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A new dual-coaxial-TEM cell

机译:新型双同轴TEM单元

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摘要

Previously, different configurations of TEM cells, chambers and transmission-line holders were used to determine the intrinsic shielding effectiveness (SE) of materials e.g. conductive plastics. In this contribution, a new dual-coaxial-TEM Cell is presented which allows to measure the SE of materials, determine the influence of apertures and test analytical and numerical computation methods. The mechanical and electrical structure is described and the calculation of the electromagnetic coupling is verified by the results of measurements. In addition to the worst-case examination of structures (the electric field is perpendicular to the surface of the test-sample), the dual-coaxial-TEM Cell provides a wide frequency range and high dynamic.
机译:以前,TEM单元,腔室和传输线支架的不同配置用于确定材料的固有屏蔽效率(SE),例如导电塑料。在这项贡献中,提出了一种新的双同轴TEM单元,该单元可以测量材料的SE,确定孔的影响以及测试分析和数值计算方法。描述了机械和电气结构,并通过测量结果验证了电磁耦合的计算。除了最坏的结构检查(电场垂直于测试样品的表面)外,双同轴TEM单元还提供了宽频率范围和高动态性能。

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