Results 11 to 20 of about 1,985,820 (299)
Application of minimally invasive methods to enable the measurement of tissue permittivity in the neuromuscular clinic remain elusive. This paper provides a theoretical and modeling study on the measurement of the permittivity of two-dimensional ...
Hyeuknam Kwon +4 more
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Estimating the permittivity of heterogeneous mixtures based on the permittivity of their components is of high importance with many applications in ground penetrating radar (GPR) and in electrodynamics-based sensing in general.
Hossain Zadhoush +2 more
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An Analysis of Open-Ended Coaxial Probe Sensitivity to Heterogeneous Media
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.
Christopher L. Brace, Sevde Etoz
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An automated PC based free-space system for determining the permittivity of high-loss materials is proposed. The main feature of the system is to measure only the amplitudes of transmission and reflection coefficients using free-space method and ...
Hasar, U. C. +5 more
core +3 more sources
Medical devices making use of radio frequency (RF) and microwave (MW) fields have been studied as alternatives to existing diagnostic and therapeutic modalities since they offer several advantages.
Julian Bonello +4 more
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Complex Permittivity Characterization of Liquid Samples Based on a Split Ring Resonator (SRR)
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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An Open-Resonator Sensor for Measuring the Dielectric Properties of Antarctic Ice
In this paper, the theory behind the design of a microwave sensor for the accurate measurement of firn complex permittivity is presented. This class of microwave sensors, based on the open-coaxial re-entrant cavity method, is specifically designed to ...
Roberto Olmi +3 more
doaj +1 more source
The Role of Probe Attenuation in the Time-Domain Reflectometry Characterization of Dielectrics [PDF]
The influence of the measurement setup on the estimation of dielectric permittivity spectra from time-domain reflectometry (TDR) responses is investigated.
Ferraris, S. +6 more
core +1 more source
The Microwave properties of tissue and other lossy dielectrics [PDF]
This thesis describes work on the theoretical modelling and experimental measurement of the complex permittivity of dielectrics. The main focus of research has been into the characterisation of permittivity of planar and layered samples within the ...
Alabaster, Clive M.
core +2 more sources
Electromagnetic Technique for Hydrocarbon and Sand Transport Monitoring: Proof of Concept
Electromagnetic metering offers significant promise in the measurement of low-conductivity medium like in multiphase flow. Such measurements rely on the measurement of conductivity contrasts formed by two medium of substances, one substance being ...
Yessica Arellano, Andy Hunt, Lu Ma
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