井下的环境监测和人员定位是矿井安全管理中最为重要的环节。
In security management in mine, underground environment monitor and person localization are the most important.
依据《煤矿安全规程》并结合井下监测监控的实际需求，本文设计实现了一种基于AT91SAM 7x256微控制器的煤矿智能分站控制系统。
According to the coal mine safety regulations and the practical requirement of mine surveillance, a control system of the mine intelligent substation based on AT91SAM7X256 is designed.
现有的矿井安全监测监控系统是灾前预警系统，监测对象主要是环境安全参数、生产过程及生产工艺，不能实现井下人员的定位。
However, these existing systems cannot get positions of miners, which is one of the reasons for the frequent mine disasters and the low rescuing efficiency.
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