A multimodal approach to the analysis of the attenuation properties of MF communication systems in mine tunnels

J.A. Brandão Faria

Journal of Electromagnetic Waves and Applications, 2014, vol. 28, issue 13, 1581-1595

Abstract: Low-attenuation medium-frequency communications are still utilized in mine tunnels as useful backup systems. Previous research on the topic has addressed the evaluation and measurement of the wave propagation parameters of these communication structures considering the presence of a single conductor inside the tunnel. In this work, the presence of multiple conductors is considered and a multimodal approach is developed to determine the expected attenuation as a function of the distance and frequency. The examples provided in the paper concern a three-conductor structure, consisting of one power cable and two rail tracks, where three basic modes propagate. Simulation results show that the expected attenuation depends on the set of initial currents injected into the conductors and that, in the case of randomly injected currents, the expected attenuation constant decreases with distance, tending to the attenuation constant of the least attenuated mode.

Date: 2014
References: Add references at CitEc
Citations:

Downloads: (external link)
http://hdl.handle.net/10.1080/09205071.2014.932261 (text/html)
Access to full text is restricted to subscribers.

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:taf:tewaxx:v:28:y:2014:i:13:p:1581-1595

Ordering information: This journal article can be ordered from
http://www.tandfonline.com/pricing/journal/tewa20

DOI: 10.1080/09205071.2014.932261

Access Statistics for this article

Journal of Electromagnetic Waves and Applications is currently edited by Mohamad Abou El-Nasr and Pankaj Kumar Choudhury

More articles in Journal of Electromagnetic Waves and Applications from Taylor & Francis Journals
Bibliographic data for series maintained by Chris Longhurst ().