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            <idno type="halRefHtml">&lt;i&gt;Electromagnetic Compatibility (EMC), 2015 IEEE International Symposium on&lt;/i&gt;, Aug 2015, Dresden, Germany. &lt;a target="_blank" href="https://dx.doi.org/10.1109/ISEMC.2015.7256344"&gt;&amp;#x27E8;10.1109/ISEMC.2015.7256344&amp;#x27E9;&lt;/a&gt;</idno>
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              <p>This paper deals with the estimation of the composite Q-factor in a reverberation chamber using one or two antennas (possibly a set of them). Most of Q-factor estimations provided in literature are based on the estimation of the ensemble average of the electric power captured at the terminal of a receiving antenna, the EM field being produced with another one. We first highlight that using two antennas and a vector network analyzer, three different estimations are possible and they are found experimentally to be almost equivalent. Second, removing one antenna the Q-factor may change mainly in the frequency range for which the Q-coefficient of an antenna is no more negligible. Furthermore a post-processing of these two types of measurements allows to extract an estimation of this Q-coefficient alone. This estimation is quite favorably compared to its theoretical estimation based on ideal random field hypothesis.</p>
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