RADIO-COMMUNICATION IN TUNNELS

被引：54

作者：

CHIBA, J

INABA, T

KUWAMOTO, Y

BANNO, O

SATO, R

机构：

[1] YAGI ANTENNA CO LTD,OMIYA WORKS,OMIYA,JAPAN

[2] HITACHI LTD,TOTSUKA WORKS,TOTSUKA,JAPAN

[3] HITACHI DENSHI LTD,KOGANEI WORKS,KOGANEI,JAPAN

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1978年 / 26卷 / 06期

关键词：

D O I：

10.1109/TMTT.1978.1129409

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The attenuation constant of radio waves in tunnels was obtained experlmentally and theoretically. According to this study, the tunnel is a transmission channel of high-pass type. It is found that the higher the frequency, the small the attenuation constant. The experimental values of attenuation constants are similar to the theoretical values of the TEoi and EH11 modes when the tunnel is regarded as a circular waveguide with the same cross-sectional area as the tunnel. Radio communication using the tunnel was proven to be fully possible in spite of the standing wave effects due to the interference of the propagation modes. Copyright © 1978 by The Institute of Electrical and Electronics Engineers, Inc.

引用

页码：439 / 443

页数：5

共 14 条

[1]

CHIBA J, 1957, THESIS TOHOKU U JAPA, P32

[2] THEORY AND EXPERIMENT OF A MOBILE RADIO-COMMUNICATION IN TUNNELS BY MEANS OF A LEAKY BRAIDED COAXIAL CABLE [J].