With the development of electromagnetic applications in modern science and technology, electromagnetic wave surveying underground targets become an important area of application.
随着电磁波应用在现代科技中的飞速发展，电磁探测地下目标成为电磁波应用的一个重要领域。
To follow the moving targets (operational persons, mining equipment) in underground mining, an underground moving target tracking system based on power line carrier technology was developed.
为了获得矿山井下移动目标(作业人员、矿车设备等)的运行轨迹，设计了一种基于电力线载波技术的井下移动目标跟踪系统。
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