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An Analysis of Open-Ended Coaxial Probe Sensitivity to Heterogeneous Media [PDF]

open access: yesSensors, 2020
Open-ended coaxial probe spectroscopy is commonly used to determine the dielectric permittivity of biological tissues. However, heterogeneities in the probe sensing region can limit measurement precision and reproducibility.
Chris Brace   +2 more
exaly   +4 more sources

Open-Ended Coaxial Probe Technique for Dielectric Measurement of Biological Tissues: Challenges and Common Practices [PDF]

open access: yesDiagnostics, 2018
Electromagnetic (EM) medical technologies are rapidly expanding worldwide for both diagnostics and therapeutics. As these technologies are low-cost and minimally invasive, they have been the focus of significant research efforts in recent years.
Marggie Jones   +2 more
exaly   +4 more sources

A Small and Slim Coaxial Probe for Single Rice Grain Moisture Sensing [PDF]

open access: yesSensors, 2013
A moisture detection of single rice grains using a slim and small open-ended coaxial probe is presented. The coaxial probe is suitable for the nondestructive measurement of moisture values in the rice grains ranging from from 9.5% to 26%.
Kok Yeow You   +2 more
exaly   +4 more sources

Cervical Tissue Hydration Level Monitoring by a Resonant Microwave Coaxial Probe [PDF]

open access: yesSensors, 2022
Cervical tissue hydration level is one of the most important parameters to monitor in the early diagnosis of preterm birth. Electrical-impedance-spectroscopy-based techniques are often used, but they suffer from limited accuracy.
Heungjae Choi   +4 more
doaj   +2 more sources

Thickness estimation of the subcutaneous fat using coaxial probe. [PDF]

open access: yesHealthc Technol Lett, 2016
In this Letter, a non‐invasive method for thickness estimation of the subcutaneous fat layer of abdominal wall is presented by using a coaxial probe. Fat layer has the highest impact on the averaged attenuation parameter of the abdominal wall due to its high thickness and low permittivity.
Ramezani MH, Nadimi ES.
europepmc   +6 more sources

Open-Ended Coaxial Probe: Model Limitations [PDF]

open access: yesIEEE Transactions on Instrumentation and Measurement, 2008
We propose a procedure to determine the validity range of any empirical model of the open-ended coaxial probe transition that is used to measure the permittivity of materials. The procedure is illustrated by an application of the method to a standard coaxial cable probe, a permittivity range of interest in the food industry and, as an empirical model ...
William J. Ellison, Jacques-Marie Moreau
exaly   +3 more sources

Comparison of Metal-Backed Free-Space and Open-Ended Coaxial Probe Techniques for the Dielectric Characterization of Aeronautical Composites [PDF]

open access: yesSensors, 2016
The trend in the last few decades is that current unmanned aerial vehicles are completely made of composite materials rather than metallic, such as carbon-fiber or fiberglass composites.
Patricia López-Rodríguez   +3 more
doaj   +2 more sources

Open-Ended Coaxial Probe for Effective Reconstruction of Biopsy-Excised Tissues’ Dielectric Properties [PDF]

open access: yesSensors
Dielectric characterization is extremely promising in medical contexts because it offers insights into the electromagnetic properties of biological tissues for the diagnosis of tumor diseases.
Eliana Canicattì   +3 more
doaj   +2 more sources

An optimized sliding rail-assisted micrometer system for sensing volume measurement of open-ended coaxial probes in breast cancer dielectric property analysis [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology
ObjectiveThe open-ended coaxial probe (OECP) method has demonstrated promising potential in biological tissue measurements. However, it still faces challenges such as significant measurement errors and poor repeatability.
Shuai Chen   +6 more
doaj   +2 more sources

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