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电磁兼容领域中常以平板型材料屏蔽或吸收电磁能量。在１００ｋＨｚ～１．５ＧＨｚ如何对上述材料性能测试是受到广泛关注的一件本。我们研制的带法兰的改进型对接同轴线可以方便地对材料的远场性能作出评价，而且数据复现好。本文最后给出材料屏蔽与吸收性能的测试实例。
In the field of electromagnetic compatibility, flat materials are usually used to shield or absorb electromagnetic energy. At 100kHz ~ 1.5GHz how to test the performance of these materials is a widespread concern of this one. The improved butt-jointed coaxial with flange we developed can easily evaluate the far-field performance of the material and the data reproduce well. At the end of this paper, we give some examples of the shielding and absorbing properties of materials.