Abstract
This W presents a new technique of Dielectric Characterization of composites building materials. This technique is based on the modeling of an open coaxial cell with a mathematical formulation that links the admittances of the filled and empty cell to the complex permittivity e* of materials characterization. We applied this technique to the dielectric characterization of some building materials powder in the frequency band (100MHz-4GHz). We also characterize some composite materials (sand- brick, cement- sand, and cement-brick) depending on the volume fraction for Mobile Phone Frequencies. We made a comparison with the laws of mixtures to identify the most appropriate law to render the dielectric behavior of these materials.
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