Tree Roots Reconstruction Framework for Accurate Positioning in Heterogeneous Soil
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 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
Broadband Complex Permittivity and Electric Modulus Spectra for Dielectric Materials Research
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING, 2022 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
A New Planar Microwave Sensor for Building Materials Complex Permittivity Characterization
Sensors, 2020 A new microwave sensor is proposed to characterize the complex relative permittivity of building non-magnetic materials and used in the characterization of three concrete samples.
João G. D. Oliveira +4 more
doaj +1 more source
Measured relative complex permittivities for multiple series of ionic liquids
Journal of Molecular Liquids, 2019 Abstract Presented in this paper are experimentally measured relative complex permittivities as a function of frequency for a representative range of ionic liquids, comprising 64 imidazolium, choline, phosphonium, ammonium, pyrrolidinium, pyridinium and piperidinium cations with a variety of anions. The measurement was conducted using a coaxial probe
Elliot L. Bennett +3 more
openaire +1 more source
The Role of Probe Attenuation in the Time-Domain Reflectometry Characterization of Dielectrics [PDF]
, 2010 The influence of the measurement setup on the estimation of dielectric permittivity spectra from time-domain reflectometry (TDR) responses is investigated.
Ferraris, S. +6 more
core +1 more source
Development of the epoxy composite complex permittivity and its application in wind turbine blades [PDF]
, 2010 PhDOffshore wind farm structures may have the potential to affect marine navigation and communication systems by reflecting radar signals. With ever increasing size of wind turbines it is necessary to better understand the influence of radar signals on
Hu, Dawei
core +1 more source
AIP Advances, 2016 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
Microwave dielectric properties of horticultural peat products [PDF]
Mires and Peat, 2007 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
An investigation of minerals using microwave measurement of complex permittivity [PDF]
, 1990 Includes bibliography.Microwave measurement techniques have found many industrial and commercial applications. This measurement potential of microwaves, together with observations that different minerals show different microwave heating characteristics ...
Pendock, Graeme
core +1 more source
A flow-through microfluidic relative permittivity sensor [PDF]
, 2020 In this paper, we present the design, simulation, fabrication and characterization of a microfluidic relative permittivity sensor in which the fluid flows through an interdigitated electrode structure.
Wiegerink, Remco +7 more
core +2 more sources