ONE-DIMENSIONAL INVERSE PROBLEMS OF ELECTROMAGNETIC PROBING STRATIFIED DIELECTRIC MEDIA [PDF]
The problem of permittivity profile reconstruction from reflection coefficient data for a stratified dielectric medium illuminated with a probing plane electromagnetic wave at a finite set of frequencies is considered to deal with a topical problem in ...
A. V. Brovenko+4 more
doaj +1 more source
Tree Roots Reconstruction Framework for Accurate Positioning in Heterogeneous Soil
Ground-penetrating radar has recently found wide application in the underground imaging of tree roots. However, ignoring the random and complex nature of the heterogeneous soil and assuming the soil's relative permittivity constant throughout the ...
Wenhao Luo+5 more
doaj +1 more source
ANALYTIC MODELS FOR BISTATIC SCATTERING FROM A RANDOMLY ROUGH SURFACE WITH COMPLEX RELATIVE PERMITTIVITY. [PDF]
Karam MA, McDonough RS.
europepmc +1 more source
Permittivity measurement of thermoplastic composites at elevated temperature [PDF]
[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
core +1 more source
Complex permeability and permittivity variation of radar absorbing materials based on MnZn ferrite in microwave frequencies [PDF]
The complex dielectric permittivity (ε) and magnetic permeability (µ) of Radar Absorbing Materials (RAM) based on magnetic particles (MnZn ferrite particles) embedded in a dielectric matrix (silicon rubber) have been studied in the frequency ...
Adriana Medeiros Gama+1 more
doaj +3 more sources
Broadband Complex Permittivity and Electric Modulus Spectra for Dielectric Materials Research
Measurement of the complex permittivity of a substance in a wide frequency range, for example, from 10 mHz to 100 kHz, provides useful information on the dielectric properties of the substance.
Y. Ohki
semanticscholar +1 more source
The permittivity and conductivity of chemical vapor deposited monolayer graphene are investigated up to 40 GHz. The characterization method is based on a coplanar waveguide transmission line structure that is fabricated on a multilayer substrate of Si ...
Yunqiu Wu+6 more
doaj +1 more source
mm-Wave Complex Permittivity Extraction of LTCC Substrate Under the Influence of Surface Roughness
As many emerging technologies require the use of high-speed signals, the understanding of dielectric properties of materials used in manufacturing printed circuit boards (PCBs) is an essential aspect for accurate high-speed circuit designs, especially at
Ziad Hatab+3 more
semanticscholar +1 more source
Microwave dielectric properties of horticultural peat products [PDF]
The microwave dielectric properties of horticultural peat and compost peat were measured with a HP85107C network analyser in conjunction with a HP85070B open-ended coaxial dielectric probe for the frequency range 0.5–20 GHz.
G. Ayalew, N.M. Holden, S.M. Ward
doaj
When using remote radiophysical methods in problems of monitoring the environment, the central place belongs to solving problems of determining its electrophysical characteristics, i.e. dielectric permittivity e, conductivity c (complex permittivity ek).
L. Р. Ligthart+3 more
doaj +1 more source