Results 11 to 20 of about 99,897 (293)
Dielectric Measurement of Agricultural Grain Moisture—Theory and Applications
Sensors, 2022 Moisture content is a critical variable for the harvesting, processing, storing and marketing of cereal grains, oilseeds and legumes. Efficient and accurate determination of grain moisture content even with advanced nondestructive techniques, remains a ...
Scott B. Jones, Wenyi Sheng, Dani Or
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Scientific Reports, 2022 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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Remote Sensing, 2021 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
Sensors, 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.
Christopher L. Brace, Sevde Etoz
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The Role of Probe Attenuation in the Time-Domain Reflectometry Characterization of Dielectrics [PDF]
, 2010 The influence of the measurement setup on the estimation of dielectric permittivity spectra from time-domain reflectometry (TDR) responses is investigated.
Ferraris, S. +2 more
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Permittivity measurement of thermoplastic composites at elevated temperature [PDF]
, 2001 [Abstract]: The material properties of greatest importance in microwave processing of a dielectric are the complex relative permittivity Epsilon = Epsilon' - jEpsilon'', and the loss tangent, tan Delta = Epsilon'/Epsilon''.
Ball, James A. R. +3 more
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Sensors, 2020 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)
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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Nanodielectric mapping of a model polystyrene-poly(vinyl acetate) blend by electrostatic force microscopy [PDF]
, 2010 We present a simple method to quantitatively image the dielectric permittivity of soft materials at nanoscale using electrostatic force microscopy (EFM) by means of the double pass method. The EFM experiments are based on the measurement of the frequency
Alegría, Angel +6 more
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An Open-Resonator Sensor for Measuring the Dielectric Properties of Antarctic Ice
Sensors, 2019 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
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