Design of underground voice transmission system by visible light
Based on low communication rate requirement of underground visible light communication, an underground voice transmission system by visible light between mobile caplamp and hydraulic ram LED base station was designed by use of pulse code modulation mode. In the system, voice signal is coded by TP30...
Main Authors: | , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Industry and Mine Automation
2016-08-01
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Series: | Gong-kuang zidonghua |
Subjects: | |
Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.08.005 |