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Method for material characterization in a non-anechoic environment

Abstract : This paper presents a characterization method for extracting the reflection coefficient of materials and the real part of their permittivity. The characterization is performed in a real environment, as opposed to the classical measurement methods that require an anechoic chamber. In order to reduce the effects of the multipath propagation, a free space bistatic measurement was performed at different distances Material-Antennas in far field. By using a Teflon sample and a commercial absorbing material sample, measurements have been performed in order to validate the characterization technique.
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Submitted on : Monday, June 6, 2016 - 12:00:37 PM
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Laura Pometcu, Ala Sharaiha, Ratiba Benzerga, Razvan Tamas, Philippe Pouliguen. Method for material characterization in a non-anechoic environment. Applied Physics Letters, American Institute of Physics, 2016, 108, 108 (16), pp.161604. ⟨10.1063/1.4947100⟩. ⟨hal-01324486⟩

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