Abstract
This article describes a method for measuring the dielectric constant and magnetic permeability of alumina powder (corundum) in the frequency range of 8-12 GHz. The results of studies of permeability and permittivity using a segment of a coaxial transmission line depending on the size of corundum particles are presented.
Highlights
A used for measuring at frequencies above the range, higher-order waves propagate in the waveguide, which will need to be taken into account when measuring
Electrodynamic parameters of a powdered material can be measured in a wider frequency range [13-18] using the long line method [19]
E The main difficulties in measuring the electrodynamic parameters of powder materials are related to their fractional composition
Summary
A used for measuring at frequencies above the range, higher-order waves propagate in the waveguide, which will need to be taken into account when measuring. Electrodynamic characteristics of a new material, such as the loss tangent, permittivity and permeability, are studied using coaxial lines and waveguides [1- Electrodynamic parameters of a powdered material can be measured in a wider frequency range [13-18] using the long line method [19].
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