Analysis of the axial dipole antenna propagation characteristics in rectangular tunnel

Author

Sun Ji-ping ; Gao Mei-feng

Author_Institution

State Key Lab. of Coal Resources & Safe Min., China Univ. of Min. & Technol. (Beijing), Beijing, China

Volume

4

fYear

2011

fDate

10-12 June 2011

Firstpage

138

Lastpage

141

Abstract

Using dyadic green´s function and the antenna surface boundary conditions, the integral equation of the antenna in a rectangular coal mine tunnel is established. The radiation modes of the line antenna are analyzed, and the unitary transmission powers distributing of electromagnetic wave transmission mode and the maximum transmission power mode are given. The results show that the electromagnetic wave is TM mode and propagates in multimode while the antenna is located along axial in rectangular tunnel. When the antenna moves along horizontal or frequency is changed, main transmission power modes are distributed in an arc, and the maximum power model index changes a little.

Keywords

Green´s function methods; dipole antennas; electromagnetic wave transmission; integral equations; mining; radiowave propagation; antenna surface boundary conditions; axial dipole antenna propagation; dyadic Green´s function; electromagnetic wave transmission mode; integral equation; maximum power model index; radiation modes; rectangular coal mine tunnel; unitary transmission powers; Antenna feeds; Dipole antennas; Directive antennas; Indexes; Manganese; Transmitting antennas; propagation characteristics; rectangular tunnel; transmission power;

fLanguage

English

Publisher

ieee

Conference_Titel

Computer Science and Automation Engineering (CSAE), 2011 IEEE International Conference on

Conference_Location

Shanghai

Print_ISBN

978-1-4244-8727-1

Type

conf

DOI

10.1109/CSAE.2011.5952819

Filename

5952819