Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method

doi:10.19682/j.cnki.1005-8885.2018.0024

中国邮电高校学报(英文) ›› 2018, Vol. 25 ›› Issue (5): 93-100.doi: 10.19682/j.cnki.1005-8885.2018.0024

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Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method

杨莉,逯贵祯

中国传媒大学

收稿日期:2018-03-27 修回日期:2018-08-15 出版日期:2018-10-18 发布日期:2018-10-18
通讯作者: 杨莉 E-mail:onion@cuc.edu.cn

Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method

Li YANGguizhen Lu²

Received:2018-03-27 Revised:2018-08-15 Online:2018-10-18 Published:2018-10-18
Contact: Li YANG E-mail:onion@cuc.edu.cn

摘要/Abstract

摘要： The distributed parameters of the transmission lines have the significant impact to the signal propagation. In the conventional method of the distributed parameter extraction, the discontinuity of inverse trigonometric or hyperbolic can arise the problem about phase ambiguity which causes significant errors for transmission models. A difference iteration method (DIM) is proposed for extracting distributed parameters of high frequency transmission line structure in order to overcome the phase ambiguity in the conventional method. The formulations of the proposed method are first derived for two-conductor and multi-conductor lines. Then the validation is performed for the models of micro-strip transmission line. Numerical results demonstrate that the proposed difference iteration method can solve the problem about the phase ambiguity and the extracted distributed parameters are accurate and efficient for a wide range of the frequencies of interest and line lengths.

关键词: two-conductor transmission line, multi-conductor transmission line, conventional method, difference iteration method, distributed parameters

Abstract:

The distributed parameters of the transmission lines have the significant impact to the signal propagation. In the conventional method of the distributed parameter extraction, the discontinuity of inverse trigonometric or hyperbolic can arise the problem about phase ambiguity which causes significant errors for transmission models. A difference iteration method (DIM) is proposed for extracting distributed parameters of high frequency transmission line structure in order to overcome the phase ambiguity in the conventional method. The formulations of the proposed method are first derived for two-conductor and multi-conductor lines. Then the validation is performed for the models of micro-strip transmission line. Numerical results demonstrate that the proposed difference iteration method can solve the problem about the phase ambiguity and the extracted distributed parameters are accurate and efficient for a wide range of the frequencies of interest and line lengths.

Key words:

two-conductor transmission line, multi-conductor transmission line, conventional method, difference iteration method, distributed parameters

中图分类号:

TM135

Li YANG guizhen Lu. Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method[J]. JOURNAL OF CHINA UNIVERSITIES OF POSTS AND TELECOM, 2018, 25(5): 93-100.

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Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method

Extraction of distributed parameters for multi-conductor transmission lines by the difference iteration method

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