[HTML][HTML] Dielectric properties of coals in the low-terahertz frequency region

W Fan, C Jia, W Hu, C Yang, L Liu, X Zhang, T Chang… - Fuel, 2015 - Elsevier
The dielectric properties of Shanxi anthracite and Shandong bituminous coals in China are
investigated in the low-terahertz (THz), W-band of frequency from 75 GHz to 110 GHz for the …

A broadband variable-temperature test system for complex permittivity measurements of solid and powder materials

Y Zhang, E Li, J Zhang, C Yu, H Zheng… - Review of Scientific …, 2018 - pubs.aip.org
A microwave test system to measure the complex permittivity of solid and powder materials
as a function of temperature has been developed. The system is based on a TM 0n0 multi …

[PDF][PDF] Dust Particles' Permittivity in Microwave Signal Propagation: A Review.

A Musa, BS Paul - J. Commun., 2020 - academia.edu
Microwave propagation in dust storms has become an active research field. Dust particles'
permittivity property is an important component with its applications in microwave signal …

Broadband measurements of dielectric properties of low-loss materials at high temperatures using circular cavity method

E Li, ZP Nie, G Guo, Q Zhang, Z Li, F He - Progress In Electromagnetics …, 2009 - jpier.org
We describe a broadband microwave test system that can measure dielectric properties of
microwave low-loss materials at high temperatures using circular cavity method. The …

Rubber tire dust-rice husk pyramidal microwave absorber

MFB Abd Malek, EM Cheng, O Nadiah… - Progress In …, 2011 - jpier.org
Rubber tire dust-rice husk is an innovation in improving the design of pyramidal microwave
absorbers to be used in radio frequency (RF) anechoic chambers. An RF anechoic chamber …

Permittivity measurement of thin dielectric materials from reflection-only measurements using one-port vector network analyzers

UC Hasar - Progress In Electromagnetics Research, 2009 - jpier.org
We have proposed a simple waveguide method for complex permittivity determination of
dielectric materials which are not completely filling the entire sample holder. The method …

Unique permittivity determination of low-loss dielectric materials from transmission measurements at microwave frequencies

UC Hasar - Progress In Electromagnetics Research, 2010 - jpier.org
A non-resonant microwave method has been proposed for accurate complex permittivity
determination of low-loss materials. The method uses two measurement data of the …

Investigation of the characteristics of barium strontium titanate (BST) dielectric resonator ceramic loaded on array antennas

FH Wee, MFB Abd Malek, S Sreekantan… - Progress In …, 2011 - jpier.org
We investigated a dielectric resonator ceramic microstrip patch antenna. The antenna was
formed using barium strontium titanate (BST), which has a dielectric constant of 15. A new …

An artificial nerve network realization in the measurement of material permittivity

Q Chen, KM Huang, X Yang, M Luo, H Zhu - Progress In Electromagnetics …, 2011 - jpier.org
E® ective complex permittivity measurements of materials are important in microwave
engineering and microwave chemistry. Artificial neural network (ANN) computational …

Retrieval approach for determination of forward and backward wave impedances of bianisotropic metamaterials

UC Hasar, JJ Barroso - Progress In Electromagnetics Research, 2011 - jpier.org
A simple approach is proposed for retrieving the forward and backward wave impedances of
lossless and lossy bianisotropic metamaterials. Compared with other methods in the …