complex relative dielectric permittivity
Effective complex permittivity of a weakly ionized vegetation litter fire at microwave frequencies
... measured complex relative dielectric permittivity for the combustion ...of complex relative ...of complex relative dielectric permittivity measured by ...
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Applicability of effective medium theory to wood density measurements using terahertz time-domain spectroscopy
... wood dielectric anisotropy was examined with the assumption that the effective medium theory is applicable to the relative permittivity of oven-dry wood obtained by terahertz time-domain spectroscopy ...
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Numerical Analysis of the Influence of Stir on Water During Microwave Heating
... and relative complex ...of relative complex permittivity which accounts for dielectric losses or the dynamic viscosity increases, the temperature in the water rises very quickly, ...
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Electromagnetic waves scattering from a sphere of complex conjugate medium
... of dielectric sphere is almost zero as compared to the CCM ...of complex relative permittivity and permeability, we get the same results like in ...
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Microwave processing and permittivity measurement of thermoplastic composites at elevated temperature
... the complex permittivity, the more the incident energy will be reflected by a dielectric but the energy that enters the material will penetrate further than in a dielectric with the same ε″ ...
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Size Effects and Reliability of (Ba,Sr)TiO3 Thin Films
... the relative volume fraction of the surface component become important, and a relationship between size and thermodynamic properties such as permittivity, for example, become ...
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Characterisation of the dielectric properties of rubber latex from 0.5 to 33GHz
... the dielectric properties of rubber latex and shows a good fit to measured ...extensive complex permittivity measurements and modelling results presented in this paper give a better understanding of ...
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Microwave Characterization of Activated Carbons
... the complex permittivity are shown in Figure 7 and Figure 8, which illustrate the average values of the measurements of com- plex permittivity for all ...the dielectric constant and loss ...
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Electromagnetic Waves Attenuation in the Sandstones with Grains of Different Size at Imbibition and Drying
... the complex dielectric permittivity (CDP) of powders of quartz granules with different sizes saturated with water and salt solution of weak concentration are given in the frequency band from 20 kHz to ...
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Correlation of Physical and Electrical Properties of Black Soil
... The regression equations and regression coefficients are as shown in the above table. The obtained complex dielectric permittivity value were correlated with the physical properties of the ...
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Circularly Polarized Cross-Slot-Coupled Stacked Dielectric Resonator Antenna for Wireless Applications
... constant values. Hence, stacking alignment issue does not impose a problem. Also, antenna’s impedance and axial ratio bandwidth values are significantly higher than the results presented in [1]. In other words, with the ...
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EFFECTS OF GAMMA IRRADIATION ON ELECTRICAL PROPERTEIS OF POLYVINYL CHORIDE (PVC) SAMPLESAbdelnabi Ali Elamin*1, Mohammad Hbeeb Ahmad Elkanzi2, Elfatih Ahmed Hassan3, Bashir Elhaj Ahamed4 and Ali Sulaiman Mohammad5
... in relative permittivity and increase in relative dielectric constant for all PE and PVC samples, due to the permittivity inversely proportional to dielectric constant which ...
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A PIN-Loaded Microstrip Patch Antenna with the Ability to Suppress Surface Wave Excitation
... As a numerical example, a circular patch antenna of radius a with pin position r o = 0 . 75 a and pin radius b = 0 . 03 a is considered in this section. It is worth to mention here that this value of radial position is ...
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An investigation into the railway ballast dielectric properties using different GPR antennas and frequency systems
... processed values of dielectrics, computed using the TDSP technique, and the relative dielectric permittivity 378. value of 3.64 calculated by the VMF theoretical method[r] ...
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In situ field measurements of the temporal evolution of low-frequency sea-ice dielectric properties in relation to temperature, salinity, and microstructure
... the complex conductivity – corre- sponding to the measured complex permittivity – as a func- tion of frequency suggests that this may indeed be the ...the complex conductivity at depths of ...
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Effect of pore conformation on dielectric anisotropy of oven-dry wood evaluated using terahertz time-domain spectroscopy and eigenvalue problems for two-dimensional photonic crystals
... The method of solving the eigenvalue problem for photonic crystals has been studied primarily to find the photonic band gap [34], which is the frequency range where electromagnetic waves are extraordinarily absorbed by ...
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An Elliptical Ring FSS Antenna excited with Microstrip Feed for Satellite Application
... A novel light weight FSS antenna is designed and discussed in this paper.FR4 epoxy is used as the substrate with relative permittivity 4.4 and dielectric loss tangent 0.02.The dimensions of the ...
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Measurement of Nonplanar Dielectric Samples Using an Open Resonator
... Chambers, “Measurement of the complex permittivity of curved dielectric radome specimens using an open resonator,” in Proc.. 16th European Microwave Conf., Dublin, Ireland, Sept.[r] ...
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Quantum Properties of Dielectric Losses Spectra in Lamellar Crystals at Extra-low Temperatures
... of complex dielectric permittivity allows exact defining of proton tunneling influence on frequency and temperature spectra of tangent of dielectric losses angle in crystallohydrates and ...
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Dielectric properties of papaya seeds from 75 kHz to 5 MHz
... in permittivity and the loss factor, as a result of changes in moisture, are generally considered an indica- tion of changes in the binding forces that exist between a monolayer of water molecules bound to the ...
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