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Low-Cost Permittivity Determination of Liquid Materials Using Transmission-Only Measurements | IEEE Conference Publication | IEEE Xplore

Low-Cost Permittivity Determination of Liquid Materials Using Transmission-Only Measurements


Abstract:

A low-cost microwave non-resonant measurement setup is proposed for permittivity (\varepsilon_{r}) determination of liquid samples with substantial lengths using transm...Show More

Abstract:

A low-cost microwave non-resonant measurement setup is proposed for permittivity (\varepsilon_{r}) determination of liquid samples with substantial lengths using transmission-only amplitude measurements. The proposed method does not require any dispersion model or applies machine-learning method which requires a training process for each new material (time-consuming and complex). A graphical method is applied to monitor the possibility of extracting \varepsilon_{r}. It is shown that it is possible to extract \varepsilon_{r} using samples with different lengths. A low-cost measurement setup, implemented by an SDR unit, with coaxial cables, and waveguide sections, was constructed to validate our method. Post-processing techniques were applied to remove redundant ripples in measurement due to a simple normalization procedure.
Date of Conference: 30 October 2023 - 01 November 2023
Date Added to IEEE Xplore: 16 February 2024
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Conference Location: Sousse, Tunisia

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