Abstract

Reverberation chambers are widely used in electromag- netic compatibility test facilities because they provide a large working volume and are cheaper than other types of test facilities. In addition, they provide a statistically uniform fleld and generate a high maxi- mum electric fleld within a relatively large volume. The volume of the cavity, the structure of the stirrer, and high tested frequency must be used in the reverberation chamber appropriately. Changing a volume of cavity dimensions and test frequency can be di-cult in the rever- beration chamber because they were determined already in the design process. In these cases, the stirrer should be changed. We investigated of the efiects of various stirrer angles and heights on a reverberation chamber. The optimization of the stirrer with respect to various stirrer parameters was investigated; these parameters are related to fleld uni- formity, the quality factor, stirred e-ciency, and electric fleld polarity. Our results suggest that a reverberation chamber can be successfully operated if careful decisions are made regarding the stirrer design.

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