文章详细信息 关键词： 甚低频;;低频;;定位 [gap=428]Keywords: very low frequency(VLF);low frequency(LF);positioning
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...Hz,≤1.1µF控制器：5㎏ 升压体：45㎏35kV电缆、发电机交流耐压试验 VLF是英文超低频（very low frequency）的缩写，VLF用于对高容性负载进行试验，特别是电缆试验，通常在现场串联谐振交流系统并不实用，因为尽管串联谐振交流设备比工频高...
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very large scale integration (VLSI) 超大规模集成电路 very low frequency (VLF) 特低频 very-high bit rate digital subscriber line (VDSL) 甚高位率数字用户线路 ..
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very low frequency antenna [电讯] 甚低频天线
very low frequency electromagnetical receiver [地物] 甚低频电磁仪
very low frequency receiver 甚低频接收机
very low frequency emission 甚低频发射
very low frequency radiation 甚低频辐射
very-low frequency band 甚低频频带
very low frequency method 甚低频法
very-low-frequency positioning system 甚低频定位系统
vlf very low frequency 甚低频 ; 超低频
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N a radio-frequency band or radio frequency lying between 3 and 30 kilohertz 甚低频 ( abbr: VLF)
In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system.
在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
This paper briefly discusses the 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。
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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