The characteristic impedance calculation method of microstrip line and application in embroidered microstrip line

被引：1

作者：

Zhang, Yaya ^{[1
]}

Jin, Haiming ^{[1
]}

Tu, Huating ^{[2
]}

Zuo, Yuxin ^{[1
,3
]}

Luo, Qiulan ^{[1
]}

Li, Ping ^{[1
]}

Chen, Zihan ^{[1
]}

Jia, Jingjing ^{[1
]}

Zhang, Linmei ^{[1
]}

机构：

[1] Jiaxing Nanhu Univ, Coll Fash Design, Jiaxing, Zhejiang, Peoples R China

[2] Shanghai Univ Med & Hlth Sci, Med Instrumentat Coll, Shanghai, Peoples R China

[3] Jiaxing Nanhu Univ, Coll Fash Design, 572 South Yuexiu, Jiaxing City 314001, Zhejiang, Peoples R China

来源：

JOURNAL OF INDUSTRIAL TEXTILES | 2023年 / 53卷

关键词：

Embroidered microstrip line; characteristic impedance; return loss; substrate;

D O I：

10.1177/15280837231188525

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

Presently, it is difficult to measure the characteristic impedance of embroidered microstrip line for its conductive anisotropy directly. The published work had proposed to use S-parameters to estimate the port impedance of a balanced dipole antenna, and it cannot be used to calculate the characteristic impedance of microstrip lines with one arm. Thus, it is still a problem on measuring and obtaining 50 ? characteristic impedance of embroidered microstrip line. Therefore, taking the reflection coefficient as an intermediate variable, this work proposes to use return loss S11 to derive the expression of the characteristic impedance of microstrip line. Combined theoretical calculation with experimental testing on characteristic impedance of the fabric-based microstrip line, the expression of the characteristic impedance was verified. Then, the expression of the characteristic impedance of microstrip line was used to calculate the characteristic impedance of embroidered microstrip line and determine its equivalent substrates. The results show that the fabric embroidered with a single-layer conductive strip is a part of its equivalent substrate, and the fabric embroidered with a double-layer conductive strip is not a part of its equivalent substrate.

引用

页数：16

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