ArticleSensors (Basel, Switzerland)2023
Design of a Microwave Heating and Permittivity Measurement System Based on Oblique Aperture Ridge Waveguide.
Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Microwave Sensors for Dielectric Characterization: Planar Architectures, Extraction Methods, and Emerging Applications.Sensors (Basel, Switzerland) · 2026Review
- A High-Temperature and Wide-Permittivity Range Measurement System Based on Ridge Waveguide.Sensors (Basel, Switzerland) · 2025Article
- Microwave Sensors and Their Applications in Permittivity Measurement.Sensors (Basel, Switzerland) · 2024Review
- Ultrasensitive miniaturized planar microwave sensor for characterization of water-alcohol mixtures.Scientific reports · 2023Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
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. The system calculates the amplitudes of the scattering parameters by using the forward, reflected and transmitted powers of the power meters, and it reconstructs the permittivity of the material by combining the scattering parameters with an artificial neural network. The system is used to measure the complex permittivity of mixed solutions of methanol and ethanol with different ratios at room temperature, and the permittivity of methanol and ethanol with increasing temperature, from room temperature to 50 °C. The measured results are in good agreement with the reference data. The system allows simultaneous measurement of the permittivity with microwave heating and provides real-time, rapid changes in the permittivity during heating, avoiding thermal runaway and providing a reference for applications of microwave energy in the chemical industry.
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Registered trials
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