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 caplamp and hydraulic ram LED base station was designed by use of pulse code modulation mode. In the system, voice signal is coded by TP30...

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Bibliographic Details
Main Authors: ZHANG Shen, ZHANG Zhen
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2016-08-01
Series:Gong-kuang zidonghua
Subjects:
Online Access:http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.08.005