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GEM‐2 A New Multifrequency Elect

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  • 2019-04-28
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标签: 传感器

传感器

该文档介绍了用于接地网拓扑结构检测仪器传感器相关知识。

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129 GEM2 A New Multifrequency Electromagnetic Sensor IJ Won Dean A Keiswetter George RA Fields and Lynn C Sutton Geophex Ltd ABSTRACT A new broadband electromagnetic sensor GEM2 has been tested at several environmental sites for subsurface investigation A handheld digital multifrequency sensor based on an earlier similar helicoptertowed sensor GEM2 operates in a frequency range of 90 Hz to 22 kHz and can transmit an arbitrary waveform containing multiple frequencies The unit is capable o......

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