The VLF signals travel by waves that hug the ground rather than radiating into the atmosphere.

VLF信号通过紧贴地面而不是辐射到大气中的波来传输.

互联网

In 1978, we designed and made SH - 1 pquipment for receiving whistlers and VLF emissions.

1978年, 我们研制了哨声和VLF发射的SH-1型接受设备.

互联网

LIVAL VLF is sensitive to frost. Store protected against freezing.

对冰冻以下敏感, 保存时应采取冻结措施.

互联网

By analyzing transmission pathway and mode of VLF wave, calculation formula of intensity is given.

分析甚低频电磁波传播路径与方式, 给出场强的计算公式.

互联网

This paper briefly discusses very low frequency ( VLF ) electromagnetic technique and takes Shancheng gold mine for example.

简要叙述了 甚低频 电磁法的方法技术,并以山城金矿为例.

互联网