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Contributions expérimentales originales en chambres réverbérantes à brassage de modes et en cavités surdimensionnées

Ayoub Soltane 1
1 XLIM-SRF - Systèmes RF
XLIM - XLIM : SRF
Abstract : The reverberation chamber (RC) is an oversized closed metal cavity, equipped with a mode-stirrer. The mode stirring makes the electromagnetic field homogeneous and isotropic inside the RC (in its useful volume). This thesis illustrates firstly a new method for evaluating the performance of a mode-stirrer (via the Doppler spectrum). Then, it presents a new method for measuring the radar cross section (RCS) of a canonical object using the time-gating technique. Finally, it presents a new method for measuring the antenna radiation pattern in an oversized cavity via the time-gating technique.
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Ayoub Soltane. Contributions expérimentales originales en chambres réverbérantes à brassage de modes et en cavités surdimensionnées. Traitement du signal et de l'image [eess.SP]. Université de Limoges, 2018. Français. ⟨NNT : 2018LIMO0092⟩. ⟨tel-01993055⟩

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