Author:
Kudinov D S,Maikov O A,Kokhonkova E A,Potylitsyn V S
Abstract
Abstract
The article presents the scientific and methodological approaches to the principles of construction and justification of the characteristics of a new sample of the SDV radio channel in underground mines to assess the required sensitivity of the receiving equipment and the maximum range of the channel. Based on the estimates obtained, as well as using radio engineering methods for calculating communication systems, the principles of noise reduction are formulated, coding and modulation systems are selected and justified. Mathematical modeling of noise reduction processes was carried out and algorithms and programs for the receiving and transmitting paths of a wireless data transmission system through rocks were developed. The paper presents the results of field observations of noise recorded in a working mine for the extraction of non-ferrous metals.
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