周期性电缆不均匀性对传输测量的影响

2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings Pub Date : 2015-05-11 DOI:10.1109/I2MTC.2015.7151286

G. Borges, R. Rodrigues, J.C.W.A. Costa, Adam Santos, A. Fertner

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引用次数: 1

摘要

本文提出了对双绞线铜电缆传输系数测量(S21)中观察到的倾角的可能解释。我们通过计算机模拟表明，周期性电缆不均匀性的行为就像选择性滤波器，禁止电磁波在某些频率上传播。在光学中使用光纤布拉格光栅(FBG)也可以达到类似的效果，并且可以这样分析。仿真结果表明，周期性电缆不均匀性像光纤光栅一样是解释倾角存在的合理原因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of periodic cable nonuniformities on transmission measurements

This paper presents a likely explanation for dips observed in transmission coefficient measurements (S21) for twisted-pair copper cables. We show via computer simulations that periodic cable nonuniformities behave like selective filters, prohibiting electromagnetic wave to propagate at certain frequencies. Similar effect is achieved in optics using fiber Bragg grating (FBG) and may be analyzed as such. The simulation results indicate that periodic cable nonuniformities acting like a FBG is a plausible reasoning to explain the presence of dips.

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2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings

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