electromagnetic_method_instrument

1.The very low frequency electromagnetic method (VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency.
甚低频电磁法(VLF - EM)，具有仪器轻便、方法简单、经济高效等优点。
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2.In transient electromagnetic method (TEM) the real time detection of early signal requires the instrument to be fast time response, so a higher requirement is presented for the design of instrument.
瞬变电磁法实时检测早期信号要求瞬变电磁仪具有很快的时间响应，这就需对仪器设计提出很高的要求。
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3.EH-4 continuous conductivity imaging system is a new generation digitalized electromagnetic-method instrument.
EH - 4连续电导率成像系统是新一代数字化的电磁法仪器。
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