Results 11 to 20 of about 70,126 (153)

Extracting the Cole-Cole impedance model parameters without direct impedance measurement

open access: yesElectronics Letters, 2010
A filter-based technique to extract the four parameters that characterise a single-dispersion Cole-Cole impedance model without direct measurement of the impedance real and imaginary parts is reported. Experimental results in the range 100 Hz-5 MHz using apples, apricots and kiwi fruits are given and results are compared with numerical simulations of ...
A.S. Elwakil, B. Maundy
openaire   +3 more sources

Cole-impedance parameters representing biceps tissue bioimpedance in healthy adults and their alterations following eccentric exercise

open access: yesJournal of Advanced Research, 2020
The purpose of this study is to identify if participation in an eccentric exercise protocol altered the Cole-impedance model parameters that represent localized bicep tissue bioimpedance.
Bo Fu, Todd J. Freeborn
doaj   +3 more sources

Cole–Cole, linear and multivariate modeling of capacitance data for on-line monitoring of biomass [PDF]

open access: yesBioprocess and Biosystems Engineering, 2008
This work evaluates three techniques of calibrating capacitance (dielectric) spectrometers used for on-line monitoring of biomass: modeling of cell properties using the theoretical Cole-Cole equation, linear regression of dual-frequency capacitance measurements on biomass concentration, and multivariate (PLS) modeling of scanning dielectric spectra ...
Dabros, Michal   +6 more
openaire   +5 more sources

Evaluation of SAR and Temperature Rise in Human Hand Due to Contact Current From 100 kHz to 100 MHz

open access: yesIEEE Access, 2020
International guidelines/standards for the protection of humans from radiofrequency exposure have set a limit by assuming the lowest threshold for a classical heating effect, among other effects.
Taiki Murakawa   +9 more
doaj   +1 more source

Development of a Theoretical Microwave Model to Predict the Dielectric Properties of Articular Cartilage Tissues

open access: yesIEEE Access, 2021
Recently, a growing research on the electromagnetic properties of biological tissues has been observed, particularly at microwave frequencies. The frequency variation of the dielectric properties of tissues at microwave frequencies may be described by ...
Tarek M. Said   +2 more
doaj   +1 more source

Computation of Analytical Derivatives for Airborne TEM Inversion Using a Cole–Cole Parameterization Based on the Current Waveform of the Transmitter

open access: yesSensors, 2022
Airborne transient electromagnetic (ATEM) technology is a technique often used in mineral exploration and geological mapping. Due to inductive polarization (IP) phenomena, the ATEM response curve often shows a negative response or declines rapidly to the
Da Lei   +4 more
doaj   +1 more source

On the role of the J-E constitutive relationship in applied geoelectromagnetism

open access: yesAnnals of Geophysics, 2003
In current applications of the Induced Polarization (IP) method, the Debye and Cole-Cole models are used to study relaxation and dispersion properties of rocks, though it is believed that this type of modelisation is confused and vague, because
D. Patella
doaj   +1 more source

Broadband Dielectric Properties and Temperature Effects of Silicone Gel for IGBT Device Encapsulation

open access: yesZhongguo dianli, 2020
Silicone gel materials are used as packaging material for IGBT devices. Under the operating conditions, the devices are subjected to a repetitive on-off voltage which corresponds to the wide spectrum, and the device loss will cause temperature rise.
Yuan MAO   +4 more
doaj   +1 more source

Determination of a Dimensionless Fluctuation Coefficient Using Electrochemical Impedance Spectroscopy

open access: yesInternational Journal of Electrochemical Science, 2019
Using the Randles circuit model, we determined that, for the impedance to fall on a straight line in a Cole-Cole plot, a dimensionless fluctuation coefficient that represents the quantity of the fluctuation in ion concentration near an electrode must be ...
M. Saitou
doaj   +1 more source

Time-domain solution of Cole-Cole model with induced polarization method

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
Abstract The spectral parameters of the Cole-Cole model can be used to distinguish the IP anomalies of different geological bodies. However, the frequency domain IP requires a lot of observation data and its efficiency in field work is low. In view of this reality which is very common to use the data of the time-domain IP.
Ruize Liu, Qingxin Meng
openaire   +1 more source

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