VLF

Study on the Correlation between the Solar X-ray Burst and the VLF Phase Anomaly

太阳X射线爆发与甚低频传播相位异常关系的研究

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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.

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A 0.1 Hz VLF high voltage system is developed through the coorperation of Harbin University of Science and Technology and Harbin Power Administration.

介绍了哈尔滨理工大学和哈尔滨电业局合作研制的0.1Hz超低频高压试验系统。

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Abstract: The VLF Through-the-Earth Communication system is recognized as the most reliable way of conveying dispatching information due to its special transmission media.

文摘：由于大地信道稳定，低频透地通信被认为是最可靠的救急通信方式。

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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.

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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.

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And VLF is maybe mediated by rennin-angiotensin system.

VLF可能与肾素血管紧张素系统（RAS）有关。

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KEYWORDS: GIMS, ion source, anode layer, sputtering, TiN, ion plating, medium frequency, pulsed DC. Influences of solar flare bursts and partical precipitation on the lower ionosphere have been observed by means of VLF propagation effects at Zhongshan Station in Antarctica.

中文关键词：气离溅射、子源、极层流、射、化钛、子镀膜、频、冲直流。在南极中山站利用甚低频传播手段观测太阳耀斑爆发及极区粒子沉降对低电离层的影响。

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Characteristics of anomalous subsurface vertical electric changes in VLF and ULF bands

地下垂直电场在VLF和ULF频段内的异常变化特征

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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.

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In this paper, based on correlative analysis between observed SPA events for VLF signals and the flux density of solar X-ray bursts, a quantitative relation between the flux of the solar X-ray bursts and height variations of the ionosphere at the time of SPA events is found.

本文通过实测的VLF信号的SPA事件的数据和太阳X射线爆发通量密度之间的相关分析，建立了它们之间的数值关系。

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Applied research of convolutional code and turbo code in VLF communication system

卷积码和Turb0码在甚低频通信系统中的应用研究

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Correlative analysis between sudden phase anomalies of VLF signals and solar X-ray events

VLF相位突然异常与太阳X射线事件相关性的分析

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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.

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Application of Boundary Checking with RaA Radon, VLF Survey in Deformation and Fracture Mass of Reservoir Right Shore to an Electricity Station Dam

RaA氡气、甚低频测试在复核某电站库首变形体边界中的应用

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The effect of geomagnetic storm on VLF emission at cleft latitudes

日侧极隙纬度VLF波的磁暴效应

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In this Paper, the VLF SPA observation and the solar X-ray burst events for the duration of 1982, 10-1983,5 are compared analysed.

本文分析了1982年10月1983年5月期间YLF的SPA事件的数据和太阳x射线爆发资料。

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Research of the Electric Effect for iron tower on VLF T-type Antenna

铁塔对T形面型天线电气性能影响的研究

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