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Complex Relative Permittivity Measurement Techniques [PDF]
Warasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2019 This article presents a review of the techniques for measuring complex relative permittivity and also explains basic properties for understanding the principle of complex relative permittivity measurement.
Nawarat Piladaeng
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Broadband Measurement of Complex Permittivity Using Reflection Method and Coaxial Probes [PDF]
Radioengineering, 2008 This paper describes and evaluates a method for determining complex permittivity, and presents results of permittivity measurement of some substances.
R. Zajicek, L. Oppl, J. Vrba
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A High-Sensitivity Microfluidic Sensor Based on a Substrate Integrated Waveguide Re-Entrant Cavity for Complex Permittivity Measurement of Liquids [PDF]
Sensors, 2018 In this study, a novel non-invasive and contactless microwave sensor using a square substrate integrated waveguide (SIW) re-entrant cavity is proposed for complex permittivity measurement of chemical solutions.
Zhihua Wei +6 more
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Study on the maximum penetration depth of GPR based on soil electromagnetic properties [PDF]
Scientific ReportsPrecise estimation of Ground Penetrating Radar (GPR) maximum penetration depth is essential for underground engineering design and evaluation. This study utilizes a time-domain ultra-wideband (UWB) measurement system and reflectometer to characterize ...
Song Lu +4 more
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New Measurement Technique for Complex Permittivity in Millimeter-Wave Band Using Simple Rectangular Waveguide Adapters [PDF]
Journal of Electromagnetic Engineering and Science, 2022 This research presents a novel methodology for measuring the complex permittivity of a material under test (MUT) in a millimeter-wave (mmWave) band by using two rectangular waveguide adapters. Contrary to the conventional Nicolson-Ross-Weir (NRW) method,
Min-Seok Park +4 more
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Broadband Measurements of Soil Complex Permittivity
Sensors, 2023 Agriculture is a major consumer of freshwater and is often associated with low water productivity. To prevent drought, farmers tend to over-irrigate, putting a strain on the ever-depleting groundwater resources. To improve modern agricultural techniques and conserve water, quick and accurate estimates of soil water content (SWC) should be made, and ...
Justin Stellini +7 more
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Complex Permittivity Characterization of Liquid Samples Based on a Split Ring Resonator (SRR)
Sensors, 2021 A complex permittivity characterization method for liquid samples has been proposed. The measurement is carried out based on a self-designed microwave sensor with a split ring resonator (SRR), the unload resonant frequency of which is 5.05 GHz.
Jialu Ma +5 more
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Acta Biologica Sibirica, 2023 The paper analyzed the complex permittivity of lichens of the genus Cladonia sampled from areas disturbed by fire and from undisturbed plateau palsas in the Nadym-Pur interfluve, Western Siberia.
Tatiana D. Kochetkova +5 more
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Measuring the Complex Permittivities of Plastics in Irregular Shapes [PDF]
Polymers, 2021 This work presents the measurement of the complex permittivities of high density polyethylene (HDPE), linear low density polyethylene (LLDPE), low density polyethylene (LDPE), polypropylene (PP), Nylon, and thermoplastic vulcanizates (TPV) in irregular shapes at the microwave frequency.
Hsien-Wen Chao +2 more
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Sensors, 2023 In this paper, an oblique aperture ridge waveguide operating at 2450 MHz is proposed, and, using the ridge waveguide, a permittivity measurement system is constructed which can measure the permittivity of materials during microwave heating.
Mingyi Gou +4 more
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