Different polarized electromagnetic wave propagation characteristics in curved tunnel

CHENG Ling-fei; LI Fei-teng; LI Jun; YANG Meng

doi:10.13873/j.1000-9787(2018)11-0014-04

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Different polarized electromagnetic wave propagation characteristics in curved tunnel

更新时间：2025-09-11

- Different polarized electromagnetic wave propagation characteristics in curved tunnel
- Vol. 37, Issue 11, Pages: 14-17(2018)
- 作者机构：
  
  1. 河南理工大学物理与电子信息学院
  2. 河南理工大学电气工程与自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2018)11-0014-04
  CLC： O441
- Published：2018
- 稿件说明：
移动端阅览
[1]成凌飞,李飞腾,李俊,杨蒙.弯曲隧道不同极化电磁波传播特性[J].传感器与微系统,2018,37(11):14-17.

CHENG Ling-fei, LI Fei-teng, LI Jun, et al. Different polarized electromagnetic wave propagation characteristics in curved tunnel[J]. 2018, 37(11): 14-17.
[1]成凌飞,李飞腾,李俊,杨蒙.弯曲隧道不同极化电磁波传播特性[J].传感器与微系统,2018,37(11):14-17. DOI： 10.13873/j.1000-9787(2018)11-0014-04.

CHENG Ling-fei, LI Fei-teng, LI Jun, et al. Different polarized electromagnetic wave propagation characteristics in curved tunnel[J]. 2018, 37(11): 14-17. DOI： 10.13873/j.1000-9787(2018)11-0014-04.

摘要

基于矩形直巷道波模传输特性和弯曲隧道拐角射线路径分析

对矩形弯曲隧道中天线不同极化、不同发射频率对电磁波传播的影响进行理论分析

并通过实验验证得出结论:当隧道宽大于高时

水平极化电磁波受发射频率影响较大

频率较低时

水平极化优于垂直极化;频率增大

垂直极化优于水平极化;当发射频率大于某个数值时

极化方式影响的区别逐渐减弱。当宽小于高时

垂直极化优于水平极化

垂直极化电磁波更适合传播

对实际矩形弯曲隧道中

收发天线极化方式和发射频率的选择具有指导意义。

Abstract

Based on wave mode transmission characteristics in straight rectangular tunnel and corner ray path analysis in curved tunnel

influence of antenna different polarization mode under different transmission frequencies in rectangular curved tunnel on electromagnetic wave propagation characteristics is analyzed in theory

and the correctness of the theory is verified by experiment

the conclusion is drawn that when the width of tunnel is greater than its height

the transmitting frequency has a great influence on horizontal polarization electromagnetic wave

when transmitting frequency is low

horizontal polarization mode is better than vertical polarization mode; while transmission frequencis increasing

the vertical polarization mode is better than horizontal polarization mode; When the transmission frequency is greater than a certain value

the influence of different polarization modes are weakened gradually.When the width is less than the height

the vertical polarization mode is better than horizontal polarization mode

vertical polarization electromagnetic wave is more suitable for propagation.These have a guiding significance on choice of transmitting and receiving antenna polarization mode and transmission frequency in the actual rectangular curved tunnel.

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references

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