One is the method of distinguishing magnetizing inrush current based on the ratio of voltage and fluxional differential current and the other one is the method based on attenuation of fundamental wave .

第一种是基于 电压与电流微分比值原理的励磁涌流鉴别方法，第二种是基于基波分量 衰减的励磁涌流鉴别方法。

The noise and high frequency signal attenuation on the actual low voltage distribution networks are measured in this paper by analysis of the result the noises distribution and the attenuation characteristics are studied .

通过对 低压配电网噪声和衰减的实际测量结果分析，研究了 低压配电网的噪声分布和高频信号 衰减特性。

The fuctions of impedance matching over voltage protection AC / DC coupling and amplification / attenuation in the analog circuit are designed to enhance the reliability and testing precision of the module .

设计了具有阻抗匹配、过 电压保护、AC/DC耦合、放大/ 衰减功能的前端信号处理电路，提高了模块的可靠性和总体测试精度。

The relationship between X-ray energy and ray attenuation coefficient is . analysed in order to find out roughly the quantitative relation between the tube voltage of X-ray machine and ray attenuation coefficient .

分析了射线能量与射线衰减系数的关系，试图找出管 电压与射线 衰减系数间的粗略定量关系。

Voltage divider is the equipment used to measure which is changed the high voltage to a low-voltage in accordance with a certain ratio of the measured attenuation resistance-capacitance-type voltage divider is mainly used for transient voltage measurements .

分压器是把被测高电压按照一定比率 衰减为低 电压的一种测量设备，阻容式分压器主要用来进行瞬态电压的测量。

The emergence of the negative voltage is likely to lead to the attenuation of the performance of the catalyst the degradation and breakdown of the proton exchange membrane phenomena such as thus greatly reduce fuel the life of the cell .

负压的出现很可能会导致催化剂性能的 衰减、质子交换膜的降解和损坏等现象从而极大地降低燃料电池的使用寿命。

Overall prototype test qualified the system can meet the experiment requirements the attenuator is applicable to the high voltage nanosecond electromagnetic pulse attenuation .

总体来说，样机试制合格，整套系统能够满足实验要求，适用于 高压纳秒电磁脉冲的 衰减。

The laws of pulse voltage distortion pulse energy transmission and attenuation along discharge wire have been investigated .

实验研究了脉冲 电压沿放电线变形及脉冲能量沿放电线传输、 衰减的规律。

Low voltage power line is a time-varying system of complex network structure whose hostile channel properties such as very low impedance instability channel frequency strong noise pollution attenuation and time-variance must be considered .

低压电力线是网络结构复杂的时变系统，其信道表现出阻抗变化大、信道频率特性不稳定、 信号所受干扰强和时变性大等特点。

Based on the structure of the lower voltage distribution networks in our country the broadband noise the attenuation characteristics the high frequency channel model and the channel capacity are intensively studied in this paper .

本论文针对我国 低压配电网的实际结构，对低压 配电网噪声特性、 衰减特性、高频信道模型以及信道容量进行了较深入的研究。