Results 241 to 250 of about 1,985,820 (299)

W-Type Hexaferrite Film-Enabled Magnetic Resonance Engineering for Tailored Upper Stop-Band Suppression in Millimeter-Wave Bandpass Filters. [PDF]

Micromachines (Basel)
Koo H, Lee H, Kim K, Park E, Kim Y, Hong SH, Lee SB, Lim S.   +7 more
europepmc   +1 more source

Multiphysical Characterization of a Tissue-Mimicking Phantom: Composition, Thermal Behavior, and Broadband Electromagnetic Properties from Visible to Terahertz and Microwave Frequencies. [PDF]

Materials (Basel)
Reyes-Vera E, Furnieles C, Zapata Hernandez C, Montoya-Cardona J, Ortiz-Santana P, Botero-Valencia J, Araque J.   +6 more
europepmc   +1 more source

Mechanism and Modeling of Moisture-Dependent Dielectric Properties of Cement-Based Composites for Enhanced Ground Penetrating Radar Applications. [PDF]

Materials (Basel)
Wang T, Zhang B, Gao Y, Wang X, Wang D.
europepmc   +1 more source

Permittivity measurements in time domain

, 1972
openaire   +1 more source

A Dielectric Loaded Resonator for the Measurement of the Complex Permittivity of Dielectric Substrates [PDF]

IEEE Transactions on Instrumentation and Measurement, 2023
A new configuration of dielectric loaded resonator, particularly versatile for the complex permittivity measurement of substrates for microwave circuits, even in presence of back metal plates, is here shown.
Enrico Silva, Erika Pittella, Kostiantyn Torokhtii   +2 more
exaly   +3 more sources

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Measurement of the permittivity of dielectrics

Measurement Techniques, 1968
1. Our experimental investigations have shown that the accuracy in measuring the polarization parameters and determining the e value depends mainly on the error in calibrating the polarizing and the analyzing devices, which, in our case, did not exceed 5–7%. 2.
S. I. Pozdnyak, G. N. Anikeenko
openaire   +1 more source

Dimensional analysis of a permittivity measurement probe

IEEE Transactions on Instrumentation and Measurement, 2002
Open-ended coaxial-line probes provide a convenient means of determining the dielectric properties of many materials over a relatively wide frequency range. Because of this, much attention has been given to understanding the interaction of the probe and the material which it is inserted into.
Philip G. Jr. Bartley, Stuart O. Nelson, Ronald W. McClendon   +2 more
openaire   +1 more source

Microwave permittivity measurements of two conifers

IEEE Transactions on Geoscience and Remote Sensing, 1998
Complex permittivity spatial distributions of two conifers, a 5.0-m high Caucasian fir (Abies normanniana) and a 1.9-m high spruce (Picea omorika), have been measured in the frequency range 1-10 GHz. Unlike earlier studies, particular attention was paid to the anisotropy of the dielectric properties.
Ann Franchois, Yolanda Pineiro, Roger H. Lang   +2 more
openaire   +1 more source

Biomass measurement by inductive permittivity

Biotechnology and Bioengineering, 1997
An electrodeless, inductive permittivity probe is shown to reliably indicate fermentation biomass. By designing the probe based on electromagnetic induction, the electrode polarization artifact-common to electrode-based permittivity measurements of conductive solutions-is eliminated. The measurement of viable biomass concentration (X(V)) is precise and
openaire   +2 more sources

Permittivity Measurements of Macroscopic Particles

1988 Conference on Precision Electromagnetic Measurements, 1988
Non-uniform electric fields are used to determine the dielectric properties of macroscopic particles (um). Experimental work on permittivity measurements of microfossils have led to new applications in paleontology.
null Goossens, null Van Biesen
openaire   +3 more sources