1.
Design of High Power and Ultra-low Frequency Signal Source in Cased Hole Resitivity Logging
过套管电阻率测井大功率超低频信号源设计研究
2.
APPLICATION OF ZOOM FFT TECHNIQUE TO DETECTING EM SIGNAL OF SLF/ELF
频率细化技术在超低频/极低频电磁信号检测中的应用
3.
Study of Ultra-Low Frequency Electromagnetic Wave Exploration to Deep Geological Information
深部地质信息的超低频电磁探测研究
4.
Calculation and Analysis for Electromagnetic Compatibility of Ultra-low Frequency Transmitting System
超低频发信系统电磁兼容性计算与分析
5.
Filtering of Ultra-Low Electromagnetic Detection Signal Using Independent Component Analysis
基于独立成分分析的超低频电磁探测信号滤波
6.
A Research on the Technology of ULF Transmimting Antenna and Equal-directional Power Radiant
超低频发信天线及其全向等功率辐射技术
7.
Ultra-low voltage ultra-low power NMOS bulk-biased mixer
一种超低压超低耗NMOS衬底偏置混频器
8.
Study and Implement of Dedicated System for Detecting ULF Absolute Vibratory Signal;
一种超低频绝对振动信号检测系统的研究与实现
9.
The source and characteristics of extremely low frequency noise affecting communications around the submarine
潜艇周围影响超低频通信的电磁噪声来源及特征分析
10.
Frequency Response to Super-weight Low-pitcked Circuit in Frequency Supplement;
频率补偿式超重低音电路的频率响应
11.
The frequency effect of a low-MHz bi-beam ultrasonic irradiation;
低频双束超声辐照的频率效应(英文)
12.
photoaudio generator
低频光电信号发生器
13.
low frequency radio-range
低频无线电导航信标
14.
lowmedium frequency radio range
低中频无线电导航信标
15.
high precision LF signal generator
高精度低频信号发生器
16.
LOR (Low-frequency Omnidirectional Radio Range)
低频全向无线电信标
17.
four-course low-frequency radio range
四航道低频无线电信标
18.
paired high and low frequency telecommunication cable
对称型高低频电信电缆