Results 211 to 220 of about 12,598 (258)

Complex relative permittivity analysis for monitoring watermelon

open access: closed2017 International Symposium on Antennas and Propagation (ISAP), 2017
This paper proposes a study of complex relative permittivity (∊ r =∊ r ′-j∊ r ″) for monitoring watermelon. The complex relative permittivity of peel and pulp are analyzed as variation of maturity stages and used for determining mature fruit of watermelon from the measured reflection coefficient.
P. Yoiyod
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Characterization of Relative Complex Permittivity and Permeability for Magneto-Dielectric Sheets

open access: closedIEEE Transactions on Electromagnetic Compatibility, 2017
A new method is developed to extract relative complex permittivity and permeability of magneto-dielectric sheets. Two test fixtures are used to separately extract electric and magnetic properties of the material under test (MUT). The unknown parameters corresponding to dispersion models of the complex permittivity and permeability of the magneto ...
Ahmad Hosseinbeig   +2 more
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Complex Effective Relative Permittivity of Soil Samples from the Taunus Region (Germany)

open access: closedJournal of Earth Science, 2010
The most important parameter affecting ground-penetrating radar (GPR) measurements is the complex effective relative permittivity ɛr,eff* because it controls the propagation velocity and the reflection of GPR pulses. Knowing ɛr,eff* of soils passed through by electromagnetic waves increases accuracy in soil thickness and interface identification ...
Katja   +7 more
  +4 more sources

Complex Relative Permittivity Measurement of Selected 3D-Printed Materials up to 10 GHz

open access: closed2019 Conference on Microwave Techniques (COMITE), 2019
In this contribution, the complex relative permittivity of selected materials for additive manufacturing 3D print technology is measured. The included materials are acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), polylactic acid (PLA), XT co-polyester and special material with admixture of cork.
Jaroslav Zechmeister, Jaroslav Láčík
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Approximate complex electrical potential distribution in the monodomain model with unequal conductivity and relative permittivity anisotropy ratios

open access: closedPhysiological Measurement, 2019
Electrical conductivity and relative permittivity are properties that indicate muscle health and they have different values parallel and perpendicular to the direction of the myofiber, a concept known as anisotropy. When the intrinsic electrical properties of muscle have ratios of anisotropy that are different then there is no analytical solution that ...
Hyeuknam Kwon   +4 more
openalex   +3 more sources

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