一、研究背景每一次地震及各种煤矿事故带给遇难者家庭的都是毁灭性的灾难!我们发现,当事故发生时,矿工间第一时间的自救与搜救往往能起到关键性的作用。矿工之间如能及时现场救援,就可以避免很多伤亡,而现场救援最大的难题是确定受困人员及位置。目前市场上成型的生命探测仪,进口的要10万多元,国产的也在几万元不 First, the research background Each earthquake and all kinds of coal mine accidents bring disaster families are devastating! We found that when the accident occurred, the first time between miners self-help and search and rescue can often play a key role . If the miners can timely rescue on-site, you can avoid a lot of casualties, and rescue the biggest problem is to identify the trapped staff and location. The current life of the detector on the market, imported to more than 100,000 yuan, the domestic is also tens of thousands of dollars