| 基于超导量子干涉仪的便携式透地通信系统研究 |
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| 引用本文： | 金广锋,张占哲,张庆辉,邱丽莉.基于超导量子干涉仪的便携式透地通信系统研究[J].矿业研究与开发,2011(5):74-77. |
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| 作者姓名： | 金广锋 张占哲 张庆辉 邱丽莉 |
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| 作者单位： | 河南工业大学;华北水利水电学院;郑州科技学院; |
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| 基金项目： | “十一五”国家科技支撑计划项目(2008BADA8B04) |
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| 摘 要： | 矿井透地通信被认为是矿井灾害时最可靠、最灵活的通信手段,而SQUID在实现矿井透地通信方面具有优越性。根据SQUID的应用特点,研究和设计了基于SQUID的便携式透地语音通信系统;分析了低频信号矿井环境下的透地传播理论,建立了系统磁通密度和信号幅度与渗透深度间的关系,最后进行了仿真实验,仿真表明系统选用4 kHz中心频率调制的正弦波、用QAM16作为编码协议、以2000 bit/s的速率传送,在65 m深处得到的磁场功率谱散布不大,证明了系统的可行性。
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| 关 键 词： | SQUID 便携式 透地语音通信系统 仿真实验 |
Research on the Portable Through-the-Earth Communication System Based on SQUID |
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| JIN Guangfeng,ZHANG Zhanzhe,ZHANG Qinghui,QIU Lili.Research on the Portable Through-the-Earth Communication System Based on SQUID[J].Mining Research and Development,2011(5):74-77. |
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| Authors: | JIN Guangfeng ZHANG Zhanzhe ZHANG Qinghui QIU Lili |
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| Affiliation: | JIN Guangfeng1,ZHANG Zhanzhe2,ZHANG Qinghui1,QIU Lili3(1.Henan University of Technology,Zhengzhou,Henan 450001,China,2.North China University of Water Resources and Electric Power,Henan 450011,3.Zhengzhou University for science & Technology,Henan 450000,China) |
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| Abstract: | A through-the-earth communication system is considered as the most reliable and flexible means when the disasters happen in mine.According to the application characteristics of SQUID,the portable through-the-earth voice communication system based on SQUID was researched and designed.The through-the-earth propagation theory of low frequency signal in mine was analyzed,and the relationship between magnetic flux density and penetration depth was established.Finally,it was proved by simulation experiment that t... |
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| Keywords: | SQUID Portable Through-the-earth voice communication system Simulation experiment |
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