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • E. B. Atutov,
  • E. Yu. Korovin,
  • B. Z. Garmaev,
  • A. V. Bazarov,
  • Yu. B. Bashkuev

摘要

Abstract

As a part of the development of the software and hardware complex for a contactless method for determining the complex permittivity of liquids, a system for automating measurements of the interference nature of the behavior of the reflection coefficients module depending on the thickness of the layer under study has been proposed and implemented. The contactless method means that the antenna-feeder elements do not come into contact with the liquid under study. The presented technical solution is intended for measurements in the Ka-range for dielectrics with weak absorption (no more than 0.3). The frequency dependencies of the reflection coefficients of transformer and vegetable oil in the range of 26–40 GHz are given.