1) acoustical frequency electric
声频大地电场仪
2) audiomagnetotelluric method
声频大地电磁法
3) audio geoeletric field method
音频大地电场法
1.
In this paper,the induced polarization method and audio geoeletric field method are introduced from the aspect of the method,work principle and data interpreation,and applied in groundwater prospecting in granite region,satisfactory effect is obtained.
该文介绍了激发极化法与音频大地电场法组合,从方法技术、工作原理以及资料解释等方面进行了探讨,并在花岗岩地区进行了地下水勘查应用,取得了令人满意的效果。
4) Geoelectrical observation apparatus
地电场仪
5) maximum power frequency electric field gradient on ground
地面最大工频电场强度
1.
The relation between geometric parameters of bundle conductor for UHVAC transmission line and the maximum power frequency electric field gradient on ground as well as the characteristic of the maximum power frequency electric field gradient on ground are studied; and the minimum heights of conductors above the ground and the widths of corridors for two basic conductor arrangements are given.
研究特高压输电线路几何参数与地面最大工频电场强度的关系和地面最大工频电场强度的特点,给出2种基本分裂导线排列方式的导线最小对地高度和走廊宽度。
6) atmospheric electric field mill
大气电场仪
1.
The new design is based on the traditional theory of phase sensitive detector,and combined with the structural characteristics of the atmospheric electric field mill probe.
针对大气电场探测中电场极性的鉴别问题,基于传统相敏检波理论,结合大气电场仪探头的结构特点,设计了一种由光电开关、四通道模拟开关和运放构成的相敏检波器。
补充资料：音频
指20～20000赫范围内的频率。常人能反应的高频端约在14000赫以下，只有少数人能达到20000赫。高级音响设备及光盘等载体要求有上述频率响应。300赫至3000赫的频率范围称“话频”，在电话传输中常用这一频段。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条