| 外场激励时通信电缆的瞬态响应分析 |
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| 引用本文： | 刘素玲,李霞,沈远茂,高攸纲. 外场激励时通信电缆的瞬态响应分析[J]. 河北大学学报(自然科学版), 2008, 28(1): 96-100. DOI: 10.3969/j.issn.1000-1565.2008.01.023 |
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| 作者姓名： | 刘素玲 李霞 沈远茂 高攸纲 |
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| 作者单位： | 1.河北大学,物理科学与技术学院,河北,保定,071002;北京邮电大学,电信工程学院,北京,100876； 2.河北大学,物理科学与技术学院,河北,保定,071002； 3.北京邮电大学,电信工程学院,北京,100876 |
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| 基金项目： | 国家自然科学基金 , 北京邮电大学校科研和教改项目 |
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| 摘 要： | 多导体传输线理论分析外场与电缆间的耦合,时域有限差分法(FDTD)模拟通信电缆对外场的时域响应.根据模拟得到的电缆上电压电流的分布,对具有多根导线电缆采用单导线模型做近似处理,并计算了相应的电参数.结果表明,单导线模型处理所得结果和其他方法的结果符合得很好.该结论对实际应用有参考价值.
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| 关 键 词： | 多导体传输线 时域有限差分法 外场 电缆 感应电压 |
| 文章编号： | 1000-1565(2008)01-0096-05 |
| 修稿时间： | 2007-04-18 |
Transient Analysis of Telecommunication Cable Excited by External Field |
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| LIU Su-ling,LI Xia,SHEN Yuan-mao,GAO You-gang. Transient Analysis of Telecommunication Cable Excited by External Field[J]. Journal of Hebei University (Natural Science Edition), 2008, 28(1): 96-100. DOI: 10.3969/j.issn.1000-1565.2008.01.023 |
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| Authors: | LIU Su-ling LI Xia SHEN Yuan-mao GAO You-gang |
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| Abstract: | The multi-conductor transmission line(MTL) theory was used in the analysis of the coupling between telecommunication cable and external field,the finite-difference time domain(FDTD) method was used to simulate the transient response.According to the results of induced voltages and currents,an approximate single-wire line model replaced the multi-conductor transmission line model and the corresponding electric parameters were calculated in term of the singlewire line model.The result indicates that agreement had been achieved with other method.The effects on induced voltages with simplified single-wire line caused by cable length,electric parameters of the ground and terminated impedance are examined and the results are discussed. |
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| Keywords: | multi-conductor transmission line finite-difference time domain external field cable induced voltage |
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