The Limit of the Total Scattering Cross Section of Electrically Large Stirrers in a Reverberation Chamber

Qian Xu, Yi Huang, Lei Xing, Zhihao Tian, Chaoyun Song, Manoj Stanley

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The total scattering cross section (TSCS) has been proven to be an effective quantity to characterize the performance of stirrers in a reverberation chamber (RC). It is shown in this letter that the maximum TSCS is a quarter of the stirring surface area, and it is equal to the absorption cross section (ACS) of the same area with perfect radio absorbers. The mathematical proof is presented and measurements are performed to validate this limit. It is also shown that the TSCS and ACS are statistical dual quantities; related dual quantities are also given. The TSCS can be used to characterize how well a stirrer is designed or how close an RC is to a perfect RC.
Original languageEnglish
Pages (from-to)623-626
Number of pages4
JournalIEEE Transactions on Electromagnetic Compatibility
Volume58
Issue number2
DOIs
Publication statusPublished - Apr 2016

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